Features: Suitable for Canon EOS R (RF) mount mirrorless full frame digital cameras with all Minolta MD mount lenses. This adapter gives you the ability to use your irreplaceable prime lens and saves you the cost of purchasing new lenses. The adapters are precision made to insure the perfect fit. Manual control, manual focus and manual exposure. Made of aluminum and brass, high quality and compact. Specification: Material: Aluminium + Brass Weight: Approx.94.8g/ 3.3oz Size: Approx.6*5*3cm/ 2.4*2*1.2in Compatible: Lens: for Minolta MD mount Lenses Camera: for Canon EOS R Mount Camera Package List: 1 * Lens Adapter Note: Not suitable for Canon EOS EF mount film cameras or digital SLR cameras and EOS M EF-M mount cameras. Please switch on ""Release shutter without lens"" at custom function C.Fn5 before use. Although the lens will fit physically, automatic diaphragm, auto-focusing, or any other functions will not operate correctly while using this adapter. Settings: Put red marks of the adapter and lens collar together. Turn the adapter anticlockwise till the fixative click. Mostly it will use Manual or Av mode. Removing: To remove the adapter you should unpress fixative pin and turn the adapter clockwise. 1、Suitable for Canon EOS R (RF) mount mirrorless full frame digital cameras with all Minolta MD mount lenses. 2、This adapter gives you the ability to use your irreplaceable prime lens and saves you the cost of purchasing new lenses. 3、The adapters are precision made to insure the perfect fit. 4、Manual control, manual focus and manual exposure. 5、Made of aluminum and brass, high quality and compact.