TSN-EC3 eyepiece conversion ring
TSN-EC3 eyepiece conversion ring
Required when using a TSN-82SV/TSN-660M/600 series eyepiece with a TSN-880/770 series.
When other model eyepieces are used with TSN-880/770 Series scopes, not only will the specifications including the magnification change, but there may be cases where an adequate optical performance cannot be obtained.
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delivery time approx:1-3 workdays