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Brand Name Rating # of Ratings
HoTech HoTech 1.25" SCA Laser Collimator - Single Dot 4.8 27
HoTech HoTech 2" & 1.25" SCA Laser Collimator - Single Dot 4.8 27
HoTech HoTech 1.25" SCA Laser Collimator - Crosshair 5.0 20
HoTech HoTech 2" & 1.25" SCA Laser Collimator - Crosshair 5.0 20
HoTech HoTech 2" SCA Field Flattener with T-Thread for f/5 - f/8 Refractor Telescope # FF582 4.8 13
HoTech HoTech Astro Aimer G3 - Green Laser and Flashlight 4.6 12
HoTech HoTech 1.25" SCA T-Adapter 4.8 8
HoTech HoTech 2" SCA T-Adapter 4.8 8
Bob's Knobs Bob's Knobs for Orion Secondary Set Screws on XT, SkyView & Others # CNsec30 5.0 7
Bob's Knobs Bob's Knobs for Celestron C6 f/10 Secondary with Metric Collimation Screw Threads # C6 5.0 4
Bob's Knobs Bob's Knobs for Celestron C8 f/10 Post-1980 Secondary with Standard Collimation Screw Threads # C8std 5.0 4
Bob's Knobs Bob's Knobs for Celestron C9.25 f/10 Secondary with Trifid Fastar Housing # C9.25fst 5.0 4
Bob's Knobs Bob's Knobs for Telrad Finder # Telrad 5.0 4
HoTech HoTech Astro Aimer Gen II - Green Laser and LED Flashlight 5.0 4
HoTech HoTech Green Laser Pointer HTGL-05 3.8 4
HoTech HoTech Green Laser Pointer HTGL-05 3.8 4
Bob's Knobs Bob's Knobs for Celestron C8 f/10 Secondary with EdgeHD Optics # C8edg 5.0 3
Bob's Knobs Bob's Knobs for Celestron C8 f/10 Secondary with Metric Collimation Screw Threads (not for EdgeHD or Hyperstar) # C8met 5.0 3
Bob's Knobs Bob's Knobs for Meade 10" f/10 with 3-Screw Secondary # M10-3 5.0 3
HoTech HoTech Astro Presenter - Green Laser Pointer 4.7 3
HoTech HoTech Astro Presenter - Green Laser Pointer 4.7 3
Bob's Knobs Bob's Knobs for C11 f/10 with “Trifid” Fastar Secondary Housing and Metric Collimation Screw Threads # C11metfst 5.0 2
Bob's Knobs Bob's Knobs for Celestron C5 f/10 Secondary with Standard Collimation Screw Threads # C5std 5.0 2
Bob's Knobs Bob's Knobs for Celestron C9.25 f/10 Secondary with Standard Collimation Screw Threads # C9.25std 5.0 2
Bob's Knobs Bob's Knobs for Vixen R200SS Primary # R200pri 5.0 2
Bob's Knobs Bob's Knobs Springs for Meade Lightbridge (8", 10" & 12") f/5 Primary # CNspr 5.0 2
Barska Barska BlackHawk 15x70 3.0 1
Barska Barska X-Trail 15x70 4.0 1
Barska Barska X-Trail 20x80 4.0 1
Barska Barska Cosmos 15x60 4.0 1
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