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Brand Name Rating # of Ratings
Optolong Optolong Hydrogen Alpha Narrowband (7nm) CCD Filter - 31mm Round Unmounted No Reviews 0
Optolong Optolong Hydrogen Alpha Narrowband (7nm) CCD Filter - 36mm Round Unmounted No Reviews 0
Optolong Optolong Hydrogen Alpha Narrowband (7nm) CCD Filter - 50mm Round Unmounted No Reviews 0
Optolong Optolong Hydrogen Alpha Narrowband (7nm) CCD Filter - 50mmx50mm Square Unmounted No Reviews 0
Optolong Optolong LRGBSHO (LRGB, S-II, H-a & O-III) Imaging Filter Set of 7 Filters - 1.25" No Reviews 0
Optolong Optolong LRGBSHO (LRGB, S-II, H-a & O-III) Imaging Filter Set of 7 Filters - 2" No Reviews 0
Optolong Optolong LRGBSHO (LRGB, S-II, H-a & O-III) Imaging Filter Set of 7 Filters - 31mm Round Unmounted No Reviews 0
Optolong Optolong LRGBSHO (LRGB, S-II, H-a & O-III) Imaging Filter Set of 7 Filters - 36mm Round Unmounted No Reviews 0
Vixen Vixen Lanthanum LV9mm 3.0 1
Vixen Vixen Lanthanum LV12mm 4.0 1
Optolong Optolong Hydrogen Beta Narrowband (25nm) Filter - 1.25" 4.0 1
Optolong Optolong Hydrogen Beta Narrowband (25nm) Filter - 2" 4.0 1
Bob's Knobs Clearance: *2nd* Bob's Knobs for Celestron C11 f/10 with Trifid Fastar Secondary Housing and Standard Collimation Screw Threads # C11stdfst 4.0 1
Bob's Knobs Clearance: *2nd* Bob's Knobs for Celestron C8 f/10 Secondary with EdgeHD Optics # C8edg 4.0 1
Optolong Optolong Moon & Skyglow Light Pollution Reduction Filter - 1.25" 4.4 5
Optolong Optolong Moon & Skyglow Light Pollution Reduction Filter - 2" 4.4 5
Vixen Vixen Porta Mount Altazimuth with Aluminum Tripod 4.6 10
Optolong Optolong Ultra High Contrast UHC Nebula Filter - 1.25" 4.7 6
Optolong Optolong Ultra High Contrast UHC Nebula Filter - 2" 4.7 6
Optolong Optolong Ultra High Contrast UHC Nebula Filter - Clip Filter for Canon EOS Cameras with APS-C Sensor 4.7 6
Optolong Optolong Ultra High Contrast UHC Nebula Filter - Clip Filter for Canon EOS Cameras with Full Frame Sensor 4.7 6
Optolong Optolong Ultra High Contrast UHC Nebula Filter - Clip Filter for Nikon D7000/D7100 Cameras 4.7 6
Optolong Optolong Ultra High Contrast UHC Nebula Filter - Clip Filter for Nikon D5000/D5100 Cameras 4.7 6
Vixen Vixen Lanthanum LV2.5mm 5.0 1
Vixen Vixen Icarus-D Altazimuth Mount 5.0 1
Bob's Knobs Bob's Knobs for Astro-Tech AT12RC Ritchey-Chretien Secondary # AT12RC 5.0 1
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 C11 f/10 with Flat Secondary Housing and Metric Collimation Screw Threads # C11met 5.0 1
Bob's Knobs Bob's Knobs for Celestron C14 f/11 Secondary with Factory Headless Set-Style Collimation Screws # C14set 5.0 1
Bob's Knobs Bob's Knobs for Celestron C5 f/10 Secondary with Standard Collimation Screw Threads # C5std 5.0 2
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