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Pentax DA 16-45mm lens

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Pentax smc DA 16-45mm F4 ED AL
Mounted on a Pentax K10D
MakerPentax
Lens mount(s)Pentax KAF
Technical data
TypeZoom
Focus driveScrewdrive
Focal length16-45mm
Focal length (35mm equiv.)24-68mm
Aperture (max/min)f/4.0 / f/22
Close focus distance0.28 metres (0.92 ft)
Max. magnification0.25
Diaphragm blades6
Construction13 elements in 10 groups
Features
Manual focus overrideYes Yes
Weather-sealingNo No
Lens-based stabilizationNo No
Aperture ringNo No
Physical
Diameter72 millimetres (2.8 in)
Weight356 grams (0.785 lb)
Filter diameter67mm
Accessories
Lens hoodPH-RBL Petal type
History
Introduction2003

The Pentax smc DA 16-45mm F4 ED AL is a standard zoom lens for Pentax K-mount, announced by Pentax on December 9, 2003. It has a constant maximum aperture of f/4.

References