The SMC Pentax DA 40mm XS is based on the optical design of the SMC Pentax DA 40mm Limited, but its exterior is designed by Marc Newson

so as to match the design of the K-01 mirrorless camera. The lens will work with Pentax DSLRs.

It is smaller being only 9.2 mm thick. The aperture blades are rounded which produces a smooth bokeh.

The front element has SP coating which repels dust, water and grease and which makes it easier to wipe the front element clean.

Image Format

Focal Length

Largest Aperture

Closest Focus

Max. Magnification

APS-C

40 mm

f/2.8

40cm (1.31ft)

0.13x

Aperture Ring

Diaphragm

Smallest Aperture

Internal Focusing

Autofocus

No

9 blades, rounded, automatic

f/22

No

Yes (screw drive)

Optical Constructio n

Filter Size

Hood

Case

Quick-shift

5 elements, 4 groups

27 mm

None

No

Field of View (Diag)

Field of View (Hor)

Diam x Length

Weight

Other features

39 degrees (APS-C)

33 degrees (APS-C)

62.9 x 9.2 mm (2.5 x 0.36 in.)

52 g (1.8oz)

SP Coating

Sharpness:9.2

Aberrations:8.1

Bokeh:9.1

Autofocus : 9.4

Handling:9.1/10 -Value:9,9/10