The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang AF 135mm F1.8 FE and the Sony FE 55mm F1.8 ZA CZ 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. Samyang AF 135mm F1.8 FE is the longer of the two lenses at 130mm. The Sony FE 55mm F1.8 ZA CZ with a length of 71mm, is 59mm shorter. Besides being longer, the Samyang AF 135mm F1.8 FE also has a larger diameter of 93mm compared to the Sony FE 55mm F1.8 ZA CZ's 64mm diameter.
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Below you can find a scaled side-by-side image of Samyang AF 135mm F1.8 FE and Sony FE 55mm F1.8 ZA CZ to get a better idea of how their sizes compare in real life.
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 55mm F1.8 ZA CZ weighs 281g, 63% (491g) lighter than the Samyang AF 135mm F1.8 FE's weight of 772g.
Filter Threads
The Samyang AF 135mm F1.8 FE has a filter size of 82mm whereas the Sony FE 55mm F1.8 ZA CZ 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 82mm filters that we recommend you to consider for the Samyang AF 135mm F1.8 FE:
And these are the 49mm filters that we recommend for the Sony FE 55mm F1.8 ZA CZ:
Lens Mounts
Both the Samyang AF 135mm F1.8 FE and the Sony FE 55mm F1.8 ZA CZ has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A9 III, Sony A7C Mark II and Sony A7CR.
Focal Range
Samyang AF 135mm F1.8 FE is a prime lens with fixed focal lenght of 135mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
202.5mm.
On the other hand, the Sony FE 55mm F1.8 ZA CZ is a prime lens with fixed focal lenght of 55mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 82.5mm.