The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Pentax 70mm F2.4 AL L and the Fujifilm XF 56mm F1.2 R WR 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. Fujifilm XF 56mm F1.2 R WR is the longer of the two lenses at 76mm. The Pentax 70mm F2.4 AL L with a length of 26mm, is 50mm shorter. Besides being longer, the Fujifilm XF 56mm F1.2 R WR also has a larger diameter of 80mm compared to the Pentax 70mm F2.4 AL L'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. Pentax 70mm F2.4 AL L weighs 147g, which means it is 298g (66%) lighter than the Fujifilm XF 56mm F1.2 R WR which has a weight of 445g.
Filter Threads
The Pentax 70mm F2.4 AL L has a filter size of 49mm whereas the Fujifilm XF 56mm F1.2 R WR has a 67mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 49mm filters that we recommend you to consider for the Pentax 70mm F2.4 AL L:
And these are the 67mm filters that we recommend for the Fujifilm XF 56mm F1.2 R WR:
Lens Mounts
The Pentax 70mm F2.4 AL L has the Pentax KAF lens mount whereas the Fujifilm XF 56mm F1.2 R WR has the Fujifilm X lens mount. Some of the latest released cameras that are compatible with these mounts are Pentax K-3 III Mono, Pentax KF and Pentax K-3 III for the Pentax KAF Mount and Fujifilm X-T30 III, Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount.
Pentax 70mm F2.4 AL L is also available in the Pentax KAF mount.
Focal Range
Pentax 70mm F2.4 AL L is a prime lens with fixed focal lenght of 70mm which has an effective (full-frame 35mm equivalent) focal range of
105mm when used on a APS-C / DX format camera.
On the other hand, the Fujifilm XF 56mm F1.2 R WR is a prime lens with fixed focal lenght of 56mm which has an effective (full-frame 35mm equivalent) focal range of 84mm when used on a APS-C / DX format camera.
