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Celestino Telescope - "Nexstar 4" Computerized Maksutov Cassigrain

$ 245.52 $ 147.31

Celestron Eclipsmart Solar Filter for 8" SCT & EdgeHD

$ 52.79 $ 31.67

SVBONY 1.25” LRGB Imaging Filters Set f Telescope Deepsky/Planetary CCD Imaging

$ 96.79 $ 58.07

SVBONY 2" OIII-CCD Telescope Filter Narrow-Band 7nm fit Deep Sky photography

$ 87.99 $ 52.79

ORION 2" SKYGLOW FILTER NEW IN BOX!!

$ 114.35 $ 68.61

Telescope 0.965" Orion Moon Skyglow Color Filter Barlow Wide Angle Eyepiece Lot

$ 264 $ 158.4

Lumicon Ultra High Contrast UHC Filter - 1.25". Pre-Owned.

$ 70.4 $ 42.24

UHC Filter 1.25" Telescope Filter for Astronomy Telescope Monocular Eyepiece

$ 20.23 $ 12.14

Lumicon Night Sky Hydrogen-Alpha Filter - 2" # LF3090

$ 68.64 $ 41.18

Alstar 1.25" NBPF Hydrogen-a Ha 12nm Telescope Filter

$ 57.2 $ 34.32

ZWO 2" Duo Band Filter

$ 117.92 $ 70.75

1.25" UV/IR CUT Block Infra-Red Filter for DSLR/CCD Cameras Telescope Filtration

$ 10.55 $ 6.33

ZWO Manual Filter Wheel (5 x 1.25″)

$ 66 $ 39.6

Seymour Solar SF800P1 Helios Solar Film Filter 8" ID

$ 51.92 $ 31.15

9 1/4 Inch Solar Filter for Mirror Reflex Telescopes with Case V11

$ 106.04 $ 63.62

Celestron - Carry Case for a Catadioptric Scope / Schmidt Camera (Vintage)

$ 34.32 $ 20.59

5 POSITION 1.25" FILTER WHEEL FOR TELESCOPE

$ 35.15 $ 21.09

2 Inch Ultra High Contrast UHC Telescope Filter for Deep Sky Astrophotography

$ 35.19 $ 21.11

Optolong 2 inch UHC Nebula filter

$ 37.84 $ 22.7

Meade - Telescope "2045D 4" Schmidt / Cassigrain" DC Drive (Quality Vintage)

$ 241.12 $ 144.67

Lumicon 1.25" Deep Sky Telescope Filter Light Pollution Nebula Galaxies

$ 66 $ 39.6

Optolong H-Alpha, O3 and SII set 7nm CCD Filter - 2" Mounted

$ 611.6 $ 366.96

ZWO 2" IR Cut Filter for Astronomical Imaging # IRCUT2

$ 44 $ 26.4

2 INCH 5 POSITION FILTER WHEEL

$ 52.75 $ 31.65

Svbony SV115 OIII Oxygen-III 1.25" Narrowband Telescope Filter

$ 39.6 $ 23.76

SV115 2" O-III Filter 18nm Narrowband Cuts Light Pollution Filter for Telescopes

$ 68.63 $ 41.17

SVBONY SV115 1.25inch 18nm O-III Filter Narrowband Cuts Light Pollution Filter

$ 49.27 $ 29.56

Meade Telescope Nebular Filter 07524 911B Broadband SCT Rear Cell New Old Stock

$ 43.95 $ 26.37

Lumicon Ultra High Contrast UHC Filter - 1.25" # LF3025

$ 90.64 $ 54.38

Thousand Oaks Optical Solar Filter Set 58mm 77mm 86mm

$ 87.95 $ 52.77

ZWO 1.25" LRGB Imaging Filter Set # LRGBSET1

$ 78.32 $ 46.99

Optolong UV / IR Cut Filter - 31mm Round Unmounted

$ 49.28 $ 29.56

Lumicon OII Filter - 1.25"

$ 88 $ 52.8

Solomark 5-position 2inch Manual Filter Wheel Revolver for Astronomy Telescope

$ 80.87 $ 48.52

Celestron - "Declination Motor" for C8 S/C - Replacement Part (vintage - Rare)

$ 39.6 $ 23.76

SVBONY 2in CLS Telescope Filter for Deep Sky Light Pollution Astronomy Eyepiece

$ 35.18 $ 21.1

OPTOLONG 1.25" UV/IR Cut Filter for Astromomical Telescope Eyepieces

$ 38.72 $ 23.23

Meade 5 Piece Photo Visual Filter Set Kit for Meade 1.25" Eyepieces

$ 35.2 $ 21.12

Glass Solar Filter ST675G

$ 102.91 $ 61.74

Celestino Telescope - "Nexstar 4" Computerized Maksutov Cassigrain

$ 286 $ 171.6

Astronomik OIII Filter, 13nm Bandpass, 2"

$ 198 $ 118.8

Bausch & Lomb Criterion - "8.4 mm to 24 mm Zoom Ocular" Orthoscopic (1.25")

$ 39.6 $ 23.76

Orion SkyGlow SCT UltraBlock light pollution filter 05658 Excellent++.

$ 52.8 $ 31.67

Celestron - "Equatoriale Mount & Tripod" from a CG150 mm (6") Refractor

$ 271.92 $ 163.15

1.25inch UHC Telescope Eyepiece Filters Ultra High Contrast Sky Light Pollution

$ 19.35 $ 11.61

SVBONY 1.25" Eyepiece Filter Set Colored Planetary & Moon Telescope Filters Kit

$ 26.39 $ 15.83

Orion 05598 1.25-Inch 25% Transmission Moon Filter

$ 17.59 $ 10.55

1.25'' Format Color Filter Wheel Telescope Accessory with 3 empty FILTER SLOTS

$ 26.39 $ 15.83

Celestron 94119-10 1.25 " Eyepiece Filter Set

$ 43.99 $ 26.39

SVBONY 2" UV/IR Filter CUT Block Infra-Red for DSLR/CCD Camera Telescope Astro

$ 18.47 $ 11.08

Meade 04530LF CCD Telescope Interference Color Filter Set 1.25" Red Blue IR Grn

$ 43.95 $ 26.37

Meade 07529 Telescope Color Filter Set #2 Series 4000 #11, 25A, 47, 82A - JAPAN

$ 35.15 $ 21.09

Meade 98mm Reflecting Telescope Solar Filter - fits 86mm to 98mm OD Tubes - New!

$ 21.95 $ 13.17

SVBONY SV139 1.25"ND(4/8/16/1000) Neutral Density Moon Filter Kits for Telescope

$ 10.55 $ 6.33

Solomark 1.25 Inch UV IR Cut Filter

$ 17.59 $ 10.55

Optolong 2" L-eNhance Dual Bandpass Light Pollution Reduction Imaging Filter

$ 201.52 $ 120.91

SVBONY SV115 2/1.25inch O-III Filter 18nm Narrowband Cuts Light Pollution Filter

$ 49.27 $ 29.56

Meade Series 4000 #905 1.25" Variable Polarizing Filter # 07286

$ 35.2 $ 21.12

Meade 07530LF 4000 Series Telescope Eyepiece Color Filter Set #1 Gently Used

$ 30.75 $ 18.45

SVBONY 2" Narrow-Band Filter kits (SII-CCD+OIII-CCD)7nm for Deep Sky photography

$ 100.31 $ 60.18

Baader 1.25" Neodymium Moon & Skyglow Filter with IR Cut # FMS-1 # 2458305A

$ 80.95 $ 48.57

ZWO 1.25" IR Cut Filter # for Astronomical Imaging # IRCUT1

$ 20.23 $ 12.14

10X SVBONY 1.25" UV/IR Filter CUT Block Infra-Red for DSLR/CCD Cameras Telescope

$ 90.63 $ 54.37

SVBONY 1.25/2" Moon Filters Standard Filter Thread for Telescope Eyepiece Lenses

$ 8.79 $ 5.27

1.25"Telescope Filter Kit(NO.15/25/58/80A Color) for Planetary Details Observing

$ 21.99 $ 13.19

Meade 07530 4000 Series Color Filter Set #1 (filters #12, 23A,58, 80A) Japan

$ 35.2 $ 21.12

SV115 2" O-III Filter 18nm Narrowband Cuts Light Pollution for Astrophotography

$ 68.63 $ 41.17

SVBONY 1.25"/ 2" UV/IR CUT Block Infra-Red Filter for DSLR/CCD Cameras Telescope

$ 10.55 $ 6.33

SVBONY 1.25inch CLS Deep Sky Filters For 1.25" Eyepieces Cuts Light Pollution

$ 20.23 $ 12.13

SVBONY 1.25" Moon Filter+CPL Filter+Five Color Filter Kit for Telescope Eyepiece

$ 26.39 $ 15.83

OPTOLONG 1.25 inch UV/IR Cut Filter for Astromomical Telescope Eyepieces

$ 38.71 $ 23.22

1.25 inch UV/IR Astronomy Cut Filter for Astromomical Telescope Eyepieces

$ 38.72 $ 23.23

Celestron - Filter Set - LPR / Nebular for Giant Binoculars - Cased #93568

$ 36.96 $ 22.17

SVBONY 1.25" Telescope Eyepiece Moon Filter for Astro Moon&Planets Observation

$ 8.79 $ 5.27

1.25" 3-Position Color Filter Wheel w/ Nebula Filter Plate for Telescopes

$ 22.06 $ 13.23

Celestron 93624 Narrowband Oxygen III 2 Telescope Filter

$ 105.59 $ 63.35

SVBONY Telescope Filter Canon EOS Clip UHC/CLS Astronomy Observation of Deep Sky

$ 49.27 $ 29.56

1.25"/2" Ultra High Contrast UHC Telescope Filters for Deep Sky Astrophotography

$ 19.35 $ 11.61

V2 Andover hydrogen alpha 1.7 angstrom double stacking narrowband imaging filter

$ 528 $ 316.8

SCT & MAK ASTRONOMY TELESCOPE SKYLIGHT FILTER IN CASE

$ 39.59 $ 23.75

Telescope - "Draw Tube Focuser" (.965) + Barrel Cap (Vintage)

$ 4.4 $ 2.64

Paired hydrogen alpha 0.8 angstrom double stack narrowband Max contrast booster

$ 1056 $ 633.6

SVBONY 1.25" CLS Deep Sky Filters For Telescope Eyepieces Cuts Light Pollution

$ 20.23 $ 12.13

Photo Adapter for 2" (48 mm) Draw Tube + Astrophotography Book (78) Pages

$ 16.72 $ 10.03

Antares 2" Neutral Density / Moon Filter ND-0.9 with 13% Transmission

$ 22.88 $ 13.72

Celestron 1.25 UHC LPR Telescope Filter 94123

$ 79.19 $ 47.51

Baader Planetarium 2" U Filter (Venus and Ultraviolet) # FUV-2 2458291

$ 347.6 $ 208.56

Optolong Ultra High Contrast UHC Nebula Filter - 1.25"

$ 49.28 $ 29.56

Celestron 94244 Enhance your viewing experience Telescope Filter, 8", Black

$ 61.18 $ 36.71

Optolong Moon & Skyglow Light Pollution Reduction Filter - 1.25"

$ 29.04 $ 17.42

Helios Solar Filter Glass 5.5 "(140mm). Fits Optical Tube Dia 5 1/8" (131mm)

$ 66 $ 39.6

Celestron telescope accessories polarizing filter, T Adapter, Tele-extender

$ 25.78 $ 15.47

Celestron UHC (Ultra High Contrast) Light Pollution Reduction 48mm Filter

$ 96.79 $ 58.07

Solomark 1.25 Inch UV IR Cut Block Filter Infra Red Filter CCD Camera Interfe...

$ 22.57 $ 13.54

Solarlite Solar Filter Film (Optical Density 5) 6" x 6" Thousand Oaks Optical

$ 14.08 $ 8.44

Solar Sun Filter Telescope Sheet Black Polymer 8"x 8" Binoculars Astronomy Mylar

$ 17.54 $ 10.52

1.25" Optical Astronomical Telescope Filters Lens 6 Color for Telescope Eyepiece

$ 25.07 $ 15.04

5.0 Density Astronomical Telescope Solar Filter 40mm Sun Film Baader Film

$ 14.95 $ 8.97

Baader Planetarium 1.25" Contrast-Booster Filter # FCB-1 2458360

$ 80.95 $ 48.57

60mm Sun Filter Membrane 5.0 Astronomical Telescope Lens Cap

$ 15.83 $ 9.49