At72edii, Our first star test on the prototype was simply textbook. The new Astro-Tech AT72EDII refractor telescope for sale has upgraded the ED element to FPL-53. I even searched astrobin to look at what others got using this telescope and surprisingly I see the same theme. With original case. The lenses are made by Ohara. I've been pretty happy with it, the views are sharp and there seems to be pretty minimal CA. Are they really what I should expect? This combination is both faster and has a larger aperture than the AT72EDii, although he field of view is a bit smaller and it cannot fully fit Andromeda in frame. 83”) aperture, 430mm focal length, f/6 focal ratio air-spaced doublet lens using premium ED glass, including an FPL-53 ED (Extra-low Dispersion glass) with a Lanthanum mating element to reduce spurious color halos and fringing to vanishingly low levels. I have an AT72EDii, but admittedly haven't had it very long. This Astro-Tech ED refractor has: • 72mm f/6 fully multicoated FPL-53 and Lanthanum doublet refractor optics • dual-speed Rack and Pinion 2” focuser with 10:1 ratio May 4, 2023 · I've recently acquired this telescope, but I still haven't made much of imaging with the AT72EDII. I know that the 2 FPL53 glass and the first version is FPL51. During galaxy season, I could take off the reducer/flattener, increasing the focal length to give me better resolution for smaller galaxy objects. The views are tack sharp and there is virtually no CA (at least to my eyes). The next upgrade comes with the 2" Rack and Pinion focuser with 10:1 fine focus knob. Yes, the focuser is 2. 5" (on the inside) despite what is says on the website! You can unscrew the 2" adapter to expose an M54 thread, and then you can unscrew the M54 ring to expose a M68 thread! All this while keeping the camera rotator ring in place. This is the new model with FPL-53 glass and 2. AT72EDII doublet refractor optics: 72mm (2. . I've only used the 2 so can't really give a comparison of the two. Don't have an Astromart account? Click here to create one Hi, Up for sale is my like new AT72EDII with the FPL-53 glass! This scope is a worthy and super portable successor to the original AT72. The Astro-Tech AT72EDII or the Celestron NexStar 5SE. The Astro-Tech AT72EDII takes the performance, and mechanics, of the "product everyone should own" (thank you Astronomy Magazine) and gives it an upgrade. 5" focuser. A perfectly defined set of white diffraction rings with jet black spacing. The FPL-53 lens makes a huge difference in correcting chromatic aberration, rendering sharper images with much more realistic colors--closer in hue to those that I have gotten from the Epsilon-200. Dec 9, 2017 · The AT72EDII is an air-spaced doublet refractor with an FPL-53 element. Selling a practically unused Astrotech AT-72EDII refractor. I have done some research of what I can expect with the two and I found an example of Jupiter for the Astro-Tech and an example of Jupiter for the Celestron 5SE. I'm planning to use my ASI585MC (uncooled) for now, but plan to purchase a cooled ASI533MC in the future. Both scopes have great reviews. AT72EDII Please Log In to view the details for this classified ad. I hoped for a short refractor for larger DSO's, but it seems like this telescope produces very large stars, compared to what I'm used to. So Nov 24, 2024 · The scopes I'm considering that fit my budget are the AT72EDII with reducer or the Askar 71F Flat Field refractor (without reducer for now).


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