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| Anzid FMC HD Waterproof monocular Binoculars |
Anzid 12X50 High Definition Zoom BAK4 Prism Monocular High Power and FMC HD Mono Waterproof with Smartphone Stand and Tripod for Bird Watching, Camping, Hiking, Travel
BAK-4 publication is better
The BAK-4 primer represents a higher index of refraction, a clearer field-of-view edge and the circular shape of the output pupil, which means more light entering the entire field of view.
12X50 HD high performance zoom
You can do it with one hand, the field of view is wider, the image is clearer and brighter, the true magnification is 12 times, the eye diameter is 23 mm, the FMC lens is on five coated layers, the objective lens is 50 mm in diameter.
Fully multi-coated FMC lens
Compared to observation telescopes coated in blue, FMC (all lens surfaces have many coatings) aims to improve image clarity and brightness and help you see the subject more clearly and clearly.