The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony CZ T* E 24mm F1.8 ZA and the Pentax 10-17mm F3.5-4.5 ED Fisheye 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 10-17mm F3.5-4.5 ED Fisheye is the longer of the two lenses at 72mm. The Sony CZ T* E 24mm F1.8 ZA with a length of 66mm, is 6mm shorter. Besides being longer, the Pentax 10-17mm F3.5-4.5 ED Fisheye also has a larger diameter of 68mm compared to the Sony CZ T* E 24mm F1.8 ZA'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. Sony CZ T* E 24mm F1.8 ZA weighs 225g, which means it is 95g (29%) lighter than the Pentax 10-17mm F3.5-4.5 ED Fisheye which has a weight of 320g.
Lens Mounts
The Sony CZ T* E 24mm F1.8 ZA has the Sony E lens mount whereas the Pentax 10-17mm F3.5-4.5 ED Fisheye has the Pentax KAF 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 Pentax K-3 III Mono, Pentax KF and Pentax K-3 III for the Pentax KAF Mount.
Focal Range
Sony CZ T* E 24mm F1.8 ZA is a prime lens with fixed focal lenght of 24mm which has an effective (full-frame 35mm equivalent) focal range of
36mm when used on a APS-C / DX format camera.
On the other hand, the Pentax 10-17mm F3.5-4.5 ED Fisheye has a focal range of 10-17mm and 1.7X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 15-25.5mm when used on a APS-C / DX format camera.