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DA* 16-50mm F2.8 ED AL [IF] SDM - Specifications

Product data
Article Number 21650
Release date Jan 1, 2009
Technical Specifications
Series smc
Focal Length 16 - 50mm
Equivalent to 35mm format 24 - 75mm
Maximum aperture f/2.8
Minimum aperture f/22
Angle of View 83 - 31.5 degrees
Construction 15 elements / 12 groups
Focusing Range 0.3m - infinity
Magnification 0.21X Max
Filter size 77mm
Mount PENTAX K-AF
Weight 600g
Dimensions (Length x Diameter) 98.5 - 84mm
Kit Content

Front cap
Rear cap
Lenshood
Soft case

Special Features

Weather sealed

SDM super fast autofocus

"Quick Focus" system

"Super Protect" coating

In order to discover the products which are being developped and the ones which are planned, you can download our roadmap in pdf:

To see our K-mount currently available range, please download Lenses & Accessories brochure.

Visit the PENTAX Lens Technology web page to discover more about the PENTAX lens construction.

Read more about the PENTAX Focus Function here.

You can use the PENTAX Lens Glossary to learn more about its features.

Want to know more about PENTAX lenses and how to choose the correct one ? Watch our video with professional photographer Kerrick James eplaining that there is a lens for every photographer by clicking here.

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