Pentax 15mm f/4 ED AL Limited SMC DA

Lens Reviews / Pentax Lenses i Lab tested
Lens Specifications
Name Pentax 15mm ƒ/4 ED AL Limited SMC DA
Image Circle APS-C
Type Wide Prime
Focal Length 15mm
APS Equivalent 23mm
Max Aperture ƒ/4
Min Aperture ƒ/22
Diaphragm Blades 7
Lens Construction 8 elements in 6 groups
Diagonal Angle of View(Based on image circle) 86 degrees
Focus Details Internal, with "Quick-Shift" focus system
Front Element Rotation No
Zoom System n/a
Closest Focus 18cm / 7.1 in.
Magnification Ratio 0.15x / 1:6.7
Filter Size 49mm
Dimensions(Length x Diameter) 39.5mm x 63mm / 1.58 in. x 2.5 in.
Weight 212g / 7.47 oz
Notes Hood is built-in, pullout type
Typical Online Price US$650 (Avail. April 2009)