The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Fujifilm 55-200mm F3.5-4.8 R LM OIS and the HD Pentax-D FA 50mm F1.4 SDM AW 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 55-200mm F3.5-4.8 R LM OIS is the longer of the two lenses at 118mm. The HD Pentax-D FA 50mm F1.4 SDM AW with a length of 106mm, is 12mm shorter. On the other hand, the HD Pentax-D FA 50mm F1.4 SDM AW has a larger diameter of 80mm compared to the Fujifilm 55-200mm F3.5-4.8 R LM OIS's 75mm diameter.
Below you can find a scaled side-by-side image of Fujifilm 55-200mm F3.5-4.8 R LM OIS and HD Pentax-D FA 50mm F1.4 SDM AW to get a better idea of how their sizes compare in real life.
Comparison image of the Fujifilm 55-200mm F3.5-4.8 R LM OIS and the HD Pentax-D FA 50mm F1.4 SDM AW Size and Weight 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. Fujifilm 55-200mm F3.5-4.8 R LM OIS weighs 580g, which means it is 330g (36%) lighter than the HD Pentax-D FA 50mm F1.4 SDM AW which has a weight of 910g.
Lens Mounts
The Fujifilm 55-200mm F3.5-4.8 R LM OIS has the Fujifilm X lens mount whereas the HD Pentax-D FA 50mm F1.4 SDM AW has the Pentax KAF3 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 Pentax K-3 III Mono , Pentax KF and Pentax K-3 III for the Pentax KAF3 Mount.
Focal Range
Fujifilm 55-200mm F3.5-4.8 R LM OIS has a focal range of 55-200mm and
3.6X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
82.5-300mm when used on a APS-C / DX format camera.
On the other hand, the HD Pentax-D FA 50mm F1.4 SDM AW is a prime lens with fixed focal lenght of 50mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 75mm .
