The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Zeiss Loxia 85mm F2.4 and the Sony 50mm F1.4 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 85mm F2.4 is the longer of the two lenses at 95mm. The Sony 50mm F1.4 with a length of 43mm, is 52mm shorter. On the other hand, the Sony 50mm F1.4 has a larger diameter of 66mm compared to the Zeiss Loxia 85mm F2.4's 63mm 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. Sony 50mm F1.4 weighs 222g, 62% (372g) lighter than the Zeiss Loxia 85mm F2.4's weight of 594g.
Filter Threads
The Zeiss Loxia 85mm F2.4 has a filter size of 52mm whereas the Sony 50mm F1.4 has a 55mm 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 85mm F2.4:
And these are the 55mm filters that we recommend for the Sony 50mm F1.4:
Lens Mounts
The Zeiss Loxia 85mm F2.4 has the Sony E lens mount whereas the Sony 50mm F1.4 has the Sony Alpha lens mount. Some of the latest released cameras that are compatible with these mounts are Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount and Sony A99 II, Sony A68 and Sony A77 II for the Sony Alpha Mount.
Focal Range
Zeiss Loxia 85mm F2.4 is a prime lens with fixed focal lenght of 85mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
127.5mm.
On the other hand, the Sony 50mm F1.4 is a prime lens with fixed focal lenght of 50mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 75mm.
