risespray 7.5mm f2.8 aps-c wide angle manual focus fish eye lens for panasonic or olympus micro4/3-mount mirrorless camera risespray <p>specifications:<br>full frame available: no, aps-c fisheye lens<br>compatible camera <br>mount: micro 4/3 cameras<br>focus scale: f2.8-22<br>closest focus distance: 0.12m<br>aperture angle: 180 degree<br>blades number: 12 <br>diaphragm bladesconstruction: 11 elements in 8 groups<br>coating: umc<br>length: 63mm<br>weight: 275g</p>