DA 40mm f/2.8 Limited

The smc Pentax-DA 40mm f/2.8 Limited is a

pancake lens A pancake lens is colloquial term for a flat, thin camera lens assembly (short barrel). The majority are a prime lens of normal or slightly wider angle of view. Some are zoom lenses. Motivation Pancake lenses are primarily valued for providing ...

for the

Pentax K-mount The Pentax K-mount, sometimes referred to as the "PK-mount", is a bayonet lens mount standard for mounting interchangeable photographic lenses to 35 mm single-lens reflex (SLR) cameras. It was created by Pentax in 1975, and has since been u ...

. At only 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.

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 thick, released by Pentax on February 2, 2012. It features an aesthetic design by

Marc Newson Marc Andrew Newson CBE RDI (born 20 October 1963) is an industrial designer who works in aircraft cabin design, product design, furniture design, jewellery, and clothing. His style uses smooth geometric lines, translucency, strength, transpar ...

to match the

Pentax K-01 Pentax K-01 is a mirrorless interchangeable-lens camera announced in February 2012. It uses the Pentax K mount. The camera was listed as discontinued in February 2013, but the following July was reintroduced to the Japanese market in a new whi ...

. It is currently one of the thinnest

autofocus An autofocus (or AF) optical system uses a sensor, a control system and a motor to focus on an automatically or manually selected point or area. An electronic rangefinder has a display instead of the motor; the adjustment of the optical system ...

es ever made. File:Pentax K-01(White×Black).jpg, DA 40mm f2.8 XS mounted on

DA 40mm f/2.8 Limited

DA 40mm f/2.8 XS

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