Kowa System
It has never been easier to use your spotting scope, no matter what you need it for.

Unlocking Versatility

The Kowa System for TSN-99/88/66 PROMINAR Spotting Scopes


The Kowa System revolutionizes your spotting scope experience, transforming the Kowa TSN-99, TSN-88, and TSN-66 PROMINAR models into versatile optical powerhouses. This comprehensive system seamlessly integrates accessories like extenders, eyepieces, digiscoping adapters, and astronomy adapters, expanding the scope's functionalities for a myriad of applications.

Pure Fluorite Crystal Optics


At the heart of the Kowa System lies the exceptional optics of TSN-99/88/66 PROMINAR spotting scopes, crafted with pure fluorite crystal lenses. This advanced technology eliminates chromatic aberration, delivering unparalleled clarity, resolution, and contrast. The pure fluorite crystal optics lay the foundation for the Kowa System's excellence across various applications.

Eyepieces for Precision Viewing


Tailor your viewing experience with specially designed eyepieces within the Kowa System. Offering a range of magnifications, these eyepieces enhance clarity and detail, allowing you to adapt your spotting scope for different scenarios, from birdwatching to stargazing.

Extend Your Reach


The Kowa System offers a 1.6x extender that amplifies the magnification capabilities of your spotting scope. Whether observing distant wildlife, celestial bodies, or intricate details, the extender provides a telescopic boost, ensuring every moment is within your reach.

Explore the Cosmos with Astronomy Adapters


For astronomy enthusiasts, the Kowa System offers adapters designed to enhance your celestial exploration. Connect your spotting scope to your favourite astronomical eyepieces, unlocking a gateway to the wonders of the night sky. The pure fluorite crystal optics guarantee superb clarity, revealing the beauty of distant stars and planets. The compact body of the spotting scope make it the perfect travel telescope so you can visit those dark sky locations.

Capture the Moment with Digiscoping Adapters


Elevate your photography game with digiscoping adapters. The Kowa System provides seamless integration for connecting DSLRs, compact systems, and smartphone models to your spotting scope. The pure fluorite crystal optics ensure exceptional light transmission, minimal chromatic aberration, and razor-sharp images, making digiscoping a joyous experience.

Kowa System compatible scopes

Kowa TSN-99A PROMINAR 30-70x angled Zoom Kit
Kowa TSN-99A PROMINAR 30-70x Zoom Kit Kowa TSN-99A PROMINAR angled spotting scope body TE-11WZ II 30-70x wide zoom eyepiece BRIGHT, WIDE, CRYSTAL CLEARFor those who arrive early and leave late. LARGE 99mm OBJECTIVE LENSA large 99mm pure fluorite crystal objective lens paired with a Kowa XD concave lens produces superior lowlight performance and exquisite detail. This special combination combined with improved optical coatings virtually eliminates chromatic aberration even at high magnification. DUAL FOCUS - PIN POINT CONTROLThe dual focus mechanism is the gateway to controlling the image between your eye and the scope. exquisite engineering is refined to make operation flawless. Quick focus allows for fast action to bring your subject in to detail in just a few smooth revolutions, whilst Fine focus gives pin-point, finger-tip control offering the ultimate in focussing accuracy. TOUGH, LIGHTWEIGHT & PORTABLEUtilizing a100% magnesium alloy structure, the TSN-99 PROMINAR series spotting scope is one of the most compact and lightweight in its class of large objective spotting scopes making it more portable than many other models. A fully waterproof and nitrogen sealed shell plus Kowa KR coating on the optics makes the scope reassuringly rugged. DESIGNED TO DIGISCOPEThe TSN-99 PROMINAR is 100% compatible with our KOWA SYSTEM accessory range giving you access to Interchangeable eyepieces,accessories and digiscoping adapters for DSLR cameras and smartphones - creating a truly flexible optical tool for many applications.

€4,198.00
Kowa TSN-99S PROMINAR 30-70x straight Zoom Kit
Kowa TSN-99S PROMINAR 30-70x Zoom Kit Kowa TSN-99S PROMINAR straight spotting scope body TE-11WZ II 30-70x wide zoom eyepeice BRIGHT, WIDE, CRYSTAL CLEARFor those who arrive early and leave late. LARGE 99mm OBJECTIVE LENSA large 99mm pure fluorite crystal objective lens paired with a Kowa XD concave lens produces superior lowlight performance and exquisite detail. This special combination combined with improved optical coatings virtually eliminates chromatic aberration even at high magnification. DUAL FOCUS - PIN POINT CONTROLThe dual focus mechanism is the gateway to controlling the image between your eye and the scope. Exquisite engineering is refined to make operation flawless. Quick focus allows for fast action to bring your subject in to detail in just a few smooth revolutions, whilst Fine focus gives pin-point, finger-tip control offering the ultimate in focussing accuracy. TOUGH, LIGHTWEIGHT & PORTABLEUtilizing a100% magnesium alloy structure, the TSN-99 PROMINAR series spotting scope is one of the most compact and lightweight in its class of large objective spotting scopes making it more portable than many other models. A fully waterproof and nitrogen sealed shell plus Kowa KR coating on the optics makes the scope reassuringly rugged. DESIGNED TO DIGISCOPEThe TSN-99 PROMINAR is 100% compatible with our KOWA SYSTEM accessory range giving you access to Interchangeable eyepieces,accessories and digiscoping adapters for DSLR cameras and smartphones - creating a truly flexible optical tool for many applications.

€4,198.00
Kowa TSN-88A PROMINAR 25-60x angled Zoom Kit
Kowa TSN-88A PROMINAR 25-60x Zoom Kit Kowa TSN-88A PROMINAR angled spotting scope body TE-11WZ II 25-60x wide zoom eyepiece COLOUR, THE WAY NATURE INTENDED.When crafting the new TSN-88 PROMINAR series, Kowa went back to its routes in optical design. Routes which have made it one of the most popular spotting scope manufacturers in the world.To enhance a basic fundamental feature that PROMINAR users enjoy every time they look through their eyepiece - Natural Colour.Kowa has always prided itself on manufacturing optics that deliver a pure rendition of the view in front of the lens. Allowing you, the observer to explore and enjoy every detail of the subject.An image free of negative optical distractions allowing you to immerse yourself into the scene in front of you. PURE FLUORITE CRYSTAL OBJECTIVEThe new TSN-88 PROMINAR features an 88mm pure fluorite crystal objective lens - the true optical powerhouse at the heart of all PROMINAR flagship optics. This unique lens redefines the standards of colour brilliance and eliminates chromatic aberration for one of the most detailed views of the natural world. HIGHER TRANSMISSIONKowa engineers have improved the unique optical coatings applied not only to the lenses but also the prism in the new TSN-88 PROMINAR spotting scope series. The result is a spotting scope that delivers even higher levels of light wavelength transmission than its predecessor and most important of all, across the entire colour spectrum for the most natural colour of nature. TOUGH, LIGHTWEIGHT & PORTABLEThe TSN-88 PROMINAR now benefits from a 100% magnesium alloy structure, making it not only tougher but also lighter than its predecessor. A fully waterproof and nitrogen sealed shell plus an upgrade of Kowa KR coating applied to the objective lens which repels dirt, moisture and dust from building on the surface, makes the scope reassuringly rugged. DUAL FOCUS PIN POINT CONTROLThe dual focus mechanism is the gateway to controlling the image between your eye and the scope. Exquisite engineering is refined to make operation flawless. Quick focus allows for fast action to bring your subject in to detail in just a few smooth revolutions, whilst Fine focus gives pin-point, finger-tip control offering the ultimate in focussing accuracy. LOOKS AREN’T EVERYTHING, BUT…The TSN-88 PROMINAR adopts the new ergonomic curves and form created for the recent TSN-99 PROMINAR scope series. Th ere is no mistaking this spotting scope is PROMINAR. Classic green with new and improved elegant styling and a comfortable shape designed to give the user the best experience and operation out in the field. STILL THE KING OF DIGISCOPINGThe TSN-88 PROMINAR retains its crown in the world of digiscoping, offering the photo enthusiast ultra long range telephoto photography options not possible in conventional photography. The improved coatings further enhance digiscoping performance even at the highest levels of magnification producing images that were once only achievable with high end DSLR systems. Kowa has an enviable line-up of dedicated and universal smartphone adapters to allow simple connection of most smartphone models to the TSN-88 PROMINAR, take highly magnified and detailed images and videos with your smartphone of the natural world. DUAL TRIPOD MOUNTA new dual tripod mounting system prevents the scope from slipping or rotating on the tripod shoe ensuring extra stability for long periods of use. A game changer for ultimate convenience and handling out in the field. AIMING SITEThe spotting scope includes a new detachable aiming site that can be fixed on to the accessory collar to assist in locating your subject more rapidly. The lens hood also features a newly designed built in aiming site as a further visual aid.

€3,698.00
Kowa TSN-88S PROMINAR 25-60x straight Zoom Kit
Kowa TSN-88S PROMINAR 25-60x Zoom Kit Kowa TSN-88S PROMINAR straight spotting scope body TE-11WZ II 25-60x wide zoom eyepiece COLOUR, THE WAY NATURE INTENDED.When crafting the new TSN-88 PROMINAR series, Kowa went back to its routes in optical design. Routes which have made it one of the most popular spotting scope manufacturers in the world.To enhance a basic fundamental feature that PROMINAR users enjoy every time they look through their eyepiece - Natural Colour.Kowa has always prided itself on manufacturing optics that deliver a pure rendition of the view in front of the lens. Allowing you, the observer to explore and enjoy every detail of the subject.An image free of negative optical distractions allowing you to immerse yourself into the scene in front of you. PURE FLUORITE CRYSTAL OBJECTIVEThe new TSN-88 PROMINAR features an 88mm pure fluorite crystal objective lens - the true optical powerhouse at the heart of all PROMINAR flagship optics. This unique lens redefines the standards of colour brilliance and eliminates chromatic aberration for one of the most detailed views of the natural world. HIGHER TRANSMISSIONKowa engineers have improved the unique optical coatings applied not only to the lenses but also the prism in the new TSN-88 PROMINAR spotting scope series. The result is a spotting scope that delivers even higher levels of light wavelength transmission than its predecessor and most important of all, across the entire colour spectrum for the most natural colour of nature. TOUGH, LIGHTWEIGHT & PORTABLEThe TSN-88 PROMINAR now benefits from a 100% magnesium alloy structure, making it not only tougher but also lighter than its predecessor. A fully waterproof and nitrogen sealed shell plus an upgrade of Kowa KR coating applied to the objective lens which repels dirt, moisture and dust from building on the surface, makes the scope reassuringly rugged. DUAL FOCUS PIN POINT CONTROLThe dual focus mechanism is the gateway to controlling the image between your eye and the scope. Exquisite engineering is refined to make operation flawless. Quick focus allows for fast action to bring your subject in to detail in just a few smooth revolutions, whilst Fine focus gives pin-point, finger-tip control offering the ultimate in focussing accuracy. LOOKS AREN’T EVERYTHING, BUT…The TSN-88 PROMINAR adopts the new ergonomic curves and form created for the recent TSN-99 PROMINAR scope series. Th ere is no mistaking this spotting scope is PROMINAR. Classic green with new and improved elegant styling and a comfortable shape designed to give the user the best experience and operation out in the field. STILL THE KING OF DIGISCOPINGThe TSN-88 PROMINAR retains its crown in the world of digiscoping, offering the photo enthusiast ultra long range telephoto photography options not possible in conventional photography. The improved coatings further enhance digiscoping performance even at the highest levels of magnification producing images that were once only achievable with high end DSLR systems. Kowa has an enviable line-up of dedicated and universal smartphone adapters to allow simple connection of most smartphone models to the TSN-88 PROMINAR, take highly magnified and detailed images and videos with your smartphone of the natural world. DUAL TRIPOD MOUNTA new dual tripod mounting system prevents the scope from slipping or rotating on the tripod shoe ensuring extra stability for long periods of use. A game changer for ultimate convenience and handling out in the field. AIMING SITEThe spotting scope includes a new detachable aiming site that can be fixed on to the accessory collar to assist in locating your subject more rapidly. The lens hood also features a newly designed built in aiming site as a further visual aid.

€3,698.00
Kowa TSN-66A PROMINAR 25-60x angled Zoom Kit
TSN-66 PROMINAR66mm PURE FLUORITE CRYSTAL SPOTTING SCOPEThe TSN-66 PROMINAR is the newest member of Kowa’s PROMINAR family of spotting scopes, boasting exceptional pure fluorite crystal optics that have earned Kowa global acclaim.With a compact and lightweight body and 66mm objective lens, the TSN-66 PROMINAR is the ideal tool for those who want to travel light, without compromising on image quality when they arrive at their favourite location.Expanding the PROMINAR pure fluorite crystal family.Proudly made in Japan, this spotting scope joins a line-up of world-renowned precision optics featuring unique optical coatings and pure fluorite crystal technology. The PROMINAR range has set the standard for optical quality and performance, delivering outstanding image clarity and resolution. The TSN-66 PROMINAR upholds this tradition, and now offers nature enthusiasts the opportunity to experience the precision and clarity of a PROMINAR spotting scope in a more compact and lightweight form.Experience the truth and beauty of natural colour.Kowa has always been dedicated to delivering optical products that offer a true-to-life representation of the natural world. For nature enthusiasts and bird watchers, Kowa optics provide an unrivalled viewing experience. With Kowa’s commitment to the highest quality standards and utilising pure fluorite crystal lenses, the products deliver a pure rendition of the view in front of the lens, allowing users to explore and enjoy every detail of the subject.Lightweight yet tough: Portable perfection.Strong, light and built to last. The 100% magnesium alloy body not only provides robustness but also ensures a lightweight design. With a fully sealed outer body, this spotting scope is 100% waterproof and nitrogen-filled, making it impervious to the elements. Experience the perfect balance of strength and weight with the TSN-66 PROMINAR, built to last a lifetime. The scope is offered in both Angled (A) and Straight (S) configurations.Precision Dual FocusWith meticulous attention to detail, this scope delivers exceptional performance and intuitive operation. Our flagship spotting scopes are defined by their dual focus system, and the TSN-66 PROMINAR is no exception. This highly engineered feature provides ultimate control, ensuring flawless and precise operation. With quick focus, you can bring your subject into detail in just a few smooth revolutions. Meanwhile, fine focus provides pin-point fingertip control, delivering the ultimate in focusing accuracy. Whether you’re a seasoned pro or a novice, the TSN-66 PROMINAR’s dual focus system offers flawless operation out in the field.Kowa System compatibleCross compatibility is a fundamental feature of all our PROMINAR spotting scopes, including the TSN-66 PROMINAR. With the 100% compatible accessory collar and bayonet mount, you have access to a wide range of interchangeable eyepieces and accessories, making this scope a truly flexible and compact optical tool that can be used for many applications.The most compact and effective digiscoping option out there!The TSN-66 PROMINAR series scopes are highly effective digiscoping tools due to their pure fluorite crystal lens, which provides unparalleled image clarity and brightness. Combine this outstanding optical performance with their lightweight and compact bodies and experience the ultimate travel companion for wildlife photographers on the go.NOW, THERE REALLY IS A BEST OF BOTH WORLDS. Why compromise?Travel light and experience nature’s true detail with the Kowa TSN-66 PROMINAR.

€2,698.00
Kowa TSN-66S PROMINAR 25-60x Straight Zoom Kit
TSN-66 PROMINAR66mm PURE FLUORITE CRYSTAL SPOTTING SCOPE zoom kitThe TSN-66 PROMINAR is the newest member of Kowa’s PROMINAR family of spotting scopes, boasting exceptional pure fluorite crystal optics that have earned Kowa global acclaim.With a compact and lightweight body and 66mm objective lens, the TSN-66 PROMINAR is the ideal tool for those who want to travel light, without compromising on image quality when they arrive at their favourite location.Expanding the PROMINAR pure fluorite crystal family.Proudly made in Japan, this spotting scope joins a line-up of world-renowned precision optics featuring unique optical coatings and pure fluorite crystal technology. The PROMINAR range has set the standard for optical quality and performance, delivering outstanding image clarity and resolution. The TSN-66 PROMINAR upholds this tradition, and now offers nature enthusiasts the opportunity to experience the precision and clarity of a PROMINAR spotting scope in a more compact and lightweight form.Experience the truth and beauty of natural colour.Kowa has always been dedicated to delivering optical products that offer a true-to-life representation of the natural world. For nature enthusiasts and bird watchers, Kowa optics provide an unrivalled viewing experience. With Kowa’s commitment to the highest quality standards and utilising pure fluorite crystal lenses, the products deliver a pure rendition of the view in front of the lens, allowing users to explore and enjoy every detail of the subject.Lightweight yet tough: Portable perfection.Strong, light and built to last. The 100% magnesium alloy body not only provides robustness but also ensures a lightweight design. With a fully sealed outer body, this spotting scope is 100% waterproof and nitrogen-filled, making it impervious to the elements. Experience the perfect balance of strength and weight with the TSN-66 PROMINAR, built to last a lifetime. The scope is offered in both Angled (A) and Straight (S) configurations.Precision Dual FocusWith meticulous attention to detail, this scope delivers exceptional performance and intuitive operation. Our flagship spotting scopes are defined by their dual focus system, and the TSN-66 PROMINAR is no exception. This highly engineered feature provides ultimate control, ensuring flawless and precise operation. With quick focus, you can bring your subject into detail in just a few smooth revolutions. Meanwhile, fine focus provides pin-point fingertip control, delivering the ultimate in focusing accuracy. Whether you’re a seasoned pro or a novice, the TSN-66 PROMINAR’s dual focus system offers flawless operation out in the field.Kowa System compatibleCross compatibility is a fundamental feature of all our PROMINAR spotting scopes, including the TSN-66 PROMINAR. With the 100% compatible accessory collar and bayonet mount, you have access to a wide range of interchangeable eyepieces and accessories, making this scope a truly flexible and compact optical tool that can be used for many applications.The most compact and effective digiscoping option out there!The TSN-66 PROMINAR series scopes are highly effective digiscoping tools due to their pure fluorite crystal lens, which provides unparalleled image clarity and brightness. Combine this outstanding optical performance with their lightweight and compact bodies and experience the ultimate travel companion for wildlife photographers on the go.NOW, THERE REALLY IS A BEST OF BOTH WORLDS. Why compromise?Travel light and experience nature’s true detail with the Kowa TSN-66 PROMINAR.

€2,698.00

Accessories

TSN-EX16 1.6x extender for TSN-99/88/66 series
1.6x extender for TSN-99/88/66 spotting scopes compatiable with the following eyepieces:TE-11WZ, TE-80XW, TE-10Z, TE-17W, TE-20H The Kowa TSN-EX16 increases the magnification of the current Kowa TSN-99/88/66 spotting scopes by 1.6x when combined with the original eye-piece. Kowa optical technology and superior lens coatings deliver superb optical performance with less than 5% light loss even at high magnifications. Perfect for long range observation and digiscoping for both terrestrial and astronomical subjects. The high quality engineered TSN-EX16 is easily mounted on the accessory thread of the Kowa TSN-99/88/66 scopes between scope body & eyepiece. The styling perfectly complements the spotting scope body. The TSN-EX16 features a bayonet mount for Kowa compatible eyepieces. (see chart opposite).The TSN-EX16 can be used on angled and straight spotting scopes from the Kowa TSN-99/88/66 series. The TSN-EX16 1.6x Extender is fully compatible with a range of Kowa digiscoping adapters. Incredible telephoto power far beyond any conventional photography system and much more compact.

€329.00
Kowa TE-80XW Extreme Wide Eyepiece
KOWA TE-80XW Extreme wide eyepiece 80 degree extreme wide angle eyepiece - See more. Immerse yourself into the scene with a 40x magnification and a field of view of 39m (TSN-99) or with a 35x magnification and a field of view of 45m (TSN-88/880/770/66) at 1000m distance. Find a subject quicker with a wider view of your surroundings. 40x fixed magnification (TSN-99 PROMINAR SERIES)35x fixed magnification (TSN-88 / 880 / 770 / 66 PROMINAR SERIES) A true optical innovation. Kowa engineers have developed one of the most immersive visual experiences you can expect to see in a sporting optic device. Featuring an advanced optical design, the view through Kowa TE-80XW Extreme wide angle eyepiece can only be described as breath-taking. Incorporating a field flattener and XD lens to produce a view that is completely uniform and ultra sharp across the entire image and virtually zero chromatic aberration. Compatible with Kowa TSN-99 / TSN-88 / TSN-880 / TSN-770 / TSN-66 series spotting scopes Fully waterproof and sealed against the elements. Additional KR coating applied to the lens to actively reduce the build up of dust, dirt and other particles. Digiscoping game-changer - enjoy vignette free, ultra sharp images. 100% compatible with Kowa SYSTEM accessories including the TSN-EX16 1.6x extender for magnification up to 64x when paired with TSN-99 series and 56x with TSN 88/880/770/66 series.  

€699.00
TSN-PA7A Digiscoping Adapter for TSN-99/88/66
Compatible with Full frame, APS-C, mirrorless, compact system and MFT camera bodies. The Kowa TSN-PA7A DSLR digiscoping adapter transforms your KOWA TSN 99/88/66 series scope into an extremely high powered telephoto lens for you D-SLR, or Mirrorless/MFT camera. Allowing you to not only experience stunningly sharp views of the world around you, but also take highly magnified, detailed and vibrant photographs and videos with your D-SLR camera. In contrast to conventional digiscoping, where the image produced by the spotting scope eyepiece is photographed. the TSN-PA7A connects your camera body directly to the body of the scope via a T2 mount. Creating a high powered, yet lightweight and compact telephoto lens, when compared to traditional telephoto lenses. Designed to be used with the Kowa TE-11WZ/ TE-10Z zoom eyepieces and Kowa TSN-99/88/66 series spotting scopes. The design allows for the full use of the zoom eyepiece range giving an amazing focal length reach of up to 2570mm (35mm full frame equiv) when using the TE-11WZ eyepiece or 2750mm with the TE-10Z.

€199.00
TSN-DA10 Digiscoping Adapter for TSN-99/88/66/55
The Kowa TSN-DA10 is perfectly suited to the compact and lightweight Micro Four Thirds camera or mirroless system bodies and compact lenses up to 25mm focal length (MFT) or 50mm (full frame). Use with our flagship 99/88/66 series spotting scopes combined with a Kowa TE-11WZ TE-80XW or TE-10Z eyepiece. Kowa believe digiscoping should be easy and affordable – The TSN-DA10 ticks both boxes. Set-up takes less than a minute. Simply unscrew the eyepiece eye-relief cap and screw on the DA10 collar in its place. Screw the DA10 adapter to your MFT lens filter thread. Simply add one of our adapter rings (sold separately) depending on the filter size of your lens. Sizes available: AR28/30/30.5/37/43/46/52/55/58/62/72mm these adapter rings fit between your lens and the DA10. Finally push the connected DA10 and camera body combination over the collar and secure.

€149.00
Kowa TSN-CV88A Twist-up eyepiece protection cap
Twist-up eyepiece cap with protection glass for Kowa TSN-99/88/880/770/66/55 spotting scope ranges. Compatible with TE-11WZ / TE-80XW eyepieces as well as discontinued models TE-10Z (20-60x zoom eyepiece) and TE-17W (30x wide-angle eyepiece). The TSN-CV88A features a twist up design allowing the user to set eye-relief as required. At the opposite end of the spotting scope lies another area of vulnerability. The eyepiece, like the objective lens, is exposed to the full fury of mother nature. Including harsh weather and other degrading environmental conditions. The delicate coatings are at risk of being scratched by the elements as well as the user themselves for example spectacle wearers, persistent handling and insufficient storage or transportation. As with the objective lens, the eyepiece is pivotal for peak performance of your spotting scope, it is also an expensive part to replace. The Kowa TSN-CV88A is the perfect addition to a Kowa scope and part of the Kowa System protective accessory range. The TSN-CV88A imply screws on to the eyepiece and replaces the standard removable eye-relief cap. Ergonomic and comfortable viewing rubber encases a layer of see-through protection glass, forming a see-through protective barrier between the eyepiece optics and external elements. The CV-88A is fully compatible with all Kowa System accessories and digiscoping adapters.

€99.00
TSN-AS1.25K Astro adapter for TSN-99/88/66 series
TSN-AS1.25K (Knurled screw fitting) With the use of KOWA-SYSTEM Astronomy adapters, a Kowa PROMINAR TSN-99/88/66 spotting scope can accept standard 1.25” fitting astro eyepieces and adapters for night sky observation and photography. Combine with the Kowa EX16 1.6 extender for deep space object viewing.  One of the advantages of THE KOWA SYSTEM is doubtless the option to make use of our terrestial observation Kits for astronomical observations too. Enjoy astronimal observations with your own 1.25" astro fitting eyepieces with an ultra compact Kowa spotting scope. One model comes with knurled screws and one with grub screws. The fixing mechanism with knurled screw is more comfortable as it allows a faster exchange of the eyepiece. These adapter rings can only be used on our premium PROMINAR TSN-99/88/66 scope family. People travelling to remote places on our planet where the light condition still allows astronomical observations are at its best, are very often confronted with the fact, that astronomical telescopes are much bigger and it is a big burden to get this equipment to these places. With KOWA SYSTEM the story is different. Just one optical device, the TSN-99/88/66 scope offers a full range of observation during day & night with the option too use your own collection of 1.25" fitting astro eyepieces in a compact, portable and lighweight body. The Kowa-TSN-99/88/66 pure fluorite crystal spotting scope eliminates chromatic aberration to an almost invisible extent. The perfect tool for astronomical observations.

€33.00
TSN-AS1.25G Astro adapter for TSN-99/88/66 series
TSN-AS1.25G (Grub screw fitting) With the use of KOWA-SYSTEM Astronomy adapters, a Kowa PROMINAR TSN-99/88/66 spotting scope can accept standard 1.25” fitting astro eyepieces and adapters for night sky observation and photography. Combine with the Kowa EX16 1.6 extender for deep space object viewing.  One of the advantages of THE KOWA SYSTEM is doubtless the option to make use of our terrestial observation Kits for astronomical observations too. Enjoy astronimal observations with your own 1.25" astro fitting eyepieces with an ultra compact Kowa spotting scope. One model come/s with knurled screws and one with grub screws. The fixing mechanism with knurled screw is more comfortable as it allows a faster exchange of the eyepiece. These adapter rings can only be used on our premium PROMINAR TSN-99/88/66 scope family. The Kowa-TSN-99/88/66 pure fluorite crystal spotting scope eliminates chromatic aberration to an almost invisible extent. The perfect tool for astronomical observations.

€33.00
Kowa TE-11WZ II 25-60x / 30-70x Wide Zoom Eyepiece
KOWA TE-11WZ II 25-60X / 30-70x wide zoom for TSN-99/88/66 spotting scopes. A first for any KOWA eyepiece, the optical construction of the TE-11WZ II contains 2XD-lenses.Images are delivered with outstanding sharpness even at 60X / 70X magnification.Chromatic aberration is limited at the highest level. Eye relief of 17mm remains constant throughout the magnification range. The TE-11WZ II delivers a 20% wider field of view than the previous model (TE-10Z) 25-60x when paired with TSN-88 / TSN-880 / TSN-770 / TSN-66 series30-70x when paired with TSN-99 series Suitable for the following Kowa spotting scopes:TSN -771*, TSN-772*, TSN-773, TSN-774, TSN-66A, TSN-66S, TSN-881*, TSN-882*, TSN-883, TSN-884, TSN-88A, TSN-88S, TSN-99A, TSN-99S, Telephoto lens** * Product no longer available** Requires TP-88EC1 prism adapter Specification below is for TSN-880 / 99 series. Spec changes dependent on spotting scope body.

€749.00
Kowa TP-105FT protective filter
Compatible product: Kowa TSN-99 PROMINAR The Kowa TP-105FT filter helps to protect the pure fluorite crystal objective lenses of the Kowa TSN-99 PROMINAR. Featuring oil and water repellent coatings - it makes the perfect accessory for any owner of these premium optics. Harsh environments such as sand and salt at the coast,an accidental fall from a tripod or contact with a sharp object can all damage the most sensitive and valuable area of a spotting scope - the objective lens, often causing irreparable damage to the coatings and the actual lens itself. Damage to the front objective lens can drastically reduce the optical performance of your scope and is one of the most costly repairs to rectify, especially if you own a Kowa pure fluorite crystal model. Often the only option is to completely replace the front objective lens at great cost. This type of damage is not covered by the manufacturerswarranty meaning a possible expensive and lengthy repair. Kowa recommends the use of a protective filter to protect a Kowa spotting scope. All Kowa spotting scopes are conveniently fitted with a filter ring* (a feature often not included in other manufacturers models) allowing the connection of a filter. This accessory will help drastically reduce the risk of objective lens damage, avoid costly repairs and ultimately prolong the life and enjoyment of your spotting scope.

€219.00
Kowa TP-95FT protective filter
Compatiable products: Kowa TSN-883 spotting scopeKowa TSN-884 spotting scopeKowa telephoto lensKowa High Lander binocular The Kowa TP-95FT filter helps to protect the pure fluorite crystal objective lenses of the Kowa TSN-880 series spotting scopes, Telephoto lens and High Lander binoculars.Featuring oil and water repellent coatings - it makes the perfect accessory for any owner of these premium optics. Harsh environments such as sand and salt at the coast,an accidental fall from a tripod or contact with a sharp object can all damage the most sensitive and valuable area of a spotting scope - the objective lens, often causing irreparable damage to the coatings and the actual lens itself. Damage to the front objective lens can drastically reduce the optical performance of your scope and is one of the most costly repairs to rectify, especially if you own a Kowa pure fluorite crystal model. Often the only option is to completely replace the front objective lens at great cost. This type of damage is not covered by the manufacturerswarranty meaning a possible expensive and lengthy repair. Kowa recommends the use of a protective filter to protect a Kowa spotting scope. All Kowa spotting scopes are conveniently fitted with a filter ring* (a feature often not included in other manufacturers models) allowing the connection of a filter. This accessory will help drastically reduce the risk of objective lens damage, avoid costly repairs and ultimately prolong the life and enjoyment of your spotting scope.

€209.00