Lets devote today’s optics area to very light photo lens Rokinon 85M 85mm f/1.4. It is produced in variants for following cameras’ mounts : Micro Four Thirds ( Panasonic and Olympus cameras ), Canon, Fujufilm X-Mount, Nikon F, Nikon AE, Pentax, Samsung NX, Sony A-Mount and Sony E-Mount. Its 80 mm focus is fixed, aperture can be set in f/1.4 – f/22 range; focusing ( it is internal and does not alters lens length ) and aperture settings are manual. Minimal focusing distance is 1 m; field of view is 28.3 degrees; there is ability to attach to it 72 mm optical filters; it can work with full frame 35 mm optical sensors. Photo lens has built-in 9 lens elements in 7 groups, one of them is aspherical for chromatic and geometric aberrations correction; all optical surfaces are covered with protective and anti-reflective multicoating. Objective lens sizes are : 78 ( diameter ) x 99.5 ( length ) mm; mass is : 565 g. Package contains : Rokinon 85M 85mm f/1.4 photo lens itself, frontal and rear caps and user’s guide. Its is very good light photo lens, which is produced in variants for majority of mounts of modern cameras and which has adequate price. For novice photographers and for video recording difficulties can be caused only by lack of auto focusing, electronic diaphragm settings and image stabilization ( which can be performed be camera itself, if it supports such function ). So, this photo lens is the most suited for experienced photographers.