... adjust the lighting brightness. 7, two 150W power box light bulb can quickly switch the side of the disc, and can ... focal length: 250mm (optional 200,300,350,400)6, cold light source fiber optic coaxial illumination, the maximum illumination ≥ 50000Lx, ... continuous tone light, halogen lamp 15V, 150W, optional xenon lamp lighting.7, ...