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Terry Wood

Jupiter (clearer) Nov 5th 2023 w/Mewlon 180c

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Nikon Ortho N-7S

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N-7S: (7mm Ortho) 0.965" in excellent condition - $300.00
This is a clean Nikon eyepiece. Optically the same as the N-7 but the coatings are for Astrophotography. It's also excellent for optical viewing - Honestly, I couldn't see a difference between the N-7S and the N-7 (I recently sold) optically except in some very unusal situations/targets, when used with my AP StarFire 152 and RCOS.
For Long Exposure and Multi Exposure 'stacking' this eyepiece provides better color balance than the traditional N-7, optically there's no difference.