The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 50mm F2.5 G and the Carl Zeiss Planar T2/50 ZM 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. Carl Zeiss Planar T2/50 ZM is the longer of the two lenses at 68mm. The Sony FE 50mm F2.5 G with a length of 45mm, is 23mm shorter. On the other hand, the Sony FE 50mm F2.5 G has a larger diameter of 68mm compared to the Carl Zeiss Planar T2/50 ZM's 52mm 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 FE 50mm F2.5 G weighs 174g, which means it is 56g (24%) lighter than the Carl Zeiss Planar T2/50 ZM which has a weight of 230g.
Filter Threads
The Sony FE 50mm F2.5 G has a filter size of 49mm whereas the Carl Zeiss Planar T2/50 ZM has a 43mm 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 FE 50mm F2.5 G:
And these are the 43mm filters that we recommend for the Carl Zeiss Planar T2/50 ZM:
Lens Mounts
The Sony FE 50mm F2.5 G has the Sony E lens mount whereas the Carl Zeiss Planar T2/50 ZM has the Leica M 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 Leica M EV1, Leica M11-D and Pixii Max for the Leica M Mount.
Focal Range
Both lenses have the same focal range of
50mm but while Sony FE 50mm F2.5 G has the fastest aperture of
F2.5, the Carl Zeiss Planar T2/50 ZM's widest aperture value is
F2.0.
