The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Zeiss Otus 85mm f1.4 and the Canon RF 85mm F1.2L USM DS 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 Otus 85mm f1.4 is the longer of the two lenses at 128mm. The Canon RF 85mm F1.2L USM DS with a length of 117mm, is 11mm shorter. On the other hand, the Canon RF 85mm F1.2L USM DS has a larger diameter of 103mm compared to the Zeiss Otus 85mm f1.4's 88mm 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 Otus 85mm f1.4 weighs 1040g, which means it is 155g (12%) lighter than the Canon RF 85mm F1.2L USM DS which has a weight of 1195g.
Below you can find the dimension and weight table of the Telephoto Prime Lenses in Canon RF Mount for size comparison purposes.
Telephoto Lenses in Canon RF Mount for Size Comparison
Filter Threads
The Zeiss Otus 85mm f1.4 has a filter size of 77mm whereas the Canon RF 85mm F1.2L USM DS has a 82mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 77mm filters that we recommend you to consider for the Zeiss Otus 85mm f1.4:
And these are the 82mm filters that we recommend for the Canon RF 85mm F1.2L USM DS:
Lens Mounts
Both the Zeiss Otus 85mm f1.4 and the Canon RF 85mm F1.2L USM DS has the same Canon RF lens mount. Some of the latest released cameras that are compatible with the Canon RF lenses are Canon R6 V, Canon R6 III and Canon C50.
Zeiss Otus 85mm f1.4 is also available in the Canon EF , Nikon F (FX), Sony E and Nikon Z mounts.
Focal Range
Both lenses have the same focal range of
85mm but while Zeiss Otus 85mm f1.4 has the fastest aperture of
F1.4, the Canon RF 85mm F1.2L USM DS's widest aperture value is
F1.2.
