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1. www.cloudynights.com › topic › 752399-best-80-or-102mm-refractor-on-a-budgetBest 80 or 102MM Refractor on a Budget - Cloudy Nights

   www.cloudynights.com › topic › 752399-best-80-or-102mm-refractor-on-a-budget

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   23 sty 2021 · I've decided after a lot of research that the ideal scope for me is an 80 or 102mm. I've got a budget of $300-400 all in. I have found a few models that would seem to fit the bill: Celestron StarSense Explorer DX 102AZ.

2. theskysearchers.com › viewtopicComparing APO refractors: doublets vs triplets, makes & models,...

   theskysearchers.com › viewtopic

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   9 sie 2020 · I have two Evostar ED doublets that I use exclusively for solar imaging... 80 & 100mm. The diagonals are great, and the ED glass is equal to my Vixen ED scope. Both fit my imaging needs perfectly. I liked the 80mm so well that I have a second one that serves as my grab-and-go for visual use.

3. stargazerslounge.com › topic › 411836-imaging-with-the-askar-zwo-80phqImaging with the Askar / ZWO 80PHQ - Stargazers Lounge

   stargazerslounge.com › topic › 411836-imaging-with-the-askar-zwo-80phq

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   22 lip 2023 · The image quality it provides is excellent (at least to my eyes!), with tight, round star to the edges. So is the build quality, with a beefy focuser and modern accessories. I like the fact you can add a reducer to bring it from 600mm to 450mm, and thus a faster f-ratio. That makes 2 scopes in 1, and can prove useful for those big nebulae.

4. phillipreeve.net › blog › review-kmz-helios-40-85mm-f-1-5-can-the-legend-live-upReview: KMZ Helios 40, 85mm f/1.5 - phillipreeve.net

   phillipreeve.net › blog › review-kmz-helios-40-85mm-f-1-5-can-the-legend-live-up

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   7 mar 2024 · The original Helios 40 developed in 1950 (tested in this review) and a newer Helios 40-2, from around 1969 to 1990. The newer version (40-2) was revived in Russia after more than 2 decades in October 2012 due to the Helios 40-2’s popularity and high demand.

5. www.skyatnightmagazine.com › reviews › telescopesSky-Watcher Equinox-80 ED apo refractor review

   www.skyatnightmagazine.com › reviews › telescopes

   As the Equinox-80 has a wide field of view of around 2º, it performs as a rich-field telescope. As such, it gave excellent views of large objects such as M45, the Pleiades, and M31, the Andromeda Galaxy.

6. avt-astro.com › reviews › eyepieces40mm Explore Scientific 68° Review - Dedicated

   avt-astro.com › reviews › eyepieces

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   40mm Explore Scientific 68° Review. By: Vlad Fedosov. Intro: My quest to acquire the 40mm Explore Scientific (ES) 68° eyepiece began on a wonderful dark starry 2017 night. I was at one of my astronomy clubs summer star parties cruising some very large nebula and star clusters with my William Optics GT102 APO.

7. kmitonline.com › tsdocsTessellator and Telescope - kmitonline.com

   kmitonline.com › tsdocs

   Tessellator and Telescope - FAQs. 1. Login Quick Reference 2. Change Password?