Reflectors
A forum for discussing Newtonian type reflecting telescopes (including Schmidt and Maksutov designs as well as Herschelian, Off-Axis, etc).
Apertura AD12 Collimation ToolsStarted by sahstim001 , 07 Jan 2021  collimation, reflector
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Zhumell Z130 OTA weight?Started by Woodsx , 07 Jan 2021 |
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A new year, a new moonStarted by RedzoneMN , 06 Jan 2021 |
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A couple 8” Portaball questionsStarted by Blueox4 , 06 Jan 2021 |
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VX14 Back focusStarted by WaveyDavey , 06 Jan 2021 |
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Dobs - Make mine easier to use.Started by zakry3323 , 06 Jan 2021 |
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Help! Collimation?Started by hungerford , 06 Jan 2021 |
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Been gone a while where’s the “How to center spot a mirror” mega thread?Started by rlmxracer , 05 Jan 2021 |
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Accurate and easy COLLIMATION (Concenter + Laser) method for Newtonian reflector dobsonian telescopeStarted by astrocanito , 05 Jan 2021 |
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I Need Help! OMG, I thought Collimating the Secondary would be a relatively simple chore, but now I have totally created a..Started by Sheol , 04 Jan 2021 |
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Dual-speed focuser, where is its superiority?Started by Yourjones , 04 Jan 2021 |
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Please HELP my Orion 10xti is having issues 😔Started by Faith , 04 Jan 2021 |
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So has anyone painted spidervanes..Started by Muffin Research , 04 Jan 2021 |
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A full review of Geoptik Eartha Eq platform with a 12" inch dobson telescopeStarted by astrocanito , 03 Jan 2021 |
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Fixing the wretched GSO 6" mirror cellStarted by bokemon , 03 Jan 2021 |
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Orion DSE needs TLC !Started by Sparky57 , 03 Jan 2021 Orion, reflector, beginner, dob
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135 mm Floor standing Dob for $160 - anyone know anything about this scope?Started by aeajr , 03 Jan 2021 |
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Dobsonian Viewing Quality and Collimation QuestionsStarted by sahstim001 , 01 Jan 2021 |
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Portaball 8" FS on other siteStarted by sw196060 , 01 Jan 2021 |
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Which 8" F4?Started by GalaxyGazer2000 , 01 Jan 2021 |
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How does a Paracorr affect eyepiece exit pupil size?Started by Neptune , 01 Jan 2021 |
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Short focal length reflector?Started by Yourjones , 01 Jan 2021 |
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Help me pick a 12" DobsonianStarted by ulrichsd , 31 Dec 2020 |
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Removing the Mirror from an Apertura DobsonianStarted by RockyMtnRR , 31 Dec 2020 |
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Visual ExpectationsStarted by McBike , 31 Dec 2020 |
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Which Dob to buy?Started by Retro , 31 Dec 2020 |
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Market for Cave/RGStarted by rob1986 , 31 Dec 2020 |
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Replacement focuser for 8" Celestron StarHopper (Sonotube)?Started by bazookaman , 30 Dec 2020 |
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Trying to adjust secondary on z130 , secondary adjustment screws wont turn, any ideas?Started by Pokemoncrusher1 , 30 Dec 2020 |
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viewing JupiterStarted by Cascade Alpacas , 30 Dec 2020 |
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My 10" OTA had a bad accident, suggestions for new 10" OTA?Started by jakecru , 30 Dec 2020 |
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ES 16" Gen 2 overview from Youtube.Started by 25585 , 30 Dec 2020 |
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A request for comments on my view of this "collimation"...Started by tmossman01 , 29 Dec 2020 |
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New focuser - how to check orthogonality?Started by Dunkstar , 29 Dec 2020 |
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How to "stiffen" a primary mirror for imaging?Started by bokemon , 29 Dec 2020 |
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Adding a fan to an ES First Light / Bresser Messier 10” Dob?Started by Sassenach , 29 Dec 2020 |
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secondary mirror sizingStarted by tboss70 , 29 Dec 2020 |
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List of 114mm and 130mm Short Tube Reflectors with Parabolic MirrorsStarted by Woodsx , 29 Dec 2020 |
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Collimation issueStarted by limzs , 29 Dec 2020 |
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Observing with a Sky Pro 8 F4.9 ReflectorStarted by Wallyl , 29 Dec 2020 |
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Collimation - Not sure what i am seeing here.Started by ribuck , 29 Dec 2020 |
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C130SLT focuser upgradeStarted by CollinofAlabama , 29 Dec 2020 reflector
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DSC for Discovery 15"Started by TienDuong , 28 Dec 2020 |
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Actual outside Diameter of Orion XT12 ?Started by Donwade58 , 28 Dec 2020 |
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Collimation CalamityStarted by Starcraft231 , 28 Dec 2020 |
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Mak-Newt vs Newtonian with high quality coma correctorStarted by SkyfallerTac , 28 Dec 2020 |
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New 12” Dob.Started by scotsman328i , 28 Dec 2020 |
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XT12g used pricingStarted by Speedy1985 , 28 Dec 2020 |
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Omegon 16 inch trussStarted by mg07 , 27 Dec 2020 |
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do I really want a project? Odyssey Compact for $40Started by Bill Jensen , 27 Dec 2020 |
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