The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 85mm F1.4 EX DG HSM and the Samyang Premium MF 85mm F1.2 for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is a crucial factor to consider when comparing two lenses. Samyang Premium MF 85mm F1.2 is the longer of the two lenses at 98mm. The Sigma 85mm F1.4 EX DG HSM with a length of 88mm, is 10mm shorter. Besides being longer, the Samyang Premium MF 85mm F1.2 also has a larger diameter of 93mm compared to the Sigma 85mm F1.4 EX DG HSM's 86mm diameter.
The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Sigma 85mm F1.4 EX DG HSM weighs 725g, which means it is 325g (30%) lighter than the Samyang Premium MF 85mm F1.2 which has a weight of 1050g.
Below you can find the dimension and weight table of the Telephoto Prime Lenses in Canon EF Mount for size comparison purposes.
Telephoto Lenses in Canon EF Mount for Size Comparison
Lens Mounts
Both the Sigma 85mm F1.4 EX DG HSM and the Samyang Premium MF 85mm F1.2 has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Sigma 85mm F1.4 EX DG HSM is also available in Nikon F (FX) , Pentax KAF3, Sony Alpha and Sigma SA mounts.
Focal Range
Both lenses have the same focal range of
85mm but while Sigma 85mm F1.4 EX DG HSM has the fastest aperture of
F1.4, the Samyang Premium MF 85mm F1.2's widest aperture value is
F1.2.