The all-metal adapter is designed to fit the lens securely, yet can still be removed easily when not needed. High-tolerance precision craftsmanship; infinity focus or beyond allowed.
 
* Features: Although the lens will fit physically, automatic diaphragm (AE metering), or other auto functions are not retained using this adapter. Both camera-side and lens-side of the adapter are made of brass, precision-machined and plated with chromium. Precise fit and solid connection - lens has no play, gap or wiggling when mounted on adapter and no adjustments are required to fit your lens. Designed to reach infinity focus while maintaining the correct registration distance required to support CRC lenses or lenses with floating elements.
 
Introduction: For using various mount lens with C mount (16mm) film devices.
 
* You should remember that the pusher with the fixed ring doesn’t work, so diaphragm control of the lens is set manually.  It is possible to use Macro rings and other accessories.
 
Usage: Match the dots of the adapter and lens together. Turn the adapter anticlockwise till click sound is heard. Removal: To remove the adapter press the release pin and turn the adapter clockwise.