Pentax DA 40mm lens

smc Pentax-DA 40mm f/2.8 Limited
MakerPentax
Technical data
TypePrime
Focal length40mm
Focal length (35mm equiv.)60mm
Crop factor1.5
Aperture (max/min)f/2.8 / f/22
Close focus distance15.7 inches (0.40 m)
Max. magnification0.13x
Diaphragm blades9
Construction5 elements in 4 groups
Features
Manual focus overrideYes Yes
Unique featuresPancake lens
ApplicationNormal lens
Physical
Max. length0.6 inches (15 mm)
Diameter2.5 inches (64 mm)
Weight3.2 oz (91 g)
Filter diameter49mm (30.5mm on hood)
Accessories
Lens hoodMH-RC 49mm
CaseDA 40mm Lens Soft Case
Angle of view
Diagonal39°
History
Introduction2004
Retail info
MSRP$499.95 USD

DA 40mm f/2.8 Limited

The smc Pentax-DA 40mm f/2.8 Limited is a pancake lens for the Pentax K-mount. At only 0.6 inches (15 mm) long, it was the smallest lens made by Pentax until the 40mm XS lens was introduced. The lens has a 35mm equivalent focal length of 60mm; it is part of the Limited series of high-performance compact lenses. In August 2013 it was re-released with improved lens coatings and rounded aperture blades as HD Pentax-DA 40mm f/2.8 Limited.[1]

DA 40mm f/2.8 XS

The SMC Pentax-DA 40mm f/2.8 XS is an even thinner version of the SMC DA 40mm lens, at 9.1 millimetres (0.36 in) thick, released by Pentax on February 2, 2012. It features an aesthetic design by Marc Newson[2][3] to match the Pentax K-01. It is currently one of the thinnest autofocus pancake lenses ever made.

References

  1. PentaxForums.com. "HD vs. SMC Pentax Limited Primes Review". Retrieved 7 October 2015.
  2. PentaxForums.com. "PENTAX Imaging: PENTAX - smc PENTAX-DA 40mm F2.8 XS Lens". Archived from the original on 11 May 2012. Retrieved 2 February 2012.
  3. PhotographyLife.com (26 February 2016). "Pentax smc DA 40mm f/2.8 XS". Retrieved 2018-02-11.


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