The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang AF 75mm F1.8 FE and the Carl Zeiss Tele-Tessar 4/85 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 Tele-Tessar 4/85 ZM is the longer of the two lenses at 95mm. The Samyang AF 75mm F1.8 FE with a length of 69mm, is 26mm shorter. On the other hand, the Samyang AF 75mm F1.8 FE has a larger diameter of 65mm compared to the Carl Zeiss Tele-Tessar 4/85 ZM's 54mm 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. Samyang AF 75mm F1.8 FE weighs 230g, which means it is 80g (25%) lighter than the Carl Zeiss Tele-Tessar 4/85 ZM which has a weight of 310g.
Filter Threads
The Samyang AF 75mm F1.8 FE has a filter size of 58mm whereas the Carl Zeiss Tele-Tessar 4/85 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 58mm filters that we recommend you to consider for the Samyang AF 75mm F1.8 FE:
And these are the 43mm filters that we recommend for the Carl Zeiss Tele-Tessar 4/85 ZM:
Lens Mounts
The Samyang AF 75mm F1.8 FE has the Sony E lens mount whereas the Carl Zeiss Tele-Tessar 4/85 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
Samyang AF 75mm F1.8 FE is a prime lens with fixed focal lenght of 75mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
112.5mm.
On the other hand, the Carl Zeiss Tele-Tessar 4/85 ZM is a prime lens with fixed focal lenght of 85mm.
