The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony E 16-55mm F2.8 G and the Pentax smc 16-50mm F2.8 ED 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 E 16-55mm F2.8 G is the longer of the two lenses at 100mm. The Pentax smc 16-50mm F2.8 ED with a length of 99mm, is 1mm shorter. On the other hand, the Pentax smc 16-50mm F2.8 ED has a larger diameter of 84mm compared to the Sony E 16-55mm F2.8 G's 73mm 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. Sony E 16-55mm F2.8 G weighs 494g, which means it is 71g (12%) lighter than the Pentax smc 16-50mm F2.8 ED which has a weight of 565g.
Filter Threads
The Sony E 16-55mm F2.8 G has a filter size of 67mm whereas the Pentax smc 16-50mm F2.8 ED 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 Sony E 16-55mm F2.8 G:
And these are the 77mm filters that we recommend for the Pentax smc 16-50mm F2.8 ED:
Lens Mounts
The Sony E 16-55mm F2.8 G has the Sony E lens mount whereas the Pentax smc 16-50mm F2.8 ED has the Pentax KAF2 lens mount. Some of the latest released cameras that are compatible with these mounts are Sony ZV-E10 II, Sony A6700 and Sony FX30 for the Sony E Mount and , and for the Pentax KAF2 Mount.
Focal Range
Sony E 16-55mm F2.8 G 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.
On the other hand, the Pentax smc 16-50mm F2.8 ED has a focal range of 16-50mm and 3.1X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 24-75mm when used on a APS-C / DX format camera.
