... brand) Origin: Yunnan, China Specification: 12x50 blue film magnification: 12 times (real rate) Net Weight: 800g lens: 50mm eyepiece ... , width central 180mm, thickness 55mm. Color: Black Material: telescope dedicated engineering materials, delicate touch, comfort, elegant appearance, fine ... clear and comfortable vision large field of view. 12 plating layer lens broadband blue membrane, the open field ...