The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Zeiss Batis 135mm F2.8 and the Zeiss Batis 85mm F1.8 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. Zeiss Batis 135mm F2.8 is the longer of the two lenses at 120mm. The Zeiss Batis 85mm F1.8 with a length of 78mm, is 42mm shorter. On the other hand, the Zeiss Batis 85mm F1.8 has a larger diameter of 105mm compared to the Zeiss Batis 135mm F2.8's 98mm 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 Batis 85mm F1.8 weighs 475g, 22% (139g) lighter than the Zeiss Batis 135mm F2.8's weight of 614g.
Below you can find the dimension and weight table of the Telephoto Prime Lenses in Sony E Mount for size comparison purposes.
Telephoto Lenses in Sony E Mount for Size Comparison
Filter Threads
Both the Zeiss Batis 135mm F2.8 and the Zeiss Batis 85mm F1.8 have the same Filter thread size of 67mm.
Below are links to the 67mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Zeiss Batis 135mm F2.8 and the Zeiss Batis 85mm F1.8 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
Zeiss Batis 135mm F2.8 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 Zeiss Batis 85mm F1.8 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.