Binoculars & Telescopes › 40 mm

American Defense Manufacturing AD-RECON-S 30 MOA Scope Mount Standard Lever Bl... American Defense Manufacturing AD-RECON-S 30 MOA Scope Mount Standard Lever Black 40mm AD-RECON-S-30MOA 40 STD. 5 oz Condition: New Package Contents: American Defense Manufacturing AD-RECON-S 30 MOA Scope Mount American Defense Manufacturing... more

The 4.5x 40 mm Bushnell Equinox Z2 Night Vision Monocular enables you to see t... The 4.5x 40 mm Bushnell Equinox Z2 Night Vision Monocular enables you to see targets up to 750 ft. away day or night with a powerful built in IR illuminator. Stream live video from the unit directly to your mobile device. You can also control... more

Description: Engineered with high quality and offering a generous 48 degreeapp... Description: Engineered with high quality and offering a generous 48 degreeapparent field of view;perfect for lunar observations;medium sized star clusters;provide a wide range of cloudy nebulas and deep sky . Soft rubber eye guard that is custom... more

100% brand new and high quality Features: Made of high-quality aluminum alloy ... 100% brand new and high quality Features: Made of high-quality aluminum alloy material durable and long service life. It is suitable for the mounting plate of astronomical telescope and can also be used as the handle of astronomical telescope. Mounting... more

Butler Creek Element Scope Cap Objective 40 mm Black ESC40. With these Rifle S... Butler Creek Element Scope Cap Objective 40 mm Black ESC40. With these Rifle Scope Accessories by Butler Creek you get a data disk that has wind and elevation info printed on it so you can properly calculate your shots with precise details. This Butler... more

Explore Scientific 40mm 68 degree Series Argon-Purged Waterproof Eyepiece EPWP... Explore Scientific 40mm 68 degree Series Argon-Purged Waterproof Eyepiece EPWP6840-01. This eyepiece by the professionals at Explore Scientific uses advanced computer design combinations of low dispersion and high refractive index optical glasses and... more

The black10x40 BlackhawkMonocular from Barska combinesportability and weatherp... The black10x40 BlackhawkMonocular from Barska combinesportability and weatherproofing into a versatile lightweightoptic. This configuration of the Blackhawk monocular features10x magnification, a 60 wide-angle apparent field of view,and multicoated... more

Free Express Shipping! Explore Scientific 52° Series 40mm Eyepiece (2") 40mm F... Free Express Shipping! Explore Scientific 52° Series 40mm Eyepiece (2") 40mm Focal Length, 52° Apparent Field of View, 2" Diameter Barrel, Fully EMD Multi-Coated Optics, Argon-Filled, Water and Fogproof, Slip-Resistant Textured Surface, Fold-Down Eyecup more

Free Express Shipping! Tele Vue Plossl 40mm Eyepiece (1.25") 40mm Focal Length... Free Express Shipping! Tele Vue Plossl 40mm Eyepiece (1.25") 40mm Focal Length, 43° 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! Pentax XW40-R 40mm Wide-Angle Eyepiece (2") 40mm Focal ... Free Express Shipping! Pentax XW40-R 40mm Wide-Angle Eyepiece (2") 40mm Focal Length, Wide 70° Field of View, Extra-Low-Dispersion Lanthanum Glass, Large 2" Diameter Nosepiece, Exceptional 20mm Eye Relief, Fully Multi-Coated & Phase Coated,... more

Athlon Optics Midas CF40 40mm Tube Carbon Fiber Tripod Black/Tan 706005. Solid... Athlon Optics Midas CF40 40mm Tube Carbon Fiber Tripod Black/Tan 706005. Solid. Stability. Athlons carbon fiber tripods come ready to support your rifle with the included bowl mount or ball head. The ball head features Friction Control Fluid Pan... more

Explore Scientific 40mm 68 degree Series Argon-Purged Waterproof Eyepiece EPWP... Explore Scientific 40mm 68 degree Series Argon-Purged Waterproof Eyepiece EPWP6840-01. This eyepiece by the professionals at Explore Scientific uses advanced computer design combinations of low dispersion and high refractive index optical glasses and... more

Explore Scientific 62 degree 40mm Long Eye Relief Waterproof Eyepiece EPWP6240... Explore Scientific 62 degree 40mm Long Eye Relief Waterproof Eyepiece EPWP6240LE-01. 25-inch O.D. Specifications for Explore Scientific 62 Degree Waterproof Eyepiece: Manufacturer: Explore Scientific Condition: New Color: Black Included Accessories:... more

Product Description Super telephoto lens monocular: The telescope s anti-shake... Product Description Super telephoto lens monocular: The telescope s anti-shake system and special tripod 3D gyroscope make the telescope s field of view very stable when magnified multiple times. Small light night vision: The built-in night vision... more

Explore Scientific 68 Deg. 40mm Argon-Purged Waterproof Eyepiece 2 Barrel Explore Scientific 68 Deg. 40mm Argon-Purged Waterproof Eyepiece 2 Barrel more

GALILEO G-SFB40 Solar Filter Cap designed to fit Cassini and Galileo 40mm Bino... GALILEO G-SFB40 Solar Filter Cap designed to fit Cassini and Galileo 40mm Binoculars.Filter CAP... measurement is approximately 2 (51mm inner diameter) in width.Measure the outside diameter size of the binocular at the objective lens. Should measure 50... 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 light the... more

The Galileo G-840WA features 40mm objective lenses and brings images 8 times c... The Galileo G-840WA features 40mm objective lenses and brings images 8 times closer to you than the naked eye. The G-840WA features a Wide Angle design increasing the Field of View (FOV) to 430′! allowing you to get up close and still see it all. The... more

The Cassini C-P8 8 x40mm Porro Prism Binocular is unequaled in performance and... The Cassini C-P8 8 x40mm Porro Prism Binocular is unequaled in performance and value on today’s binocular market. Comparable to other brand binoculars costing twice the price its durable construction and superior optical quality will deliver optimum... more

Smithsonian 40mm Refractor Telescope w/Table Top Tripod Smithsonian 40mm Refractor Telescope w/Table Top Tripod more