Pentax 600mm F/4 SMC FA* ED IF K Mount Autofocus Lens {43 Drop-In} Built-In Hood at KEH Camera
Pentax 60-250mm F/4 SMC DA* ED IF SDM K Mount Autofocus Lens For APS-C Sensor DSLRS {67} With Tripod Foot - Used Camera Lenses at KEH Camera at KEH Camera
Setting up a 600mm F/4 lens (PENTAX FA*) on a Tripod and Gimbal. And what Tripod and Gimbal I use. - YouTube