The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon EF 70-300 F4-5.6 IS II USM and the Zeiss Otus 85mm F1.4 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 70-300 F4-5.6 IS II USM is the longer of the two lenses at 146mm. The Zeiss Otus 85mm F1.4 with a length of 138mm, is 8mm shorter. On the other hand, the Zeiss Otus 85mm F1.4 has a larger diameter of 101mm compared to the Canon EF 70-300 F4-5.6 IS II USM's 80mm diameter.
Below you can find a scaled side-by-side image of Canon EF 70-300 F4-5.6 IS II USM and Zeiss Otus 85mm F1.4 to get a better idea of how their sizes compare in real life.
Comparison image of the Canon EF 70-300 F4-5.6 IS II USM and the Zeiss Otus 85mm F1.4 Size and Weight 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. Canon EF 70-300 F4-5.6 IS II USM weighs 710g, which means it is 490g (40%) lighter than the Zeiss Otus 85mm F1.4 which has a weight of 1200g.
Filter Threads
The Canon EF 70-300 F4-5.6 IS II USM has a filter size of 67mm whereas the Zeiss Otus 85mm F1.4 has a 86mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Canon EF 70-300 F4-5.6 IS II USM:
And these are the 86mm filters that we recommend for the Zeiss Otus 85mm F1.4:
Lens Mounts
Both the Canon EF 70-300 F4-5.6 IS II USM and the Zeiss Otus 85mm F1.4 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 .
Nikon F (FX) , Sony E , Canon RF and Nikon Z mounts.
Focal Range
Canon EF 70-300 F4-5.6 IS II USM has a focal range of 70-300mm and
4.3X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
112 - 480mm .
On the other hand, the Zeiss Otus 85mm F1.4 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 .
