50mm lense

Brand Name:OEM, ODM All Available

Place of Origin:China

...50mm Fogproof Yes Field of view 96m/288ft. Surface Treatment Non-slip Rubber Prism Bak4 Porro MOQ 1pc Features: HD Optics The key criterion for excellent sharpness, contrast and light intensity is the quality of the prisms and lenses. Fully multi-coated optics delivers

Brand Name:OEM, ODM All Available

Place of Origin:China

... 5mm 4.17mm Interpupilary Distance 56-74 56-74 56-74 Material Magnesium Magnesium Magnesium Features: 1. 50mm Objective Lenses: 7x50 Binoculars wit

Brand Name:OEM, ODM All Available

Place of Origin:China

... Prism Bak4 Eyepiece 23mm Exit pupil Diameter 4.4mm Exit pupil distance 10.26mm OVERVIEW The objective lenses provide clear, bright and sharp images even in poor light conditions.

Brand Name:OEM/ODM

Place of Origin:CHINA

Model Number:YMT3

... 10.26mm Exit Pupil DIA. 4.4mm Weight 353g Prism Roof Bak-4 Size 45X52X165mm OVERVIEW​: All lenses are fully multi-coated optical glass to reduce chromatic dispersion; Multilayer enhanced green film makes the monocular telescope ...

Brand Name:OEM, ODM All Available

Place of Origin:China

... Refractor Telescope For Watching Moon And Planet Parameter: 1) Interchangeable 18X and 60X eyepiece lense 2) Eyepiece focal: H6mm and H20mm 3) Objective diameter: 50mm 4) Focuser: 0.965" rack-and-pinion, plastic 5) Focal Length: 360mm 6) 3X finder scope...