The Python Rangemaster 12x52 monocular is an impressive optical device, featuring high-level glass treatments and a large 52mm objective lens. These specifications result in a remarkable light ...

and a 52mm filter thread. Each lens boasts what Artralab is calling a Low Reflective Multilayer Coating, weighs 285g, and is built from an aluminum alloy. Artralab says the optics are ...