Binoculars & Telescopes › 5 mm

PENTAX XF eyepieces offer high-refraction low-dispersion lanthanum glass eleme... PENTAX XF eyepieces offer high-refraction low-dispersion lanthanum glass elements to provide high-resolution images with minimal aberrations. PENTAX-original smc full-surface multi-layer coated optics reduce glare while providing maximum light... more

Expand your stargazing experience with the 12mm Omni Series Eyepiece from Cele... Expand your stargazing experience with the 12mm Omni Series Eyepiece from Celestron! Designed for quality and convenience the 12mm Omni Eyepiece is an ideal accessory for observing deep-sky objects. Because of its 50º apparent field of view the Omni... more

Nikon 7568 EDG 8x 32mm 409ft@1000yd FOV 18.5mm Eye Relief Black Rubber Armor T... Nikon 7568 EDG 8x 32mm 409ft@1000yd FOV 18.5mm Eye Relief Black Rubber Armor The world s greatest adventurers have trusted Nikon s legendary ED glass in Nikkor lenses to capture some of the most breathtaking imagery ever attempted. Nikon engineers have... more

Pentax Weatherproof XW 3.5mm Extra Wide Eyepiece w/1.25in Barrel 70511. These ... Pentax Weatherproof XW 3.5mm Extra Wide Eyepiece w/1.25in Barrel 70511. These Spotting Scope Accessories by Pentax are built with high-performance high-refraction extra-low-dispersion lanthanum glass elements for crystal clear images and the... more

Pentax Weatherproof XW 5mm Extra Wide Eyepiece w/1.25 Barrel 70512. These Spot... Pentax Weatherproof XW 5mm Extra Wide Eyepiece w/1.25 Barrel 70512. These Spotting Scope Accessories by Pentax are built with high-performance high-refraction extra-low-dispersion lanthanum glass elements for crystal clear images and the proprietary... more

Free Express Shipping! Tele Vue Nagler Type-6 3.5mm Eyepiece (1.25") 3.5mm Foc... Free Express Shipping! Tele Vue Nagler Type-6 3.5mm Eyepiece (1.25") 3.5mm Focal Length, 82° Field of View, 1.25" Diameter Barrel, Fully Multi-Coated Optics, 7-Element/4-Group Lens Design, Slip-Resistant Textured Surface, Fold-Down Rubber Eyecup,... more

Pentax SMC XW Spotting Scopes Eyepieces 16.5 mm 85 Angle Black 70540. The high... Pentax SMC XW Spotting Scopes Eyepieces 16.5 mm 85 Angle Black 70540. The high-performance optical design includes lanthanum glass elements with high refractive power and low dispersion to deliver a balanced image with minimal aberrations. The design... more

Free Express Shipping! Tele Vue DeLite Series 5mm Eyepiece (1.25") 5mm Focal L... Free Express Shipping! Tele Vue DeLite Series 5mm Eyepiece (1.25") 5mm Focal Length, 62° Field of View, 1.25" Diameter Barrel, Fully Multi-Coated Optics, Proprietary Locking Eyeguard, Fold-Down Eyecup, Parfocal with Group "B" Eyepieces more

Free Express Shipping! Explore Scientific 52° Series 6.5mm Eyepiece (1.25") 6.... Free Express Shipping! Explore Scientific 52° Series 6.5mm Eyepiece (1.25") 6.5mm Focal Length, 52° Apparent Field of View, 1.25" Diameter Barrel, Fully EMD Multi-Coated Optics, Argon-Filled, Water and Fogproof, Slip-Resistant Textured Surface,... more

Pentax Weatherproof XW 5mm Extra Wide Eyepiece w/1.25 Barrel 70512. These Tele... Pentax Weatherproof XW 5mm Extra Wide Eyepiece w/1.25 Barrel 70512. These Telescopes by Pentax are built with high-performance high-refraction extra-low-dispersion lanthanum glass elements for crystal clear images and the proprietary multi-layer... more

Colour:Black+silver Material:Optical glass + metal Size:0.96 inch / 24.5mm Len... Colour:Black+silver Material:Optical glass + metal Size:0.96 inch / 24.5mm Length:20 mm/0.79 inch ; 12.5 mm/0.49 inch Eyepiece Port: 4.7x2.8 cm/1.85x1.10 inch Size:4x2.7 cm/1.57x1.06 inch Eyepiece Port:24.5 mm/0.965 inch Package Contents: 2 x Telescope... more

Features: Barlow Lens 2X telescope eyepiece 1.25 Interface M42x0.75mm thread +... Features: Barlow Lens 2X telescope eyepiece 1.25 Interface M42x0.75mm thread + 6.3mm/10mm/12.5mm/20mm/32mm Plossl telescope medium power eyepiece set. 1.25 Inch Interface:universal and other telescopes. 2X High Power Magnification:more detailed at the... more

Description: .5mm Telescope Eyepiece Multi-coated 0.965 /24.5mm. Applicationï¼... Description: .5mm Telescope Eyepiece Multi-coated 0.965 /24.5mm. Application：Support all types of telescopes reflector refractor to observe the star clusters moon sky planets and other celestial bodies. 35 Degree Field of View：Wide viewing field... more

Edge-On Planetary eyepieces bring flat-field performance to solar system viewi... Edge-On Planetary eyepieces bring flat-field performance to solar system viewing in the form of six medium- and high-magnification focal lengths. Each employs a sophisticated 7-element lens design reminiscent of exotic high-priced oculars. This design... more

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plossl eyepiece telescope barlow lens plossl eyepiece set 2X Telescope Barlow ... plossl eyepiece telescope barlow lens plossl eyepiece set 2X Telescope Barlow Lens Plossl 6.3mm/10mm/12.5mm/20mm/32mm Eyepieces Specification: Features: Barlow Lens 2X telescope eyepiece 1.25 Interface M42x0.75mm thread + 6.3mm/10mm/12.5mm/20mm/32mm... more

Eyepiece Adapter :24.5mm to 31.7mm Adapter for telescope :for monocular binocu... Eyepiece Adapter :24.5mm to 31.7mm Adapter for telescope :for monocular binocular Mount Adapter: monocular telescope :for eyepiece Astronomy:Telescope Eyepiece Adapter Product Description The adapter allows one to use the more common 1.25 inch... more

Description: Fully metal construction and anodizing aluminum process durable f... Description: Fully metal construction and anodizing aluminum process durable for long time use. Use this extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners. The extension tube has a T2... more

Sijiali 2.5x17.5mm Mini Telescope Pocket Monocular HD Lens with Knuckle Finger... Sijiali 2.5x17.5mm Mini Telescope Pocket Monocular HD Lens with Knuckle Finger Ring more

X-Cel LX eyepieces optimized for planetary viewing offer a 60º field of view ... X-Cel LX eyepieces optimized for planetary viewing offer a 60º field of view through a six-element fully multi-coated lens system.Pop-up rubber eyeguards provide comfort and increase contrast. Raise and lower with a simple twist.A treaded rubber grip... more