Pentax 40mm f/2.8 Limited Series Pancake Lens
The Pentax 40mm f/2.8 Limited Series Pancake Lens is part of a series of tiny lenses for Pentax K mount cameras with crop sensors, along with the Pentax 70mm f/2.4 Limited Series Lens Pancake Lens and the Pentax 21mm f/3.2 Limited Series Pancake Lens. This is the smallest of the 3 at just over a half an inch long. It sports a Super Protect coating for maximum light transmission, sharp definition, and high contrast images and also has a Quick-Shift Focus System that allows for instant shifting from AF to manual focus. This lens is ideal for traveling and street photography. It is compatible with Pentax K mount cameras with crop sensors only. It will vignette when paired with full frame sensor Pentax cameras.
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