Classic 80mm achro
WebDec 25, 2010 · Page 1 of 4 - Achro 'Grab & go' - posted in Refractors : NOT talking APOs here but Achro Grab & Go scopes. It seems I have been on a long quest to find a real all purpose Grab and go achro scope but I think Ive found it. Ive tried 80mm F5s , 90mm F5,6s and one of the newer 90mm F6.7s but all failed miserably at planetary. Then I found a … WebJul 27, 2009 · Page 2 of 2 - VernonScope/Brandon 80mm APO - posted in Classic Telescopes: Heres my take on this scope that i newly aquired:I just had a few good nights with it to assess it. ... (NASA/ Ames wanted a 3" …
Classic 80mm achro
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WebJul 24, 2024 · My astronomy friend Patrick Hsieh, , just won a NASA APOD today so I thought I'd share the love here. Anyway, I was out with him on his first night of gathering data for this image so it is kinda cool to have been there at the birth of this amazing ima… WebDec 5, 2006 · a F15 classic achro will involve a spherochrotsim to an equivalent P/V4.4 front aberration. I remember something like this so with higher aperture and F.D ratio make the equivelent result. ... Not so much the case with a synta 80mm achro... there's an awful lot of sample to sample variability in all mass-market scopes anyway, but, right now ...
WebiOptron designed the 80mm f/5 Achro Refractor Telescope with an achromatic doublet lens system that is fully multi-coated to produce … WebApr 20, 2005 · How does SV compare with other premium brands - posted in Refractors : Hi,I have seen nothing but praise for SV scopes, I was wondering how does the scope performance of SV (doublets/triplets APO in 80 to 100 mm range) compare with the likes of Takahashi, Televue and TMB.ThanksShailesh
WebFeb 12, 2015 · Page 1 of 2 - Celestron 120mm F8 Achro Stopped Down - posted in Refractors : Just curious. I have a Synta 120 mm F8 achromat. It is very nice on the deep sky and I like it on the moon as well, although there is some color. Jupiter, however is a mess to my eye, using a full aperture. The lens cap can serve as a mask that will stop … WebOct 4, 2024 · Nope, I happen to own an 80mm f/7.5 achro and two 80mm apos, a doublet and a triplet. Both apos are carefully centered with their factory screws, the achro has aftermarket centering screws to reach the same precise adjustment, and there is no way it will outperform the others in any regard. ... Some of the classic long fl achros were …
WebAug 20, 2016 · 80mm F15 Achro Vs 80mm F10 ED ( FPL-53 and Lanthanum ) - posted in Refractors : Hi everyone, So Im thinking of selling my current collection of Achromat telescopes. To fund a StellaMira 80mm F10 ED FPL-53 and Lanthanum telescope, which is checked by one of the top telescope opticians in the UK. All things being equal with …
WebThe Vixen Optics A80Mf 80mm f/11 Achro Refractor Telescope is designed with an achromatic lens system that produces bright and clear high-contrast images with true … payoff and profitWebThe Vixen Optics A80Mf 80mm f/11 Achro Refractor Telescope is designed with an achromatic lens system that produces bright and clear high-contrast images with true color representation across its entire distortion-free field of view. Its 80mm objective gathers more light than smaller-objective models while still being easy to handle and transport, … payoff and take up machinesWebSep 4, 2024 · tripod for short 80mm refractor - posted in Mounts: I have a SV 80mm short achro I use for RFT. I have it on big photo tripod with a pan and tilt head. The problem is that tbe head is limited in altitude. The head appears to be is integral to the tripod. So, whats a good really portable alt-az mount for this scope. Willing to consider making a dob … payoff and close letterWebJul 9, 2011 · In other words, suppose I get either the CR6 or Meade AR6 at 1200mm, f/8. According to your idea, I could make it into a 5" f/9.45, a 120mm f/10, a 4" f/11.8, a 90mm f/13.3 or 80mm f/15. It just sounds a bit too good to be true. (Then again, I WOULD still have the full weight and bulk of the 6" achro to deal with, and that's a major caveat!) payoff assistanceWebJan 28, 2013 · The F11 80mm achro, while good, was definitely not in the same league as even my "cheaper" apos were when I had both and compared the views. The Apo always won. It really was no contest. The 80mm F11 achro could achieve about 200x on the moon and doubles. The apos (both current and former) did 300x, 325x in the case of my … screw with flat endWebGood 80mm achromatic doublets hit an optical sweet spot. Whilst larger achromatic doublet designs suffer from noticeable purple fringing this small 80mm scope controls … payoffassist.comWebOct 3, 2010 · Meade 312 80mm achro - posted in Refractors : hello, i have a question for anyone who wants to comment... i recently purchased the above refractor from a … screw with handle