This is a very powerful telescopes, personality, unique design can be used in extreme environment is normal, just because of production in China, so the price is so low that, How to use your binocular: A:IDP adjustment: Set the interpupillary…
This is a very powerful telescopes, personality, unique design can be used in extreme environment is normal, just because of production in China, so the price is so low that, How to use your binocular: A:IDP adjustment: Set the interpupillary…