The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang AF 35mm F1.8 FE and the Zeiss Batis 40mm F2 CF 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. Zeiss Batis 40mm F2 CF is the longer of the two lenses at 93mm. The Samyang AF 35mm F1.8 FE with a length of 64mm, is 29mm shorter. Besides being longer, the Zeiss Batis 40mm F2 CF also has a larger diameter of 91mm compared to the Samyang AF 35mm F1.8 FE's 65mm diameter.
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 F1.8 FE weighs 210g, which means it is 151g (41%) lighter than the Zeiss Batis 40mm F2 CF which has a weight of 361g.
Filter Threads
The Samyang AF 35mm F1.8 FE has a filter size of 58mm whereas the Zeiss Batis 40mm F2 CF 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 58mm filters that we recommend you to consider for the Samyang AF 35mm F1.8 FE:
And these are the 67mm filters that we recommend for the Zeiss Batis 40mm F2 CF:
Lens Mounts
Both the Samyang AF 35mm F1.8 FE and the Zeiss Batis 40mm F2 CF 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 F1.8 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 Zeiss Batis 40mm F2 CF 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.