The Pentax-M 75-150mm f4 is a light and small manual telephoto zoom for Pentax-K mount. It comes with a dedicated 2x teleconverter which makes this zoom a powerful 150-300mm telephoto lens. ...
2x teleconverter (TC) with glass element, from TOYO Optics, in Pentax K mount. Can fit any Pentax K lenses, and be placed directly between your Pentax K film camera and the lens, or between...
