Pentax smc P-DA 21mm f/3.2 AL Limited Lens

• Pentax KAF mount

• 8 elements in 5 groups

• 68 degrees (when used with *istD series & K100D body)

• Automatic

• 7

• f/22

• TTL open-aperture metering

• 0.66' (0.2m)

• 43mm or 49m

• 0.17X

• 2.5 x 1.0" (63mm x 25mm)

• 4.9 oz. (140g) without hood; 5.5 oz. (155g) with hood