The Canon CN-E 50 mm T1.3 L F Cinema Prime Lens (EF Mount) is a versatile wide-angle lens that is made for the C-series cinema cameras and the EOS full-frame DSLR cameras from Canon. The lens has an 11-blade rounded diaphragm that allows the lens to produce a gorgeous bokeh effect and circular highlights for the background of your subject. The super-smooth, stepless manual ring enables you to adjust the aperture in an accurate manner. The lens’ sharp optics and outstanding aperture allow it to shoot high-quality images and 4K-quality footage, even in poor lighting conditions. Furthermore, the barrel of this lens rotates at a 300° angle, and can be effortlessly swapped with the 85-mm and 24-mm variants.
This is the size of a front lens cap. Standard sizes for snap-on lens caps include: 27mm, 28mm, 30mm, 34mm, 37mm, 39mm, 40.5mm, 43mm, 46mm, 49mm, 52mm, 55mm, 58mm, 62mm, 67mm, 72mm, 77mm, 82mm and 86mm.