The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Zeiss Loxia 25mm F2.4 and the Sony E 16mm F2.8 Pancake 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 Loxia 25mm F2.4 is the longer of the two lenses at 75mm. The Sony E 16mm F2.8 Pancake with a length of 23mm, is 52mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 62mm.
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 E 16mm F2.8 Pancake weighs 74g, 81% (319g) lighter than the Zeiss Loxia 25mm F2.4's weight of 393g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Sony E Mount for size comparison purposes.
Wideangle Lenses in Sony E Mount for Size Comparison
Filter Threads
The Zeiss Loxia 25mm F2.4 has a filter size of 52mm whereas the Sony E 16mm F2.8 Pancake has a 49mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 52mm filters that we recommend you to consider for the Zeiss Loxia 25mm F2.4:
And these are the 49mm filters that we recommend for the Sony E 16mm F2.8 Pancake:
Lens Mounts
Both the Zeiss Loxia 25mm F2.4 and the Sony E 16mm F2.8 Pancake 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
Zeiss Loxia 25mm F2.4 is a prime lens with fixed focal lenght of 25mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
37.5mm.
On the other hand, the Sony E 16mm F2.8 Pancake 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.
