Binoculars & Telescopes › lens filter telescope filter telescope

Celestron 1.25 Eyepiece and Filter Kit

The Celestron 1.25 Eyepiece and Filter Kit is a wonderful way to expand the functionality and enjoyment of your telescope. Inside the metal foam-lined carry case you ll find several accessories. The included and very versatile 2X Barlow doubles the... more

Celestron Eyepiece and Filter Kit (1.25") 94303

Free Express Shipping! Celestron Eyepiece and Filter Kit (1.25") 1.25" Diameter Accessories, 32, 17, 13, 8, 6mm Plossl Eyepieces, Six Colored Planetary Eyepiece Filters, Neutral Density Moon Filter, 2x Barlow Lens, Hard Aluminum Carrying Case more

Celestron Eyepiece and Filter Kit (2") 94305

Free Express Shipping! Celestron Eyepiece and Filter Kit (2") 2" Diameter Accessories, For SCT and Refractor Telescopes, 26, 32, & 40mm E-Lux Eyepieces, Five Planetary Eyepiece Filters, E-Lux 2x Barlow Lens, 90° Star Diagonal, Hard Aluminum Carrying Case more

Celestron 2in Eyepiece and Filter Kit 94305

Celestron 2in Eyepiece and Filter Kit 94305. Celestron 2" Barlow Lens - 2x - Celestron Barlow Lenses doubles the magnifying power of your eyepiece by doubling its effective focal length. Celestron E-Lux 2x Barlow Lens is fully multicoated and gives you... more

Celestron UHC/LPR - Telescope filter

Celestron UHC/LPR - telescope filter more

Observer s Accessory Kit with 2 Eyepieces Barlow Lens 3 Filters & Hard Carry Case

Celestron Observer s Accessory Kit more

Celestron 94306 PowerSeeker Telescope Accessory Kit

The Celestron PowerSeeker Accessory Kit is a great way to expand the enjoyment of your telescope. Inside the plastic foam-lined carry case youll find these accessories: 15 mm Kellner Eyepiece - 1.25 9 mm Kellner Eyepiece - 1.25 #80A Blue Filter - 1.25... more

Celestron PowerSeeker 70EQ Telescope

This Celestron 21037 PowerSeeker 70EQ Telescope can help you to see further than ever thanks to its innovative technology. The included 3x Barlow lens triples the magnifying power available in each eyepiece. With a fully coated glass optical component... more

525 Power 70070 Refractor Telescope

The 525 Power Starwatcher Telescope from Barska is a practical way to start a lifetime journey to the stars and planets. It is easy to set up and comes with the basics; a finderscope 3 interchangeable eyepieces 3x Barlow lens 90° erect image diagonal... more

Celestron 93623 Oxygen III Narrowband Filter - 1.25 in.

Celestron Oxygen III 1.25-inch Narrowband Filter for Telescopes isolates just the two doubly-ionized oxygen lines (496 and 501 nm lines) emitted by planetary and emission nebulae while blocking the rest of the overall spectrum of light. The result is... more

Celestron 0.7x Reducer Lens for EdgeHD 800 Telescope 94242

Free Express Shipping! Celestron 0.7x Reducer Lens for EdgeHD 800 Telescope For 8" EdgeHD Optical Tube, 0.7x Focal Reduction, 43% Wider FOV, Fully Multicoated Lanthanum Glass, 105mm Back Focus Distance, Optimized for APS-C Camera Sensors, Machined... more

Celestron Barlow Lens

Quality X-Cel LX 3x Barlow triples the magnification of any 1.25 eyepiece perfect for owners of fast short focal length telescopes. 3-element apochromatic fully multi-coated optics offer up bright sharp images with excellent color correction. A rubber... more

Pentax Weatherproof XW 10mm Extra Wide Eyepiece w/1.25in Barrel

Designed for use with PENTAX brand spotting scopes and with astronomical telescopes with appropriate 1 1/4 or 2 focusers. Ideal for both ground and astronomical observations this eyepiece features fully multi-coated lenses to increase light... more

Pentax SMC XW 10mm Eyepiece (1.25") 70514

Free Express Shipping! Pentax SMC XW 10mm Eyepiece (1.25") For Select Pentax Spotting Scopes, For Telescopes That Use 1.25" Eyepieces, Wide 70° Angle of View, Low-Dispersion Lanthanum Glass Lenses, 7 Element/6 Group Lens Configuration, Produces a... more

Pentax Weatherproof XW 5mm Extra Wide Eyepiece w/1.25 Barrel

Designed for use with PENTAX brand spotting scopes and with astronomical telescopes with appropriate 1 1/4 or 2 focusers. Ideal for both ground and astronomical observations this eyepiece features fully multi-coated lenses to increase light... more

Pentax SMC XW 5mm Eyepiece (1.25") 70512

Free Express Shipping! Pentax SMC XW 5mm Eyepiece (1.25") For Select Pentax Spotting Scopes, For Telescopes That Use 1.25" Eyepieces, Wide 70° Angle of View, Low-Dispersion Lanthanum Glass Lenses, 8 Element/5 Group Lens Configuration, Produces a High... more

Pentax Weatherproof XW 7mm Extra Wide Eyepiece w/1.25in Barrel

Designed for use with PENTAX brand spotting scopes and with astronomical telescopes with appropriate 1 1/4 or 2 focusers. Ideal for both ground and astronomical observations this eyepiece features fully multi-coated lenses to increase light... more

Pentax SMC XW 7mm Eyepiece (1.25") 70513

Free Express Shipping! Pentax SMC XW 7mm Eyepiece (1.25") For Select Pentax Spotting Scopes, For Telescopes That Use 1.25" Eyepieces, Wide 70° Angle of View, Low-Dispersion Lanthanum Glass Lenses, 8 Element/6 Group Lens Configuration, Produces a High... more

Pentax Weatherproof XW 3.5mm Extra Wide Eyepiece w/1.25in Barrel

Designed for use with PENTAX brand spotting scopes and with astronomical telescopes with appropriate 1 1/4 or 2 focusers. Ideal for both ground and astronomical observations this eyepiece features fully multi-coated lenses to increase light... more

Pentax SMC XW 3.5mm Eyepiece (1.25") 70511

Free Express Shipping! Pentax SMC XW 3.5mm Eyepiece (1.25") For Select Pentax Spotting Scopes, For Telescopes That Use 1.25" Eyepieces, Wide 70° Angle of View, Low-Dispersion Lanthanum Glass Lenses, 8 Element/5 Group Lens Configuration, Produces a High... more

Celestron AstroMaster Accessory Kit

Get more enjoyment from your telescope with the Celestron AstroMaster Accessory Kit. Inside the plastic foam-lined carry case youll find these accessories: 15 mm Kellner Eyepiece - 1.25 6 mm Plossl Eyepiece - 1.25 2X Barlow Lens with T-threads - 1.25... more

Celestron AstroMaster Accessory Kit (1.25") 94307

Free Express Shipping! Celestron AstroMaster Accessory Kit (1.25") 15mm Kellner Eyepiece, 6mm Plossl Eyepiece, 2x Barlow Lens, #80A Blue Planetary Filter, #25 Red Planetary Filter, Moon Filter, Foam-Lined Hard Plastic Carrying Case more

Celestron EdgeHD .7x Telescope Reducer Lens 14in Telescopes 94240

Celestron EdgeHD .7x Telescope Reducer Lens 14in Telescopes 94240. 7x Focal Reducer Lens 94240 is a powerful tool for flattening the field seen through your telescope allowing you to take faster photographs and capture a wider field of view through... more

Kowa 32x82 High Lander Observation Binocular Telescope Prominar Fluorite Crystal Lenses

Kowa 32x82 High Lander Observation Binocular Telescope Prominar Fluorite Crystal Lenses. Kowa Optics designed these Binoculars with 82mm PROMINAR fluorite crystal objective lenses that are fully multi-coated for enhanced brightness. This powerful... more

Celestron Travel Scope 70 Portable Telescope NO Solar Filter 21035

Celestron Travel Scope 70 Portable Telescope NO Solar Filter 21035. The Travel Scope by Celestron is made of the highest quality materials to ensure stability and durability. All this adds up to a Telescopes that gives you a lifetime of pleasure with a... more

Celestron Travel Scope 70 Portable Telescope NO Solar Filter 21035

Celestron Travel Scope 70 Portable Telescope NO Solar Filter 21035. The Travel Scope by Celestron is made of the highest quality materials to ensure stability and durability. All this adds up to a Telescopes that gives you a lifetime of pleasure with a... more

Barska 40070 88x 70mm Compact Refractor Telescope w/ Tripod & Carrying Case - AE10100

Barska 40070 88x 70mm Compact Refractor Telescope w/ Tripod & Carrying Case - AE10100. Barska 40070 88 Power Compact Refracting Telescope features 400mm focal length and fully coated achromatic 70mm diameter objective lens. Compact Refractor Barska... more

Celestron EclipSmart White-Light Solar Filter for 60mm Refractor OTAs 94220

Celestron EclipSmart White-Light Solar Filter for 60mm Refractor OTAs Adapt Nighttime Scopes for Solar Viewing, For PowerSeeker 60AZ or 60EQ Telescopes, Provides Neutral Color and High Contrast, Proprietary Mylar Filter Material, Filters 99.999%... more

Sigma 105mm Protector Filter AFK9A0

Free Express Shipping! Sigma 105mm Protector Filter Clear Protection Filter, Prevents Damage to Lens, 1x Filter Factor, +0 Stop, No Effect on Image, Black Rimmed, Optical Glass Construction, Multi-Coated, Aluminum-Alloy Filter Ring, 105mm Front Filter... more

Sigma 86mm Protector Filter AFI9A0

Free Express Shipping! Sigma 86mm Protector Filter Clear Protection Filter, Prevents Damage to Lens, 1x Filter Factor, +0 Stop, No Effect on Image, Black Rimmed, Optical Glass Construction, Multi-Coated, Aluminum-Alloy Filter Ring, 86mm Front Filter... more

Celestron 2.5x Luminos 2" Barlow Lens 93436

Free Express Shipping! Celestron 2.5x Luminos 2" Barlow Lens 2.5x Magnification, 2" Barrel Diameter, Fully Multicoated Optics, Holds 1.25" and 2" Eyepieces, Threaded for 2" Eyepiece Filters, Anodized Aluminum Housing, Brass Compression Rings, Knurled... more

Celestron Off-Axis Guider 93648

Celestron Off-Axis Guider 93648. The Celestron Off-Axis Lens Guider is an essential astroimaging accessory for long focal length telescopes that require the most accurate guiding possible. It uses a prism to intercept a small portion of the telescope s... more

Celestron Off-Axis Guider 93648

Celestron Off-Axis Guider 93648. The Celestron Off-Axis Lens Guider is an essential astroimaging accessory for long focal length telescopes that require the most accurate guiding possible. It uses a prism to intercept a small portion of the telescope s... more

Pentax SMC XW 14mm Eyepiece (1.25") 70515

Free Express Shipping! Pentax SMC XW 14mm Eyepiece (1.25") For Select Pentax Spotting Scopes, For Telescopes That Use 1.25" Eyepieces, Wide 70° Angle of View, Low-Dispersion Lanthanum Glass Lenses, 7 Element/6 Group Lens Configuration, Produces a... more

Canon 18x50 IS Image Stabilized Binoculars 4624A002

Free Express Shipping! Canon 18x50 IS Image Stabilized Binoculars Weatherproof Housing, Wide Angle, Porro Prism, 3.7° Angle of View, ±0.7° Image Stabilization, Field-Flattening Lenses, UD Ultralow-Dispersion Element, Accepts 58mm Filters and Lens... more

Walmeck LENS Power Telescope Scope Moon Filter 3X Telescope Scope 5×24 Telescope 150X Power 5×24 Scope Moon 150X Power Telescope 3X Barlow Lens 70mm Telescope 150X Filter 3X Barlow Scope Moon Filter

70mm Astronomical Telescope 150X High Power Monocular Telescope Refractor Spotting Scope with 5×24 Finder Scope Tripod Moon Filter 3X Barlow Lens for Star Gazing Bird Watching Camping Refractive astronomical telescope with 70mm aperture and 300mm... more

Carevas LENS 70mm Telescope 150X Telescope Scope 5×24 Moon Filter 3X Scope Moon Filter 3X Barlow Lens Telescope 150X Power 5×24 Scope Moon Scope 5×24 Scope 150X Power Telescope Power Telescope Scope

70mm Astronomical Telescope 150X High Power Monocular Telescope Refractor Spotting Scope with 5×24 Finder Scope Tripod Moon Filter 3X Barlow Lens for Star Gazing Bird Watching Camping Refractive astronomical telescope with 70mm aperture and 300mm... more

Htovila Spyglass 150X Power Telescope Power Telescope Scope Telescope 150X Power 70mm Telescope 150X 5×24 Scope Moon 3X Barlow Lens Telescope Scope 5×24 Moon Filter 3X Filter 3X Barlow dsfen ERYUE

70mm Astronomical Telescope 150X High Power Monocular Telescope Refractor Spotting Scope with 5×24 Finder Scope Tripod Moon Filter 3X Barlow Lens for Star Gazing Bird Watching Camping Refractive astronomical telescope with 70mm aperture and 300mm... more