Binoculars & Telescopes › 20 mm

NKPRSTF1000 PROSTAFF 1000 The PROSTAFF 1000 6x20 Laser Rangefinder puts a soli... NKPRSTF1000 PROSTAFF 1000 The PROSTAFF 1000 6x20 Laser Rangefinder puts a solid 1 000-yard maximum ranging capability into your hand together with compact ergonomics that will fit your pocket. The 6x optical system makes seeing—and ranging—deer out... more

Explore Scientific 68 Deg. 20mm Argon-Purged Waterproof Eyepiece 1.25 Barrel Explore Scientific 68 Deg. 20mm Argon-Purged Waterproof Eyepiece 1.25 Barrel more

Features: Very suitable for broad moon and medium-sized star cluster observati... Features: Very suitable for broad moon and medium-sized star cluster observations. Soft rubber to protect eyes particularly convenient for the glasses wearers. Highly achromatic to enhance the details of Jupiter Saturn Mars Venus and planets. Precisely... more

The PROSTAFF 1000i 6x 20mm Laser Rangefinder features ID (Incline/Decline) Tec... The PROSTAFF 1000i 6x 20mm Laser Rangefinder features ID (Incline/Decline) Technologywith a Horizontal Distance / Actual Distance display mode that can be easily switched depending upon your preference. With a solid 1,000-yard maximum ranging... more

Explore Scientific 20mm 68 degree Series Argon-Purged Waterproof Eyepiece EPWP... Explore Scientific 20mm 68 degree Series Argon-Purged Waterproof Eyepiece EPWP6820-01. This eyepiece by the professionals at Explore Scientific uses advanced computer design combinations of low dispersion and high refractive index optical glasses and... more

Pentax Weatherproof XW 20mm Extra Wide Eyepiece w/1.25in Barrel 70516. These S... Pentax Weatherproof XW 20mm Extra Wide Eyepiece w/1.25in Barrel 70516. 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

The Monovid with 8 x magnification fits in your jacket, shirt, or trouser pock... The Monovid with 8 x magnification fits in your jacket, shirt, or trouser pocket. It is light, robust, and brilliantly easy to use, making it the perfect take-anywhere companion. Naturally, it is also a choice among all who appreciate elegantly... more

Infiray Affo AP09 Handheld Monoculars 1.3x9mm 20mm Eye Relief Grey Medium IRAY... Infiray Affo AP09 Handheld Monoculars 1.3x9mm 20mm Eye Relief Grey Medium IRAY-AP09. The AFFO Series uses a self-developed 12um detector to produce crisp images and supports photo taking and video recording. With OLED display screen the contrast is... more

The PROSTAFF 1000 6x 20mm Laser Rangefinder puts a solid 1,000-yard maximum ra... The PROSTAFF 1000 6x 20mm Laser Rangefinder puts a solid 1,000-yard maximum ranging capability into your hand, together with compact ergonomics that will fit your pocket. The 6x optical system makes seeing, and ranging, deer out to 600 yards a reality,... more

Free Express Shipping! Tele Vue Plossl 20mm Eyepiece (1.25") 20mm Focal Length... Free Express Shipping! Tele Vue Plossl 20mm Eyepiece (1.25") 20mm Focal Length, 50° Apparent Field of View, 1.25" Diameter Barrel, Ideal for Fast Focal Ratio OTAs, Diffraction-Limiting High-Index Glass, Multi-Coated Optics with Blackened Edges,... more

Free Express Shipping! Explore Scientific 68° Series 20mm Eyepiece (1.25") 20m... Free Express Shipping! Explore Scientific 68° Series 20mm Eyepiece (1.25") 20mm Focal Length, 68° Field of View, 1.25" Diameter Barrel, Fully Multi-coated Optics, Argon-Filled, Water and Fogproof, Slip-Resistant Textured Surface, Fold-Down Eyecup more

Free Express Shipping! Pentax SMC XW 20mm Eyepiece (1.25") For Select Pentax S... Free Express Shipping! Pentax SMC XW 20mm 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, 6 Element/4 Group Lens Configuration, Produces a Low... more

Explore Scientific 20mm 68 degree Series Argon-Purged Waterproof Eyepiece EPWP... Explore Scientific 20mm 68 degree Series Argon-Purged Waterproof Eyepiece EPWP6820-01. This eyepiece by the professionals at Explore Scientific uses advanced computer design combinations of low dispersion and high refractive index optical glasses and... more

8 x 20mm magnification Near Focus Monocular with a soft protective case and ey... 8 x 20mm magnification Near Focus Monocular with a soft protective case and eyecup. Includes detachable neck cord. Measures 98mm H x 34mm W. Weighs 112g. Adjusting the focus is easy; just look at the subject rotate the focusing ring until the subject... more

Looking for Telescope Accessories? Explore Scientific 62 degree 20mm Long Eye ... Looking for Telescope Accessories? Explore Scientific 62 degree 20mm Long Eye Relief Waterproof Eyepiece EPWP6220L delivers great quality for a great price. All of the features you need for a price you want from Explore Scientific. Don t look further... more

Description: 20X 32X Magnification: Two replaceable eyepiece(12.5mm 20mm) in t... Description: 20X 32X Magnification: Two replaceable eyepiece(12.5mm 20mm) in this refractor . The magnification of the 20mm eyepiece is 20X 12.5mm eyepiece is 32X. Light collection force: 150X. 40mm : With 400mm focal length and 60mm can collect more... 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 Eyepiece Port: 4.7x2.8 cm/1.85x1.10 inch Package Contents: 1 x Telescope Eyepiece Only the above package content other products are not included. Note:... 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 Eyepiece Port: 4.7x2.8 cm/1.85x1.10 inch Package Contents: 1 x Telescope Eyepiece Only the above package content other products are not included. Note:... more

Description: 1.25 /31.75mm Astronomy Telescope Eyepiece Lens Wide Angle . Perf... Description: 1.25 /31.75mm Astronomy Telescope Eyepiece Lens Wide Angle . Perfect for Moon Jupiter Mars and other planet observation star cluster cloudy nebula and deep sky objects. Wide-angle Field of View:-wide view and detailed for the planet and... more

Description: Astronomical Telescope: This refractor scope is a compact and uni... Description: Astronomical Telescope: This refractor scope is a compact and universal telescope with bright image quality and high magnification power. Design: 300mm focal length and 70mm apertures more clear viewing multi coated increase light... more