The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony E 10-18mm F4 OSS and the Pentax 12-24mm F4.0 ED AL 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 12-24mm F4.0 ED AL is the longer of the two lenses at 84mm. The Sony E 10-18mm F4 OSS with a length of 64mm, is 20mm shorter. Besides being longer, the Pentax 12-24mm F4.0 ED AL also has a larger diameter of 88mm compared to the Sony E 10-18mm F4 OSS's 70mm 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 10-18mm F4 OSS weighs 225g, which means it is 205g (47%) lighter than the Pentax 12-24mm F4.0 ED AL which has a weight of 430g.
Filter Threads
The Sony E 10-18mm F4 OSS has a filter size of 62mm whereas the Pentax 12-24mm F4.0 ED AL 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 62mm filters that we recommend you to consider for the Sony E 10-18mm F4 OSS:
And these are the 77mm filters that we recommend for the Pentax 12-24mm F4.0 ED AL:
Lens Mounts
The Sony E 10-18mm F4 OSS has the Sony E lens mount whereas the Pentax 12-24mm F4.0 ED AL 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 E 10-18mm F4 OSS has a focal range of 10-18mm and
1.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
15-27mm when used on a APS-C / DX format camera.
On the other hand, the Pentax 12-24mm F4.0 ED AL has a focal range of 12-24mm and 2.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 18-36mm when used on a APS-C / DX format camera.
