Optically constructed of 9 elements in 6 groups Aperture range of T1.5 - T30 Uses 77mm filter size Features ultra multi-coated glass and 9 aperture blades Angle of view of 46.2 degrees on full frame and 31.3 degrees on APS-C Mounting type: Canon EF The new Samyang 50mm T1.5 VDSLR MK2 Wide Angle Cine Lens is one of Samyang's newly introduced 3rd generation of cine lenses under its VDSLR MK2 line. With a new compact and sleek design with a matte black finish the Samyang VDSLR MK2 line has built on the previous generations of the VDSLR lines. The new 9 blade aperture delivers a smooth circular bokeh. Enhanced lens markings with focal lengths are visible from the sides of the lenses. The focusing gear has a wider design that feels more comfortable when focusing by hand. New weather sealed lens mounts protect the most vulnerable gap between the lens and camera mount. Samyang VDSLR MK2 lenses are fully compatible in terms of color rendition and gear placement with Samyang VDSLR II lenses.