1、Main Function: The NF‑M4/3 adapter ring can install the AI mount lens for Nikon to the M4/3 mount mirrorless camera body, such as for GF1, for GF2, for GF3, for GF4, for Olympus E‑M1, E‑P1, E‑P2, E‑P3, etc. 2、Aperture Dial: With aperture dial, you can manually adjust the aperture size, it does not support auto focus. 3、Matting Treatment: The interior is matted to prevent reflections from affecting the imaging. 4、Alloy Material: Made of high quality alloy material, the lens mount adapter is durable, wear resistant and anti scratch to the lens. 5、Small and Portable: Small size, the lens mount adapter is portable, easy to install and convenient to use. Item Type: NF‑M4/3 Lens Mount Adapter Material: Alloy Product Color: As Pictures Shown Product Weight: Approx. 209g / 7.4oz Mount: AI Mount, M4/3 Mount Applicable Lens: Suitable for Nikon AI Mount lens Applicable Models: Suitable for camera body with M4/3 mount, for GF1, for GF2, for GF3, for GF4, for GF5, for GF6, for G1, for G2, for G3, for G6, for GX1, for GX7, for GH1, for GH2, for GH3, for GH4, for GH5 for Olympus E-M1, E-P1, E-P2, E-P3, E-P5, E-5, E-PM1, E-PM2, OM-D, E-M5, E-PL1, E-PL2, E-PL3, E-PL5 1 x Lens Mount Adapter