Pentax 40mm F2.8 L 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 Pentax KAF mount cameras.
What type of photography is the Pentax 40mm F2.8 L lens good for?
The type of photography that you are planning to use the Pentax 40mm F2.8 L is an important decision factor. Here we have evaluated its suitability to various photography scenarios:
| Photography Type |
Suitability |
| Bird/Wildlife | Fair |
| Sports | Fair |
| Portrait | Very Good |
| Travel | Average |
| Street | Good |
| Wedding | Very Good |
| Walk Around | Average |
| Vlogging | Average |
| Landscape | Average |
| Macro | Poor |
Lenses in Pentax KAF Mount with Same Focal and Aperture Range
Reasons to Buy HD Pentax DA 40mm F2.8 Limited Lens
Here, we've included a summary of the advantages and disadvantages of the HD Pentax DA 40mm F2.8 Limited lens in a list form to help you determine whether it offers the features you need.
| Autofocus |
| Distance Scale |
| Hood supplied |
| Full-time Manual Focusing |
| 9 Diaphragm Blades |
| Light weight at only 80g / 2.8 oz |
Report a correction
Buy Pentax 40mm F2.8 L from Amazon or B&H PHOTO
We couldn't find any significant Cons for HD Pentax DA 40mm F2.8 Limited
Lens Mount
Pentax 40mm F2.8 L is compatible with cameras that have Pentax KAF lens mount. Some of the latest released cameras that are compatible with the Pentax KAF lenses are Pentax KF, Pentax K-3 III and Pentax KP.
Pentax 40mm F2.8 L is also available in Pentax KAF mount.
Size, Weight and Filter Thread
Size and weight is a very important decision factor when searching for your next lens. Pentax 40mm F2.8 L has a maximum diameter of 63mm and total length of 15mm. It weighs 80g / 2.8 oz.
Pentax 40mm F2.8 L has a filter thread of 49mm.
Focal Range
Pentax 40mm F2.8 L has a fixed focal lenght 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 L 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 L 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.
Aperture
Pentax 40mm F2.8 L has a max aperture of F2.8 and a minimum aperture of F22.0.
Optical Formula
Pentax 40mm F2.8 L's optical formula consists of 5 elements in 4 groups . Special elements used in this design is High-grade multi-layer HD (High Definition) Coating.
Lens Hood
Pentax 40mm F2.8 L comes with a removable lens hood which is handy to reduce lens flare and glare in your photos. The model number of the hood is MH-RE49.
Body Colour
Pentax 40mm F2.8 L is available in Black and Silver color.
Popular Comparisons of Pentax 40mm F2.8 L
Here is the eight most popular comparisons of Pentax 40mm F2.8 L amongst Camera Decision readers.
Top Alternatives of Pentax 40mm F2.8 L Lens
Related Blog Posts
**This post contains affiliate links and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.