The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 20mm F1.8 G and the Sigma 16mm F1.4 DC DN E 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. Sigma 16mm F1.4 DC DN E is the longer of the two lenses at 92mm. The Sony FE 20mm F1.8 G with a length of 85mm, is 7mm shorter. On the other hand, the Sony FE 20mm F1.8 G has a larger diameter of 74mm compared to the Sigma 16mm F1.4 DC DN E's 72mm diameter.
Below you can find a scaled side-by-side image of Sony FE 20mm F1.8 G and Sigma 16mm F1.4 DC DN E to get a better idea of how their sizes compare in real life.
Comparison image of the Sony FE 20mm F1.8 G and the Sigma 16mm F1.4 DC DN E 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. Sony FE 20mm F1.8 G weighs 373g, which means it is 32g (7%) lighter than the Sigma 16mm F1.4 DC DN E which has a weight of 405g.
Filter Threads
Both the Sony FE 20mm F1.8 G and the Sigma 16mm F1.4 DC DN E have the same Filter thread size of 67mm .
Below are links to the 67mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Sony FE 20mm F1.8 G and the 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 FX5 , Sony A7R VI and Sony A7 V .
Focal Range
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 .
On the other hand, the 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.