Last updated (19 July’10):
– Review by Photodo
The Pentax DA 40mm f/2.8 features 40mm at focal length with maximum aperture of F/2.8. The lens construction has 5 elements in 4 groups and has diagonal angle of view at 39 degrees. Closest focusing distance at 15.7 inches (0.4m) and has a filter size of 49mm. The Pentax DA 40mm f/2.8 lens weighs 3.2 oz. (90g) and it measures 2.5 inches in diameter and 0.6 inches long.
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