The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony DT 35mm F1.8 SAM and the Samyang 35mm F1.4 for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is an important deciding factor when comparing two lenses. Samyang 35mm F1.4 is the longer of the two lenses at 112mm. The Sony DT 35mm F1.8 SAM with a length of 52mm, is 60mm shorter. On the other hand, the Sony DT 35mm F1.8 SAM has a larger diameter of 70mm compared to the Samyang 35mm F1.4's 63mm diameter.
The weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Sony DT 35mm F1.8 SAM weighs 170g, which means it is 490g (74%) lighter than the Samyang 35mm F1.4 which has a weight of 660g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Sony Alpha Mount for size comparison purposes.
Wideangle Prime Lenses in Sony Alpha Mount for Size Comparison
Lens Mounts
Both the Sony DT 35mm F1.8 SAM and the Samyang 35mm F1.4 has the same Sony Alpha lens mount. Some of the latest released cameras that are compatible with the Sony Alpha lenses are Sony A68, Sony A77 II and Sony A58.
Samyang 35mm F1.4 is also available in Canon EF , Nikon F (FX), Four Thirds, Pentax KAF, Sony E and Samsung NX mounts.
Focal Range
Both lenses have the same focal range of 35mm but while Sony DT 35mm F1.8 SAM has the fastest aperture of F1.8, the Samyang 35mm F1.4's widest aperture value is F1.4.