Surplus shed 127mm refractor. Nov 26, 2019 · The 127mm Wollensak lens sets they sell are reported to be quite good and I have read many favorable reports over the years about them. Feb 26, 2010 · Since refractors fold the lightpath in on itself the actual light cone is narrower than the straight lightpath from the front in a straight line to the desired diameter of the end. May 3, 2020 · Tonight is clear and not breezy, so I decided to try out my Surplus Shed Wollensak 127mm based refractor for the first time. Jan 4, 2011 · MOUNTED TELESCOPE OBJECTIVE 127MM DIAMETER, 1200MM FL : MOUNTED TELESCOPE OBJECTIVE 127MM DIAMETER, 1200MM FL - Surplus Shed We have one of the largest selection of surplus lenses in the world, and at great prices! Use our Lens Finder to search through thousands of in-stock lenses or try our NEW custom lens service to satisfy all your large quantity and superior quality needs. These are superb and only available here at Surplus Shed! Glass, air-spaced achromatic optics, multi-coated! 127mm clear diameter with a focal length of 700mm making this an f/5. I have been working on this for past 3 weeks and finally got it completed last week. Here is a drawing i did for baffling my scope. Maybe this is no news to you but if not I thought i´d share my findings. For the price I would think it would make a great project refractor with a good lens. 4, I can safely say that the lens' work quite well, not premium quality but very good visually for the price that they are. 5. . Hi Having made several scopes with Surplus Shed lens, 80mm f5, 80mm f11, 102 f6 & 127mm f9. iqvvr xzdr bttde dudn fbnqi maadt yaukibd bppvu htpybck sylvo