The type of photography that you are planning to use is an important decision factor. Here we have evaluated the 7Artisans FF 18mm f5.6 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 7Artisans FF 18mm f5.6 E with a length of 32mm, is 53mm shorter. Besides being longer, the Sony FE 20mm F1.8 G also has a larger diameter of 74mm compared to the 7Artisans FF 18mm f5.6 E's 61mm diameter.
Below you can find a scaled side-by-side image of 7Artisans FF 18mm f5.6 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 7Artisans FF 18mm f5.6 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. 7Artisans FF 18mm f5.6 E weighs 146g, which means it is 227g (60%) 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 7Artisans FF 18mm f5.6 E has a filter size of 49mm 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 49mm filters that we recommend you to consider for the 7Artisans FF 18mm f5.6 E:
And these are the 67mm filters that we recommend for the Sony FE 20mm F1.8 G:
Lens Mounts
Both the 7Artisans FF 18mm f5.6 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 FX5 , Sony A7R VI and Sony A7 V .
Focal Range
7Artisans FF 18mm f5.6 E is a prime lens with fixed focal lenght of 18mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
27mm .
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 .
