The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Pentax DA 50-135mm F2.8 ED and the Fujifilm 16-55mm F2.8 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 DA 50-135mm F2.8 ED is the longer of the two lenses at 136mm. The Fujifilm 16-55mm F2.8 with a length of 106mm, is 30mm shorter. On the other hand, the Fujifilm 16-55mm F2.8 has a larger diameter of 83mm compared to the Pentax DA 50-135mm F2.8 ED's 77mm 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. Fujifilm 16-55mm F2.8 weighs 655g, 4% (30g) lighter than the Pentax DA 50-135mm F2.8 ED's weight of 685g.
Filter Threads
The Pentax DA 50-135mm F2.8 ED has a filter size of 67mm whereas the Fujifilm 16-55mm F2.8 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 Pentax DA 50-135mm F2.8 ED:
And these are the 77mm filters that we recommend for the Fujifilm 16-55mm F2.8:
Lens Mounts
The Pentax DA 50-135mm F2.8 ED has the Pentax KAF2 lens mount whereas the Fujifilm 16-55mm F2.8 has the Fujifilm X lens mount. Some of the latest released cameras that are compatible with these mounts are , and for the Pentax KAF2 Mount and Fujifilm X-T30 III, Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount.
Focal Range
Pentax DA 50-135mm F2.8 ED has a focal range of 50-135mm and
2.7X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
75-202.5mm when used on a APS-C / DX format camera.
On the other hand, the Fujifilm 16-55mm F2.8 has a focal range of 16-55mm and 3.4X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 24-82.5mm when used on a APS-C / DX format camera.
