AI Lens to M4/3 Lens Mount Stepping Ring(Black) Filter-Screen & Keyboard Cover It has long use and

It has long use and standby time with low power consumption

5cm * 9cm * 2cm / 7

all these can be your photography locations as long as you have the AK-R21 and imagination

Carton Size 90cm * 43cm * 64cm / 35

Portable and convenient to use(Plug and Play)

AI Lens to M4/3 Lens Mount Stepping Ring(Black) Filter-Screen & Keyboard Cover It has long use and1) AI Lens to M4 3 Lens Mount Stepping Ring 2) It is easy to install, remove and use 3) It is durable and reliable for long term use 4) It is made of metal 5) A useful thing to achieve optimal shooting effect 6) With lock pin and stop screw. 7) Please note Although the lens will fit physically, automatic diaphragm, auto focusing, or any other functions will not operate correctly while using this adapter. Specification: Package Weight One Package