Vivitar 7MM-P Instruction Manual page 5

Your VIV-7MM-P lens mount is uniquely designed for Pentax cameras.
Attaching Your Lens to Your Camera
Hold the hood locking area of the lens gently, and align the lens mounting reference point or
line with the lens ring mount of the camera. Next, push the lens into the camera and turn the
lens softly until it makes a clicking sound, and the depth of field scale is positioned on the
upper part of the camera.
Detaching Your Lens from Your Camera
Hold the hood locking area of the lens gently, and press the lens release button on the
camera. Turn the lens in the opposite direction as when attaching, and carefully pull it out.
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