A compact telephoto built with the precision and simplicity that defined Pentax’s M-series. The SMC Pentax-M 135mm f/3.5 is all metal, small in the hand, and optically excellent — sharp, contrasty, and easy to focus.

The Super-Multi-Coating keeps images clean and consistent, even in bright or backlit conditions, while the rendering stays neutral and well-controlled across the frame. Focus and aperture movements feel smooth and deliberate, a reminder of how well-engineered these lenses were.