Doc Posted November 2, 2018 Share Posted November 2, 2018 One for Pete... https://www.astromart.com/classifieds/astromart-classifieds/eyepieces/show/rodenstock-100mm-fl-25-fit-eyepeice Tweedledee 1 Link to comment Share on other sites More sharing options...
Tweedledee Posted November 2, 2018 Share Posted November 2, 2018 Trying to lure me back from the dark side? ? Not that I've even got started yet. Very interesting eyepiece, but a bit of a straw to look through even in a 2.5" barrel. I've asked him to email some photos. Cheers Mick. ? Doc 1 Link to comment Share on other sites More sharing options...
Tweedledee Posted November 6, 2018 Share Posted November 6, 2018 A quick calculation shows that when limited by a 2.5" barrel, a 100mm focal length eyepiece can't have an apparent FOV greater than 35 degrees. So it will definitely give narrow straw-like view. ? Link to comment Share on other sites More sharing options...
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