Compatibility: This M42-SA Lens Mount Adapter is Compatible with Sigma SD7 SD9 SD10 SD14 Cameras
Product Material: This product is specially designed with brass and aluminum materials, which has a high service life and is not easy to damage.
Easy to install: It can be directly replaced without adjustment, with perfect compatibility and high reliability.
If your camera displays "Lens is not installed correctly", please modify the camera menu settings. Usually called "Release shutter when lens is not installed", you can modify the settings to allow this operation. Please refer to the camera manual for details.
Although the lens can be physically installed, the automatic aperture, autofocus or any other function will not be available when using this adapter. There are no electronic contacts in the adapter. Fully manual operation, manual focus, manual aperture adjustment can be achieved through manual exposure and aperture priority exposure of the body.