Binoculars & Telescopes › 40 mm › Wide Field View Binoculars

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

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

Ricoh Imaging is pleased to announce the release of the XW30-R and XW40-R eyep... Ricoh Imaging is pleased to announce the release of the XW30-R and XW40-R eyepieces as part of the Sports Optics Line. These eyepieces are specially designed to offer an excellent field of view while the fully multi-coated lenses increase light... more

Ricoh Pentax XW40-R 40mm Extra Wide Eyepiece w/ 2in Barrel Black Medium 70538.... Ricoh Pentax XW40-R 40mm Extra Wide Eyepiece w/ 2in Barrel Black Medium 70538. Provides exceptional performance with fully multi-coated lenses and extra-low dispersion lanthanum glass to deliver high-contrast full-field images. The light-shielding... 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

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! Celestron E-Lux 40mm Kellner Eyepiece (2") 40mm Focal L... Free Express Shipping! Celestron E-Lux 40mm Kellner Eyepiece (2") 40mm Focal Length, 56° Apparent Field of View, 2" Diameter Barrel, Fully Multicoated Optics, Black Anodized Housing, 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

1�Eyepiece construction: Wide angle and long view relief providing more comp... 1�Eyepiece construction: Wide angle and long view relief providing more complete field of view and comfortable viewing experience. 2�1.25 inch 40mm eyepiece provides the widest field of view with additional clarity and long view. 3�Full metal... 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

Description: Engineered with high quality and offering a generous apparent fie... Description: Engineered with high quality and offering a generous apparent field of view;perfect for lunar observations;medium sized star clusters; of cloudy nebulas and . Soft rubber custom fitted with a bayonet mount and folds down for the... more

Description: 40mm Metal Objective Lens Honeycomb . Eliminate outside the field... Description: 40mm Metal Objective Lens Honeycomb . Eliminate outside the field of view. Accessory for the astronomy objective lens. Help to observe the moon planet nebula，deep sky objects and scenery more clearly. Made from high qualiuty full metal... more

Using advanced computer design combinations of low dispersion and high refract... Using advanced computer design combinations of low dispersion and high refractive index optical glasses and durable multilayer deposition coatings Explore Scientific 68° Series Argon-Purged Waterproof extreme wide field eyepieces are optimized to... 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