The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Carl Zeiss Planar T1,4/85 and the Canon EF 70-200 f2.8L IS II USM 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. Canon EF 70-200 f2.8L IS II USM is the longer of the two lenses at 199mm. The Carl Zeiss Planar T1,4/85 with a length of 85mm, is 114mm shorter. Besides being longer, the Canon EF 70-200 f2.8L IS II USM also has a larger diameter of 89mm compared to the Carl Zeiss Planar T1,4/85's 78mm 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. Carl Zeiss Planar T1,4/85 weighs 700g, which means it is 790g (53%) lighter than the Canon EF 70-200 f2.8L IS II USM which has a weight of 1490g.
Filter Threads
The Carl Zeiss Planar T1,4/85 has a filter size of 72mm whereas the Canon EF 70-200 f2.8L IS II USM has a 77mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 72mm filters that we recommend you to consider for the Carl Zeiss Planar T1,4/85:
And these are the 77mm filters that we recommend for the Canon EF 70-200 f2.8L IS II USM:
Lens Mounts
Both the Carl Zeiss Planar T1,4/85 and the Canon EF 70-200 f2.8L IS II USM has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K.
Carl Zeiss Planar T1,4/85 is also available in the Pentax KAF and Nikon F (FX) mounts.
Focal Range
Carl Zeiss Planar T1,4/85 is a prime lens with fixed focal lenght of 85mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
136mm.
On the other hand, the Canon EF 70-200 f2.8L IS II USM has a focal range of 70-200mm and 2.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 112 - 320mm.