Dotline T-Mount Adapter for Vivitar/Pentax K mount

T-Mount adapter for Vivitar/Pentax K mount for use with T-Mount 35mm lenses.

Interchangeable mount adapters for those lenses and accessories which allow for their use. To use, unscrew the old adapter, screw-on the adapter being very careful not to cross thread the mount, and then install on the camera. If not aligned, loosen the adjusting screws with a jeweler's screwdriver, turn the accessory to proper alignment, and then re-tighten the screws.

Specifically for use with the following Vivitar Series 1 Lenses:

Vivitar Series 1 - 500mm Mirror Telephoto Zoom Lens
Vivitar Series 1 - 650 - 1300mm Telephoto Zoom Lens