20x50 High-Power Binoculars, here is a breakdown of their primary features:
Optical Performance
20x Magnification: This means objects will appear 20 times closer than with the naked eye, making them excellent for long-distance spotting.
50mm Objective Lens: The large front lenses gather a significant amount of light, which is crucial for maintaining a bright image, especially in low-light conditions like dawn or dusk.
BAK4 Porro Prism: These use high-density glass prisms to ensure a circular exit pupil and superior light transmission, resulting in sharper, clearer edges.
FMC (Fully Multi-Coated) Lenses: The green-tinted lenses visible in your photo indicate anti-reflective coatings that reduce glare and improve color accuracy.