Pentax 40mm F2.8 XS Lens is a Fixed aperture Auto Focus (AF)
Standard Prime lens with APS-C / DX max sensor coverage, and it is designed to be used with
KAF Mount cameras.
What type of photography is the Pentax 40mm F2.8 XS Lens lens good for?
The type of photography that you are planning to use the Pentax 40mm F2.8 XS Lens is an important decision factor. Here we have evaluated its suitability to various photography scenarios:
Lenses in Pentax KAF Mount with Same Focal and Aperture Range
Reasons to Buy Pentax smc DA 40mm F2.8 XS Lens Lens
Here we've included a summary of the advantages and disadvantages of the Pentax smc DA 40mm F2.8 XS Lens lens in a list form to help you determine whether it offers the features you need.
| Autofocus |
| Light weight at only 45g / 1.6 oz |
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Buy Pentax 40mm F2.8 XS Lens from Amazon or B&H PHOTO
| No Weather Sealing |
| Hood is not supplied |
Lens Mount
Pentax 40mm F2.8 XS Lens is compatible with cameras that have a Pentax KAF lens mount. Some of the latest released cameras that are compatible with the Pentax KAF lenses are Pentax K-3 III Monochrome, Pentax KF and Pentax K-3 III.
Size, Weight and Filter Thread
Size and weight is a very important decision factor when searching for your next lens. Pentax 40mm F2.8 XS Lens has a maximum diameter of 63mm and total length of 9mm. It weighs 45g / 1.6 oz.
Focal Range
Pentax 40mm F2.8 XS Lens has a fixed focal length of 40mm which has a 35mm equivalent focal range of 60mm when used on a APS-C / DX format camera.
Optical Image Stabilization
Pentax 40mm F2.8 XS Lens doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).
Maximum Magnification Ratio
Pentax 40mm F2.8 XS Lens has a Max Magnification Ratio of 0.13x and has a minimum focusing distance of 0.4m. 0.13x means that the max magnification ratio is very low and not suitable even for modest close-up shots.
Below are the 3 Standard Prime type Pentax KAF mount lens alternatives with highest max magnification ratios:
Aperture
Pentax 40mm F2.8 XS Lens has a max aperture of F2.8 and a minimum aperture of F22.0.
Optical Formula
Pentax 40mm F2.8 XS Lens's optical formula consists of 5 elements in 4 groups .
Lens Hood
Pentax 40mm F2.8 XS Lens doesn't come with a lens hood.
Body Colour
Pentax 40mm F2.8 XS Lens is available in Black color.
Popular Comparisons of Pentax 40mm F2.8 XS Lens
Here are the eight most popular comparisons of the Pentax 40mm F2.8 XS Lens amongst Camera Decision readers.
Top Alternatives of Pentax 40mm F2.8 XS Lens Lens
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