Astronomical Telescope Binoculars 10X40 Low-Light Visual Wide-Angle Professional Telescope BAK4 Optical Lens Compact for Astronomical Bird Watching

Details

• Clearer details: BAK4 can improve the light transmittance, and full multi-coated lens ensures high-definition visual, key elements of the bright vision and clear images.
• The compact prism binoculars: a 10-fold magnification and a large field of view, designed for outdoor activities (such as mountain climbing, hiking, driving, watching wildlife and landscape) and design can also be used to watch the large theater, concerts, football competitions.
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• Clear low-light vision: a unobscured exit pupil large diameter, a long exit pupil distance properties. Can clearly comfortable viewing target at dusk or wear glasses.
• Coating objective: an objective lens of the optical glass, through a complex multi-layer coating process, different colors show different viewing angles, high transmittance, clear image.