Pentax HD DA 20-40mm F2.8-4 ED Limited DC WR

COMPARISON SELECTION (3 selected items max.)

in P-Mpix
Focal:20 - 25 - 30 - 35 - 40
Aperture: 2.8 - 4 - 5.6 - 8 - 11 - 22
Focal:20 - 25 - 30 - 35 - 40

in EV

in EV
Focal:20 - 25 - 30 - 35 - 40
Aperture: 2.8 - 4 - 5.6 - 8 - 11 - 22

in micrometer