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Reflectors

A forum for discussing Newtonian type reflecting telescopes (including Schmidt and Maksutov designs as well as Herschelian, Off-Axis, etc).

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Topic	Stats	Last Post Info
Pinned SHOW US YOUR DOBSONIAN! **** Started by mattyfatz , 15 Jan 2014 1 2 3 79 →	Hot 1,956 replies 775,623 views	Maximus001 Yesterday, 02:32 PM
Pinned How to Collimate your Newtonian Started by Vic Menard , 15 Feb 2008 1 2 3 66 →	Hot 1,640 replies 506,165 views	Pooks 15 Mar 2025
Pinned Show us your non- dob Newtonian Started by Bonco , 18 Sep 2016 1 2 3 18 →	Hot 440 replies 349,250 views	BIG 27 Feb 2025
Pinned Premium Dob Builders Worldwide Started by cuzimthedad , 29 May 2023	0 replies 26,612 views	cuzimthedad 29 May 2023
Pinned Best of Reflectors Started by Tom L , 14 Apr 2004 1 2	30 replies 260,757 views	cuzimthedad 26 Feb 2022
Found a thrown away Newt Started by CHASLX200 , Yesterday, 06:09 PM	8 replies 209 views	Jon Isaacs Today, 02:33 AM
Shroud and Focuser extending into the UTA, does it cause issues? Started by cmdr_disco , 15 Mar 2025	7 replies 191 views	cmdr_disco Today, 02:12 AM
Hubble Optics 14UL shipping! Started by Skyscratcher88 , 26 Feb 2024 1 2 3	Hot 68 replies 3,278 views	lanndonkane Today, 12:07 AM
12.5" Portaball Price? Started by BuffaloTri , 08 Mar 2025	16 replies 520 views	turtle86 Yesterday, 11:21 PM
The Future of the Dobsonian Started by JayinUT , 05 Mar 2025 1 2 3 8 →	Hot 177 replies 5,439 views	turtle86 Yesterday, 10:35 PM
Braeside observatory 16” mirror ebay Started by Zthomase , Yesterday, 09:06 PM	0 replies 91 views	Zthomase Yesterday, 09:06 PM
Can a reflector be optimized for binoviewers? Started by Javier1978 , 03 Mar 2025 1 2	29 replies 834 views	Javier1978 Yesterday, 07:55 PM
A 6-Inch Newtonian Can Be A Great Deep-Sky Telescope Started by Carolina Observer , 22 Feb 2025 1 2 3	Hot 57 replies 2,321 views	Jay_Reynolds_Freeman Yesterday, 06:48 PM
Catseye Tools and Glasses Started by Albie , 03 Mar 2025	11 replies 454 views	25585 Yesterday, 05:17 PM
The Celestron nexstar 130 slt telescope is not as accurate Started by Luchom2011 , Yesterday, 12:09 PM	0 views	cuzimthedad Yesterday, 04:46 PM
New Collimation Device Started by MellonLake , 18 Oct 2022	24 replies 1,532 views	CrazyPanda Yesterday, 03:18 PM
Collimation check - first time with a new newt - CarbonStar 150 Started by odddiv , 15 Mar 2025 Astrophotography, Collimation	6 replies 186 views	Vic Menard Yesterday, 02:50 PM
Caring For An Aging Wooden Dob Started by Alex Swartzinski , 10 Sep 2022	24 replies 1,310 views	Astro-Master Yesterday, 02:37 PM
Comparison of Dobsonians (Hubble vs Orion vs Obsession) Started by MichaelJB , 15 Mar 2023 1 2 3 4	Hot 90 replies 6,621 views	George N Yesterday, 01:45 PM
Teaching a Dob to fetch (a Romer Optics EZ Goto kit install) Started by sheath , 28 Feb 2025	11 replies 277 views	sheath Yesterday, 11:12 AM
Meade MTS SN6 Focuser Replacement? Started by zakry3323 , 12 Mar 2025	2 replies 123 views	zakry3323 Yesterday, 09:44 AM
Safe way to ship a 16" mirror Started by Starman47 , 06 Sep 2024	17 replies 799 views	Starman47 Yesterday, 01:41 AM
Adding a Field Rotator to My Newtonian Started by 339kio , 30 Jul 2023	7 replies 1,774 views	Rohan73 16 Mar 2025
Vixen R200SS First Light Started by tsk1979 , 25 Jul 2022 Astrophotography, Reflector and 3 more... 1 2 3 5 →	Hot 116 replies 13,789 views	Henryweiner 16 Mar 2025
Secondary Mirror Obstruction Started by km11 , 15 Mar 2025	0 views	cuzimthedad 15 Mar 2025
Old JMI 18" Newtonian Started by Joe F Gafford , 12 Mar 2025	5 replies 301 views	George N 15 Mar 2025
Unboxing my 24" Hubble optics Dobsonian Started by Damo251 , 07 Dec 2022 Equipment, Reflector and 1 more... 1 2 3 4	Hot 91 replies 9,958 views	JayinUT 15 Mar 2025
Explore Scientific 10" Truss Dob at Costco Started by jessebear , 17 Dec 2019 1 2 3 28 →	Hot 692 replies 83,564 views	rgk901 15 Mar 2025
Lightweight 11 inch to 16 inch dobs? Started by truckerfromaustin , 14 Mar 2025	5 replies 203 views	Skyscratcher88 14 Mar 2025
How do large aperture dobs compare to smaller scopes Started by Ihtegla Sar , 02 Feb 2025 1 2 3 7 →	Hot 172 replies 6,000 views	25585 14 Mar 2025
True Binocular Telescopes (6" and up) Discussion Group here Started by Bob4BVM , 16 Sep 2024 1 2 3 6 →	Hot 131 replies 6,617 views	salico 14 Mar 2025
Concenter collimation Started by Nemo51 , 13 Mar 2025	19 replies 311 views	Vic Menard 14 Mar 2025
Advice on a second telescope Started by Wol , 22 Jan 2024	15 replies 737 views	Wol 14 Mar 2025
DOB Mirror Maker Started by Dave Novoselsky , 13 Mar 2025	6 replies 276 views	jack45 13 Mar 2025
Colimation Question using cheshire Started by rnewman , 12 Mar 2025	6 replies 217 views	Vic Menard 13 Mar 2025
New Sharpstar 13028hnt-al question. Started by j21blackjack , 04 Mar 2025 1 2	34 replies 713 views	j21blackjack 12 Mar 2025
Aperture and magnification on planets. Started by Wol , 12 Mar 2025	7 replies 318 views	areyoukiddingme 12 Mar 2025
Meade SN6 Rejuvenation Started by Star_Explorer , 16 Oct 2022	16 replies 1,011 views	BIG 12 Mar 2025
12" Orion Dob is this Focuser Tilt? Started by RedRover , 11 Mar 2025	5 replies 229 views	Ranger Tim 12 Mar 2025
Suggestions for a Focuser Upgrade for an Orion 8" F/3.9 Newt Started by ahcastvc , 11 Mar 2025 Orion	1 reply 133 views	mayhem13 12 Mar 2025
Long focuser screws Started by hboswell , 11 Mar 2025	11 replies 172 views	Jon Isaacs 12 Mar 2025
Collimation - Hopefully I'm close Started by ahcastvc , 07 Mar 2025 Collimation	4 replies 347 views	ahcastvc 11 Mar 2025
Hubble 12" ultra light Started by starman876 , 20 Jan 2025	14 replies 884 views	starman876 11 Mar 2025
24” f/3.17 Steve Swayze: A Photo Essay (Swayze-Lockwood) Started by TayM57 , 26 Oct 2024 ATM, Visual 1 2 3	Hot 64 replies 3,845 views	TayM57 11 Mar 2025
Obsession Concern Started by RichardSF , 10 Mar 2025	8 replies 471 views	dustyc 11 Mar 2025
Another Telescope For Less Than $16 Dollars Started by Carolina Observer , 05 Mar 2025	5 replies 389 views	KerryR 11 Mar 2025
Catseye Hotspot—White or Yellow Started by Bener , 10 Mar 2025 Collimation, Reflector	2 replies 135 views	CrazyPanda 11 Mar 2025
Weird issue with my Skywatcher 180 mak…please help! Started by Goldypoker , 10 Mar 2025	0 views	$Weird issue with my Skywatcher 180 mak…please help! - last post by Oldfracguy$ Oldfracguy 10 Mar 2025
Mega-mod thread for Zhumell dobs Started by Tim L , 28 Jan 2010 1 2 3 77 →	Hot 1,910 replies 399,394 views	kfiscus 10 Mar 2025
Collimation with a Concenter eyepiece Started by Corpze , 08 Dec 2020 collimation 1 2	25 replies 4,774 views	Dave Novoselsky 10 Mar 2025