Pentax 40mm f/2.8 XS SMC DA

Lens Reviews / Pentax Lenses i Lab tested
Lens Specifications
Name Pentax SMC DA 40mm ƒ/2.8 XS
Image Circle APS-C
Type Standard Prime
Focal Length 40mm
APS Equivalent 61mm
Max Aperture ƒ/2.8
Min Aperture ƒ/22
Diaphragm Blades 9 (rounded)
Lens Construction 5 elements in 4 groups
Diagonal Angle of View(Based on image circle) 39 degrees
Focus Details AF or MF
Front Element Rotation YES
Zoom System n/a
Closest Focus 0.4m / 1.31 ft.
Magnification Ratio 0.13x / 1:7.7
Filter Size 27mm
Dimensions(Length x Diameter) 9.2mm x 62.9mm / 0.36 in. x 2.5 in.
Weight 51g / 1.8 oz
Notes 27mm objective cap and rear cap included.
Typical Online Price US$250