The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Pentax-D FA 85mm F1.4 ED SDM AW 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. Zeiss Otus 85mm F1.4 is the longer of the two lenses at 138mm. The Pentax-D FA 85mm F1.4 ED SDM AW with a length of 124mm, is 14mm shorter. Besides being longer, the Zeiss Otus 85mm F1.4 also has a larger diameter of 101mm compared to the Pentax-D FA 85mm F1.4 ED SDM AW's 95mm 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 1140g, 9% (115g) lighter than the Pentax-D FA 85mm F1.4 ED SDM AW's weight of 1255g.
Filter Threads
The Pentax-D FA 85mm F1.4 ED SDM AW has a filter size of 82mm 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 82mm filters that we recommend you to consider for the Pentax-D FA 85mm F1.4 ED SDM AW:
And these are the 86mm filters that we recommend for the Zeiss Otus 85mm F1.4:
Lens Mounts
The Pentax-D FA 85mm F1.4 ED SDM AW has the Pentax KAF4 lens mount whereas the Zeiss Otus 85mm F1.4 has the Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with these mounts are , and for the Pentax KAF4 Mount and Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount.
Zeiss Otus 85mm F1.4 is also available in Canon EF mount.
Focal Range
Both lenses have the same focal range of
85mm and the fastest aperture of
F1.4.