The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon 10-24mm f3-5-4.5G ED 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. Nikon 10-24mm f3-5-4.5G ED is the longer of the two lenses at 87mm. The Pentax 12-24mm F4.0 ED AL with a length of 84mm, is 3mm shorter. On the other hand, the Pentax 12-24mm F4.0 ED AL has a larger diameter of 88mm compared to the Nikon 10-24mm f3-5-4.5G ED's 83mm 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 12-24mm F4.0 ED AL weighs 430g, 6% (30g) lighter than the Nikon 10-24mm f3-5-4.5G ED's weight of 460g.
Filter Threads
Both the Nikon 10-24mm f3-5-4.5G ED and the Pentax 12-24mm F4.0 ED AL have the same Filter thread size of 77mm.
Below are links to the 77mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Nikon 10-24mm f3-5-4.5G ED has the Nikon F (DX) 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 Nikon D3500, Nikon D7500 and Nikon D5600 for the Nikon F (DX) Mount and Pentax K-3 III Mono, Pentax KF and Pentax K-3 III for the Pentax KAF Mount.
Focal Range
Nikon 10-24mm f3-5-4.5G ED has a focal range of 10-24mm and
2.4X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
15-36mm 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.
