WebDec 20, 2024 · Takahashi FOA-60 star test - Refractors - Cloudy Nights Cloudy Nights → Equipment Discussions → Refractors CNers have asked about a donation box for Cloudy Nights over the years, so here you go. Donation is not required by any means, so please enjoy your stay. Takahashi FOA-60 star test Started by gloyer1 , Sep 16 2024 05:38 PM WebDec 20, 2024 · Takahashi FOA60 focusing issue - Refractors - Cloudy Nights Cloudy Nights → Equipment Discussions → Refractors CNers have asked about a donation box for Cloudy Nights over the years, so here you go. Donation is not required by any means, so please enjoy your stay. Takahashi FOA60 focusing issue Started by jarnold , Jul 31 …
Is the FC100DZ the best DOUBLET ever made? - Cloudy Nights …
WebMar 11, 2024 · Here's my design for a poor man's version of the FOA60Q. The objective lens is a 60mm f/7.5 (450mm focal length) Steinheil doublet using S-FPL53 and N-KZFS2. It is extremely well corrected (0.98 poly strehl) over the 480-707nm wavelength range, but not corrected at the 435nm g line. WebMar 22, 2009 · Page 15 of 34 - Takahashi FOA-60 Owners’ Feedback - posted in Refractors : Ray, Congratulations to your new FOA60 . Have a lot of fun with it. Clear skies Markus . ... CNers have asked about a donation box for Cloudy Nights over the years, so here you go. Donation is not required by any means, so please enjoy your stay. Recent Topics. high pressure shower tower
Oh clear skies with FC100DF and FOA60 - Cloudy Nights
WebJan 4, 2024 · For purely optical quality, the Takahashi FOA60Q provides the best optical performance of an Takahashi, or any commercially available telescope. But is longer than the others and one might want a telescope with a shorter length. Here are a couple of photos. Edited by teashea, 23 June 2024 - 08:05 PM. BlueMoon, Castor, rerun and 3 … WebJul 12, 2011 · Page 26 of 34 - Takahashi FOA-60 Owners’ Feedback - posted in Refractors : I’m still waiting for my scope to come back from TNR where it was sent for collimation nearly 3 weeks ago. I really miss it. The off collimation only showed up with high magnification. But I strive for perfection so I want it perfectly adjusted. Hope you get it back soon! I wonder … WebJan 22, 2015 · Both of the FOA models are based on the same ƒ8.8 fluorite doublet. If you purchase the 60Q (1.7x module in place) you get a red label. Otherwise it's blue. Functionally, adding the Q segment gives you an FOA-60Q. It seems unlikely that there is any significant difference in the doublets used. In the end, these are two very different … high pressure shower head kwt