This Auto Sears Model 202, 7377600, Macro Zoom Camera Lens is perfect for capturing stunning photographs. It is compatible with Pentax cameras and has a maximum aperture of f4.0. The lens is a standard type and has a focal length that can be adjusted through its zoom feature. The lens mount is for Pentax K cameras and it is compatible with a 55mm filter size. The lens is perfect for photography enthusiasts and professionals alike.