Overview and Specifications:
-The focus ring allows you to adjust by hand freely. You can change the focus of the image to create better effects and zoom on distant subjects and get that high resolution image even at a distance.
-The high quality UV lens uses multilayer coating technology to absorb ultraviolet radiation with a light transmission factor. Reduces brightness, vigor, blur and other effects. Improves sharpness of photos and color saturation. The housing is made with high quality ABS material for added brightness