HD Pentax-DA 40mm f/2.8 Limited - Sample Images
Info and Reviews:
Introduced: 2013
Optical design: 5 elements in 4 groups
Lens mount: Pentax K (KAF)
Covers: Made for APS-C but apparently can cover full-frame (24x36 mm)
More info / Review:
http://www.pentaxforums.com/lensreviews/hd-pentax-da-40mm-f2.8-limited.html
https://www.ephotozine.com/article/pentax-hd-pentax-da-40mm-f-2-8-limited-lens-review-23356
Image Origin
ISO: 100
Aperture @: f/3.5
Camera: Pentax K-S1
Image Origin
ISO: 100
Aperture @: f/11
Camera: Pentax K-3
Image Origin
ISO: 100
Aperture @: f/5.6
Camera: Pentax K-S1
Image Origin
ISO: 100
Aperture @: f/8
Camera: Pentax K-S1
Image Origin
ISO: 200
Aperture @: f/5.6
Camera: Pentax K-S1
Image Origin
ISO: 100
Aperture @: f/5.6
Camera: Pentax K-S1
Image Origin
ISO: 100
Aperture @: f/5.6
Camera: Pentax K-S1
Image Origin
ISO: 200
Aperture @: f/8
Camera: Pentax K-S1
Image Origin
ISO: 400
Aperture @: f/2.8
Camera: Pentax K-S1
Image Origin
ISO: 1600
Aperture @: f/2.8
Camera: Pentax K-S1
Image Origin
ISO: 100
Aperture @: f/2.8
Camera: Pentax K-S1
Image Origin
ISO: 200
Aperture @: f/2.8
Camera: Pentax K-S1
Image Origin
ISO: 200
Aperture @: f/5.6
Camera: Pentax K-S1
Image Origin
ISO: 200
Aperture @: f/8
Camera: Pentax K-S1