The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony E 55-210mm F4.5-6.3 OSS and the Sony Zeiss FE 50mm F1.4 ZA for their suitability to various photography scenarios:
Size and Weight Comparison
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 55-210mm F4.5-6.3 OSS weighs 345g, which means it is 433g (55%) lighter than the Sony Zeiss FE 50mm F1.4 ZA which has a weight of 778g.
Filter Threads
The Sony E 55-210mm F4.5-6.3 OSS has a filter size of 49mm whereas the Sony Zeiss FE 50mm F1.4 ZA has a 72mm 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 Sony E 55-210mm F4.5-6.3 OSS:
And these are the 72mm filters that we recommend for the Sony Zeiss FE 50mm F1.4 ZA:
Lens Mounts
Both the Sony E 55-210mm F4.5-6.3 OSS and the Sony Zeiss FE 50mm F1.4 ZA has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A6700, Sony FX30 and Sony ZV-E10.
Focal Range
Sony E 55-210mm F4.5-6.3 OSS has a focal range of 55-210mm and
3.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
82.5-315mm when used on a APS-C / DX format camera.
On the other hand, the Sony Zeiss FE 50mm F1.4 ZA 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.