The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang AF 12mm f2 E and the Sony FE 20mm F1.8 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 20mm F1.8 G is the longer of the two lenses at 85mm. The Samyang AF 12mm f2 E with a length of 65mm, is 20mm shorter. Besides being longer, the Sony FE 20mm F1.8 G also has a larger diameter of 74mm compared to the Samyang AF 12mm f2 E's 70mm diameter.
Below you can find a scaled side-by-side image of Samyang AF 12mm f2 E and Sony FE 20mm F1.8 G to get a better idea of how their sizes compare in real life.
Comparison image of the Samyang AF 12mm f2 E and the Sony FE 20mm F1.8 G Size and Weight 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 12mm f2 E weighs 224g, which means it is 149g (39%) lighter than the Sony FE 20mm F1.8 G which has a weight of 373g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Sony E Mount for size comparison purposes.
Ultra-Wideangle Sony E Mount
Filter Threads
The Samyang AF 12mm f2 E has a filter size of 62mm whereas the Sony FE 20mm F1.8 G has a 67mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 62mm filters that we recommend you to consider for the Samyang AF 12mm f2 E:
And these are the 67mm filters that we recommend for the Sony FE 20mm F1.8 G:
Lens Mounts
Both the Samyang AF 12mm f2 E and the Sony FE 20mm F1.8 G has the same Sony E lens mount . Some of the latest released cameras that are compatible with the Sony E lenses are Sony ZV-E10 II , Sony A6700 and Sony FX30 .
Focal Range
Samyang AF 12mm f2 E is a prime lens with fixed focal lenght of 12mm which has an effective (full-frame 35mm equivalent) focal range of
18mm when used on a APS-C / DX format camera.
On the other hand, the Sony FE 20mm F1.8 G is a prime lens with fixed focal lenght of 20mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 30mm .
