The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony DT 16-50mm F2.8 SSM 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. Pentax smc 16-50mm F2.8 ED is the longer of the two lenses at 99mm. The Sony DT 16-50mm F2.8 SSM with a length of 88mm, is 11mm shorter. Besides being longer, the Pentax smc 16-50mm F2.8 ED also has a larger diameter of 84mm compared to the Sony DT 16-50mm F2.8 SSM's 81mm 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 smc 16-50mm F2.8 ED weighs 565g, 2% (12g) lighter than the Sony DT 16-50mm F2.8 SSM's weight of 577g.
Filter Threads
The Sony DT 16-50mm F2.8 SSM has a filter size of 72mm 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 72mm filters that we recommend you to consider for the Sony DT 16-50mm F2.8 SSM:
And these are the 77mm filters that we recommend for the Pentax smc 16-50mm F2.8 ED:
Lens Mounts
The Sony DT 16-50mm F2.8 SSM has the Sony Alpha 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 A68, Sony A77 II and Sony A58 for the Sony Alpha Mount and , and for the Pentax KAF2 Mount.
Focal Range
Both lenses have the same focal range of
16-50mm and the fastest aperture of
F2.8.
