The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Pentax 40mm F2.8 XS Lens and the Pentax 40mm F2.8 L 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 40mm F2.8 L is the longer of the two lenses at 15mm. The Pentax 40mm F2.8 XS Lens with a length of 9mm, is 6mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 63mm.
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 40mm F2.8 XS Lens weighs 45g, which means it is 45g (50%) lighter than the Pentax 40mm F2.8 L which has a weight of 90g.
Below you can find the dimension and weight table of the Standard Prime Lenses in Pentax KAF Mount for size comparison purposes.
Standard Lenses in Pentax KAF Mount for Size Comparison
Lens Mounts
Both the Pentax 40mm F2.8 XS Lens and the Pentax 40mm F2.8 L has the same Pentax KAF lens mount. Some of the latest released cameras that are compatible with the Pentax KAF lenses are Pentax K-3 III Mono, Pentax KF and Pentax K-3 III.
Pentax 40mm F2.8 L is also available in Pentax KAF mount.
Focal Range
Both lenses have the same focal range of
40mm and the fastest aperture of
F2.8.
