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2,410 Results
SVBNOY SV227 SII / H-Alpha / OIII 5nm 2" Narrowband CCD Filter for Deep Sky
$123.49 to $298.99Was: $1,166.63Free shipping5 watchingSolar Filter Film for 4-Sizes Telescope Objective Lens Safely Observe the Sun US
$15.63 to $25.75Was: $27.99$5.99 shippingNew ListingDayStar Quark Telescope Eyepiece Solar Filter for Refractors H-Alpha Prominence
$950.00or Best Offer$6.71 shippingBaader Planetarium Adapter 2" / T-2 Filter Holder Part # 27 150-8035
$55.000 bidsFree shippingEnding Today at 3:36PM PDT8m 57sAdjustable Astronomical Telescope Solar Filter PET-coated Film for Sun Observing
$19.69 to $55.69Free shippingAstromania 9 FILTER 1.25" telescope filter wheel, with filters REVISED
$55.00$10.80 shippingSVBONY 1.25'' Telescope Filters UHC /CLS/ Moon/ UV/IR Cut Astronomy observation
$17.99 to $29.99Was: $59.97Free shippingNew Listing SV132 Telescope Filter, 2 inches H-Beta Narrowband Filter, 25nm Visual
$118.28Free shippingAstronomical Telescope Adjustable Solar Filter PET-coated Film for Sun Observing
$19.99 to $40.99Free shippingCelestron 1.25" UHC / LPR Filter #94123
$39.993 bidsFree shippingEnding Today at 6:33PM PDT3h 5mSolar Filter Film for Telescope Objective Lens Safely Observe Sun 44mm-210mm
$19.95 to $40.95Free shippingSVBONY 1.25" UV/IR CUT Block Infra-Red Filter for DSLR/CCD Cameras Telescope
$17.99Was: $59.97Free shippingCelestron Six Filter Set Ser. 5 in Original Box
$18.95$5.90 shipping2" Optolong L-eNhance Filter for Deep Sky Imaging dual-band astronomy narrowband
$115.00or Best Offer$6.80 shipping4"X4" Solar Filter Sheet for Telescopes, Binoculars and Cameras
$15.00Free shippingTelescope 1.25" Eyepiece Filters. Celestron. Orion. Astromik.
$12.991 bid$5.25 shippingEnding Thursday at 7:38AM PDT1d 16hNew ListingThousand Oaks Optical SolarLite S-5000 Solar Filter
$55.00or Best Offer$5.07 shippingFor Sun Observing Astronomical Telescope Adjustable Solar Filter PET coated Film
$19.95 to $40.95Free shipping1.25" Metal Cell Glass Lens Telescope Moon Filter Dark Grey 87% Block - NEW!
$10.95Free shippingNew ListingTelescope Variable Polarizing Filter Set 2" Astrophotography Planetary Imaging
$29.99or Best Offer$4.47 shippingNew ListingMeade Series 4000 1.25" ND96-0.9 Moon Filter # 07531
$9.99Free shippingSVBONY SV229 Solar Eclipse Telescope Filter 103mm For Sunspots Observation
$29.99Was: $99.97Free shippingNew ListingAstronomik CLS-CCD Light Pollution Filter LPF T2 (M42x0.75) thread Excellent!
$99.99or Best OfferFree shippingInterference Filter for Sub Angstrom Hydrogen Alpha Solar Scope 656.28SC0.15 Pr.
$455.00or Best Offer$10.00 shipping21 watchingPrimary Filter for Sub Angstrom Hydrogen Alpha Solar Scope 656.28SC0.15
$295.00or Best Offer$10.00 shippingSVBONY SV220 Dual-Band OIII (7nm) & H-a (7nm) Filters fit One-Shot Color Camera
$159.99Was: $533.30or Best OfferFree shippingSolar Filter Film for 4-Sizes Telescope Objective Lens Safely Observe the Sun US
$18.39 to $27.59Was: $29.99Free shippingZWO Duo-Band Narrowband Light Pollution Reduction Imaging Filter - 1.25"
$49.00or Best Offer$5.90 shippingCelestron - "Altazimuth Mount + Finder Scope & Mounting Bracket" for Small Scope
$18.95$6.85 shippingDWARF LAB UHC FILTER For Dwarf 2, (1.25”) Brand New Factory Sealed
$15.98$5.85 shippingSVBONY SV220 Dual-Band 7nm Nebula Filter for One-Shot Color Cameras 1.25" Mounte
$109.99Was: $366.63or Best OfferFree shippingCelestron 8 Inch Sun Film Solar Filter for CPC800/ NexStar 8SE Telescope #94128
$52.19Was: $57.99or Best OfferFree shipping30 soldSVBONY SV220 Dual-Band OIII (7nm) & H-a (7nm) Filters fit One-Shot Color Camera
$159.99Was: $533.30or Best OfferFree shippingTelescope Filters 6 Colors 1.25 Inch Telescope Eyepieces Filter Optical Glass
$13.49Was: $14.35Free shippingCelestron "Moon / Lunar Filter" for (1.25") Oculars # 94119-A (Vintage)
$6.45$4.65 shipping60-90mm Adjustable Solar Filter Sun Film Telescope Accessories for Sun Observing
$15.29Was: $16.99or Best OfferFree shipping99 soldNew Listing 2" Moon/Skyglow Filter
$34.79Free shippingStar Guy 105-135 Mm Solar Filter
$25.00$7.96 shippingAdjustable Astronomical Telescope Solar Filter PET-coated Film For Sun Observing
$19.75 to $55.75Free shippingCelestron EclipSmart Solar Filter for 5" Schmidt-Cassegrain Telescopes #94253
$44.90or Best Offer$8.00 shippingAstronomical Telescope Filter 2 Inch 50.8mm Moon Filter Telescope Accessory
$11.80Was: $12.55or Best OfferFree shippingAstronomical Telescope Adjustable 64-94MM Solar Filter Film for Sun Observing
$22.85Free shipping40 soldMeade Telescope Nebular Filter 07524 911B Broadband SCT Rear Cell New Old Stock
$37.95Free shipping50 watchingHydrogen Alpha refinement etalon # 0013: Designation 656.28SC0.15 Secondary
$160.00or Best Offer$10.00 shipping21 watchingCelestron " 12.5 + 20 mm (.965) Oculars, Star Diagonal + 2X Short Barlow Lens"
$29.95$5.85 shipping1.25 inch Optical Lens Moon & Skyglow Filter for Astronomical Telescope
$4.74 to $10.82Was: $4.99Free shippingLumicon Color / Planetary Filter Set Of 4 12. 11 47 And 21. Excellent
$12.990 bids$8.45 shippingEnding Thursday at 7:33AM PDT1d 16hSolar Sun Filter Telescope Sheet Black Polymer 4"x4" Eclipse Thousand Oaks
$14.95$8.41 shippingCelestron - "Star Diagonal / Barlow" (1.25") 1.7X Laser Culminated (Rare)
$44.95$5.89 shippingOrion Solar Filter 6 Inches Diameter For Astrophotography Solar Eclipses
$79.95$9.95 shippingSVBONY 2'' UHC /CLS/Moon/UV/IR Cut Filters for Photography Astronomy Telescope
$21.99 to $134.99Was: $586.63Free shipping31 soldSun Film Solar Filter For Celestron NexStar 8SE/C8/CPC800/CPC800HD Telescope
$29.85Free shipping