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 FE 70-200mm F2.8 GM 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 70-200mm F2.8 GM is the longer of the two lenses at 200mm. The Zeiss Loxia 85mm F2.4 with a length of 95mm, is 105mm shorter. Besides being longer, the Sony FE 70-200mm F2.8 GM also has a larger diameter of 88mm 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. Zeiss Loxia 85mm F2.4 weighs 594g, which means it is 886g (59%) lighter than the Sony FE 70-200mm F2.8 GM which has a weight of 1480g.
Filter Threads
The Zeiss Loxia 85mm F2.4 has a filter size of 52mm whereas the Sony FE 70-200mm F2.8 GM has a 77mm 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 77mm filters that we recommend for the Sony FE 70-200mm F2.8 GM:
Lens Mounts
Both the Zeiss Loxia 85mm F2.4 and the Sony FE 70-200mm F2.8 GM 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 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 FE 70-200mm F2.8 GM has a focal range of 70-200mm and 2.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 105 - 300mm.
