The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang AF 35mm F2.8 FE and the Sony FE 40mm F2.5 G 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. Sony FE 40mm F2.5 G is the longer of the two lenses at 45mm. The Samyang AF 35mm F2.8 FE with a length of 33mm, is 12mm shorter. Besides being longer, the Sony FE 40mm F2.5 G also has a larger diameter of 68mm compared to the Samyang AF 35mm F2.8 FE's 62mm diameter.
tt
Below you can find a scaled side-by-side image of Samyang AF 35mm F2.8 FE and Sony FE 40mm F2.5 G to get a better idea of how their sizes compare in real life.
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. Samyang AF 35mm F2.8 FE weighs 85g, which means it is 88g (50%) lighter than the Sony FE 40mm F2.5 G which has a weight of 173g.
Filter Threads
Both the Samyang AF 35mm F2.8 FE and the Sony FE 40mm F2.5 G have the same Filter thread size of 49mm.
Below are links to the 49mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Samyang AF 35mm F2.8 FE and the Sony FE 40mm F2.5 G has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A9 III, Sony A7C Mark II and Sony A7CR.
Focal Range
Samyang AF 35mm F2.8 FE is a prime lens with fixed focal lenght of 35mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
52.5mm.
On the other hand, the Sony FE 40mm F2.5 G is a prime lens with fixed focal lenght of 40mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 60mm.