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DA 16-45/4 AL ED

General Description

This is the first Pentax lens specifially designed for the smaller image circle of the Pentax digital SLRs. It features the new "Quick-Shift-Focus-System" which allows manual focus-corrections in AF mode.

Product Information
Exact Namesmc PENTAX-DA 1:4(22) 16-45mm ED -AL-
Colorblack
Years of Production2003 ~ still in production
Availabilityavailable new
Catalog Number21507
Sold with Hoodbayonet hood: PH-RBL67
Sold with Case

Technical Specifications

Optics
Optical Formula13 elements in 10 groups
Aperture Rangef/4 ~ f/22
Number of Aperture Blades8
Minimum Focusing Distance0.28 m
Maximum Magnification0.26 X
Special Featuresaspherical element(s), extra-low dispersion element(s)
Mechanics
Filter Diameter67 mm
Maximum Diameter72 mm
Length92 mm
Weight365 g
Accessories
Capplastic clip-on cap, 67 mm
Fitting Hood(s)bayonet hood: PH-RBL67
Fitting Case(s)soft case: S90-140

Subjective Evaluation

Informal user tests indicate that the lens is very sharp and contrasty, with flare and distortion also being very well controlled. There are, however, high levels of cromatic aperation at 16 mm, but they can be easily "cured" in the appropriate post-processing software.