The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang AF 24mm F1.8 FE and the Sigma 16mm F1.4 DC DN E for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Sigma 16mm F1.4 DC DN E is the longer of the two lenses at 92mm. The Samyang AF 24mm F1.8 FE with a length of 72mm is 20mm shorter. Besides being longer, the Sigma 16mm F1.4 DC DN E also has a larger diameter of 72mm compared to Samyang AF 24mm F1.8 FE's 65mm diameter.
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. Samyang AF 24mm F1.8 FE weighs 230g, which means it is 175g (43%) lighter than the Sigma 16mm F1.4 DC DN E which has a weight of 405g.
Below you can find the dimension and weight table of the 'Wideangle Prime Lenses in Sony E Mount for size comparison purposes.
Wideangle Prime Lenses in Sony E Mount for Size Comparison
Both Samyang AF 24mm F1.8 FE and Sigma 16mm F1.4 DC DN E has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A7R V, Sony FX30 and Sony A7 IV.
Samyang AF 24mm F1.8 FE is a prime lens with fixed focal lenght of 24mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 36mm.
Sigma 16mm F1.4 DC DN E is a prime lens with fixed focal lenght of 16mm which has an effective (full-frame 35mm equivalent) focal range of 24mm when used on a APS-C / DX format camera.