Lachesis 20x50 HD Binoculars Compact Binoculars Professional Binoculars with Night Vision Adjustable

Lachesis 20x50 HD Binoculars Compact Binoculars Professional Binoculars with Night Vision Adjustable Description

[Professional Binoculars] - The design of the bak-4 prism and multi-layer coating ensure better brightness, contrast and quality. Compared with bak-7, the bak-5 prism has a better performance. Its refractive index is higher and it can effectively avoid a dark angle. Thus, the image is clearer and brighter. [Powerful Adult Binoculars] - The large eyepiece has better visibility and greater visibility. The larger objective lens has more light, higher brightness and a wider field of view. If the objective lens size is less than 41 mm, the vision and darkness are poor.