The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sirui 85mm F1.4 X and the Sony FE 85mm F1.4 GM II 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. Sony FE 85mm F1.4 GM II is the longer of the two lenses at 107mm. The Sirui 85mm F1.4 X with a length of 102mm, is 5mm shorter. Besides being longer, the Sony FE 85mm F1.4 GM II also has a larger diameter of 85mm compared to the Sirui 85mm F1.4 X's 80mm 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. Sirui 85mm F1.4 X weighs 540g, which means it is 102g (15%) lighter than the Sony FE 85mm F1.4 GM II which has a weight of 642g.
Filter Threads
The Sirui 85mm F1.4 X has a filter size of 67mm whereas the Sony FE 85mm F1.4 GM II 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 67mm filters that we recommend you to consider for the Sirui 85mm F1.4 X:
And these are the 77mm filters that we recommend for the Sony FE 85mm F1.4 GM II:
Lens Mounts
The Sirui 85mm F1.4 X has the Fujifilm X lens mount whereas the Sony FE 85mm F1.4 GM II has the Sony E lens mount. Some of the latest released cameras that are compatible with these mounts are Fujifilm X-T30 III, Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount and Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount.
Focal Range
Both lenses have the same focal range of
85mm and the fastest aperture of
F1.4.