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 Loxia 85mm F2.4 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. Pentax-D FA 85mm F1.4 ED SDM AW is the longer of the two lenses at 124mm. The Zeiss Loxia 85mm F2.4 with a length of 95mm, is 29mm shorter. Besides being longer, the Pentax-D FA 85mm F1.4 ED SDM AW also has a larger diameter of 95mm compared to the Zeiss Loxia 85mm F2.4's 63mm 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 Loxia 85mm F2.4 weighs 594g, 52% (661g) 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 Loxia 85mm F2.4 has a 52mm 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 52mm filters that we recommend for the Zeiss Loxia 85mm F2.4:
Lens Mounts
The Pentax-D FA 85mm F1.4 ED SDM AW has the Pentax KAF4 lens mount whereas the Zeiss Loxia 85mm F2.4 has the Sony E lens mount. Some of the latest released cameras that are compatible with these mounts are , and for the Pentax KAF4 Mount and Sony A9 III, Sony A7C Mark II and Sony A7CR for the Sony E Mount.
Focal Range
Both lenses have the same focal range of
85mm but while Pentax-D FA 85mm F1.4 ED SDM AW has the fastest aperture of
F1.4, the Zeiss Loxia 85mm F2.4's widest aperture value is
F2.4.