FMC Multi coated Lens BAK-4 Prism
What is a prism in binoculars?
A type of reflection prism to alter the orientation of an image
Why BAK4 prism?
BAK-4 prism is considered the best prism as its made of superior optical glass and has a higher refractive index.
What is FMC in binoculars?
All glass surfaces have multi-layer coating,resulting in light transmission of over 96%.
Why coat the lenses?
With lens coating, more light can pass through,increasing the brightness of your views.