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Refractors

A forum for discussing refractor telescopes.

Tariff Discussions

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Topic	Stats	Last Post Info
Pinned Double-Pass Ronchi Testing (a.k.a. DPAC) - Repository of tests performed on Refractors Started by nicknacknock , 16 Mar 2023	0 replies 51,299 views	$Double-Pass Ronchi Testing (a.k.a. DPAC) - Repository of tests performed on Refractors - last post by nicknacknock$ nicknacknock 16 Mar 2023
Pinned Links of interest and the "Best of Refractors" Started by Jason B , 20 Sep 2010	4 replies 111,368 views	$Links of interest and the "Best of Refractors" - last post by Jason B$ Jason B 20 Sep 2010
Pinned Focus on Refractors (repository of in-focus info) Started by Ron B[ee] , 30 Nov 2005	9 replies 86,698 views	$Focus on Refractors (repository of in-focus info) - last post by zrlevin$ zrlevin 24 Dec 2009
Please help me decide on a telescope specifically for double stars and planets Started by SilesianSky , 30 Aug 2024 1 2 3 4	Hot 98 replies 4,135 views	Eddgie Today, 08:00 AM
AP155CS Announced Started by LLEEGE , 05 Apr 2025 1 2 3 11 →	Hot 272 replies 19,090 views	Bigal1817 Today, 07:58 AM
VERNONscope 80mm Apo/Achro/Hybrid Started by skycreep , 13 May 2025	8 replies 293 views	skycreep Today, 07:29 AM
AskarV Tube Ring Issue Started by jratino , Yesterday, 08:26 PM	1 reply 79 views	Cliff Hipsher Today, 07:28 AM
Where did the 3" refractors go? Started by Kim2010 , 27 Jan 2024 1 2 3 4	Hot 83 replies 4,555 views	$Where did the 3" refractors go? - last post by scotsman328i$ scotsman328i Today, 07:16 AM
Help Me Find a 5-inch Refractor for Rich Field Started by HellsKitchen , 09 May 2025 1 2 3	Hot 51 replies 1,890 views	$Help Me Find a 5-inch Refractor for Rich Field - last post by HellsKitchen$ HellsKitchen Today, 05:47 AM
iStar Optical Out of Business Started by BYoesle , 23 Jan 2025 1 2 3	Hot 59 replies 3,626 views	jragsdale Today, 01:05 AM
Astro-Physics 110mm f6 StarFire GTX (110GTX) Started by Polyphemos , 04 Jan 2023 1 2 3 44 →	Hot 1,090 replies 126,808 views	Dean J. Today, 12:26 AM
SVX127D New To Refractors…questions! Started by Skyscratcher88 , 29 Mar 2025 1 2	38 replies 2,081 views	$SVX127D New To Refractors…questions! - last post by Skyscratcher88$ Skyscratcher88 Today, 12:01 AM
Post a picture of your refractors (part 9) Started by Scott in NC , 05 Dec 2021 1 2 3 100 →	Hot 2,476 replies 397,193 views	$Post a picture of your refractors (part 9) - last post by Universe XY$ Universe XY Yesterday, 11:21 PM
My Rokinon 135mm modifications Started by fmendes , 05 Oct 2024 1 2	27 replies 1,850 views	fmendes Yesterday, 09:44 PM
Celestron 102 Omni C4-R Owners Club Started by sg80 , 13 May 2025	6 replies 239 views	csrlice12 Yesterday, 07:35 PM
DPAC Test - iStar Phoenix 8" f/5.9 Achromat Started by jragsdale , Yesterday, 01:44 PM	9 replies 311 views	jragsdale Yesterday, 07:06 PM
Stellarvue SVX 180T Owners' Thread Started by AstroCub , 10 Sep 2023 1 2 3 53 →	Hot 1,319 replies 99,939 views	AstroCub Yesterday, 05:33 PM
Takahashi TOA-130 and reducer TKA-35RD Started by Rafal73t , Yesterday, 04:32 PM	0 replies 113 views	Rafal73t Yesterday, 04:32 PM
Stellarvue SVX130T/140T (R) Owners Thread Started by Elusivephotons , 16 Sep 2023 1 2 3 8 →	Hot 194 replies 16,375 views	dariv Yesterday, 01:18 PM
Explore Scientific 2.5 Hex focuser removal Started by nate9862 , 17 Nov 2023	7 replies 568 views	lurkingtaco Yesterday, 01:06 PM
2” Powermate as a pre-diagonal focal extender Started by Terra Nova , 13 May 2025	9 replies 233 views	Lagrange Yesterday, 12:55 PM
*** TeleVue 85 vs TMB 92SS Started by RalphMeisterTigerMan , 09 May 2025	15 replies 872 views	peleuba Yesterday, 11:48 AM
DPAC Test - AstroPhysics Stowaway 2025 Started by Enyo , 08 Mar 2025 1 2	30 replies 2,197 views	oren Yesterday, 11:32 AM
Askar SQA85 Quintuplet Refractor Started by Apennine , 12 Oct 2024 1 2 3 5 →	Hot 109 replies 17,623 views	$Askar SQA85 Quintuplet Refractor - last post by TravelingWave$ TravelingWave Yesterday, 10:52 AM
Refractor advise requested Started by wishmaster , 15 Feb 2025	24 replies 1,163 views	$Refractor advise requested - last post by Jethro7$ Jethro7 Yesterday, 10:50 AM
SVBONY SV510 Solar Telescope - Owner Comments, Modifications etc. Started by Nautilus , 11 Nov 2024 1 2 3 8 →	Hot 175 replies 7,284 views	Nautilus Yesterday, 10:28 AM
Centering LOMO 650/102 triplet Started by manbot13 , 19 Apr 2025 3d printing, DIY, Refractor	19 replies 821 views	manbot13 Yesterday, 10:19 AM
What is biggest refractor used in a portable setting? Started by Sacred Heart , 16 Oct 2024 1 2 3 4	Hot 76 replies 3,824 views	$What is biggest refractor used in a portable setting? - last post by John O'Hara$ John O'Hara Yesterday, 10:16 AM
Collimating a Triplet, conflicting cheshire and star test Started by jragsdale , 05 Apr 2025 1 2	39 replies 1,460 views	jragsdale Yesterday, 08:22 AM
Astro-Tech 130 EDX Started by Heywood , 17 Aug 2024 1 2 3 6 →	Hot 146 replies 13,981 views	Astronomics Yesterday, 08:00 AM
Diffraction rings - poor seeing. Started by Princess Leah , 13 May 2025	17 replies 425 views	$Diffraction rings - poor seeing. - last post by Princess Leah$ Princess Leah Yesterday, 03:09 AM
What achromats do you own? Started by 25585 , 21 Dec 2024 1 2 3 9 →	Hot 210 replies 9,506 views	jragsdale Yesterday, 12:39 AM
Doublefrac Vixen NA 120 S is it good? Started by quilty , 10 May 2025	18 replies 665 views	$Doublefrac Vixen NA 120 S is it good? - last post by quilty$ quilty Yesterday, 12:24 AM
Stellarvue SVX102T flattener alternatives Started by Csmith , 12 May 2025	3 replies 146 views	$Stellarvue SVX102T flattener alternatives - last post by Oldfracguy$ Oldfracguy 13 May 2025
white dots on the front optics of my refractor! Started by Persianartist , 30 Apr 2025 Equipment, Lens Making, Optics and 1 more... 1 2	41 replies 1,836 views	$white dots on the front optics of my refractor! - last post by munirocks$ munirocks 13 May 2025
Question Re: how to remove 2" adapter from Svbony SV550 80mm Started by GoodwillTelescope , 04 Feb 2024	8 replies 760 views	SEOSAPH 13 May 2025
Install ZWO or other autofocuser on Evostar 150 dx? Started by Polaco , 13 May 2025	0 replies 72 views	Polaco 13 May 2025
Takitis! Started by NHRob , 25 Jun 2014 1 2 3 524 →	Hot 13,075 replies 1,550,287 views	lumos 13 May 2025
Orion EON 130 and ZWO EAF Started by TransitVanMan , 13 May 2025 Astrophotography, Equipment and 1 more...	1 reply 86 views	auroraTDunn 13 May 2025
Astro-Tech 90EDX Started by CrazyPanda , 11 Dec 2024 1 2 3 5 →	Hot 109 replies 6,650 views	Terra Nova 13 May 2025
Carbon fiber vinyl wrap Started by Heitman , 24 Jan 2021 1 2	33 replies 3,491 views	Dave Hederich 13 May 2025
Amazon price insanity infects Ebay. Started by RichA , 08 May 2025	8 replies 1,233 views	FirstSight 13 May 2025
dew heater for 6" D&G Started by tag1260 , 09 May 2025	4 replies 130 views	Eric P 13 May 2025
Recommendation needed ZWO FF107 vs Evostar 150DX Started by Polaco , 16 Apr 2025	17 replies 442 views	Cliff Hipsher 13 May 2025
TEC-itis! Started by Scott in NC , 04 Jul 2019 1 2 3 21 →	Hot 506 replies 72,243 views	Alan S 13 May 2025
DPAC test of an Astro-Tech AT125EDL Started by Scott in NC , 23 Apr 2023 1 2 3	Hot 55 replies 8,501 views	900SL 13 May 2025
TEC APO110FL F/5.6 Avalanche Started by mdanese , 09 May 2025 1 2	46 replies 2,570 views	ABQJeff 12 May 2025
AT72EDII - a terrific little gem of a scope Started by BKBrown , 26 Apr 2025 Refractor 1 2	40 replies 1,964 views	BFaucett 12 May 2025
AT90EDX or AT115EDT — Aperture vs Glass Started by 10gauge , 01 Mar 2025 1 2 3	Hot 68 replies 2,945 views	$AT90EDX or AT115EDT — Aperture vs Glass - last post by Oldfracguy$ Oldfracguy 12 May 2025
Astro-Tech AT125EDL Manual Started by Keith-in-Texas , 11 May 2025	8 replies 275 views	Agatha 12 May 2025