DA 18-55mm F3.5-5.6 AL WR


The smc PENTAX-DA18-55mmF3.5-5.6AL WR, features a newly designed, simplified weather-resistant construction. This zoom lens offers excellent reliability in various outdoor conditions especially in rain, fog and mist.

This standard zoom lens covers focal lengths equivalent to 27.5mm wide angle to 84.5mm moderate telephoto (in the 35mm format). Incorporating a high-performance aspherical ( AL) optical element and a super-low-dispersion glass optical element in its optics, it assures outstanding image resolution and remarkable brightness, even at the edges, while effectively compensating various aberrations.



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Simplified weather-resistant construction

The new zoom lenses feature a simplified weather-resistant construction designed to minimize the intrusion of water and moisture into the lens barrel. With these lenses mounted on PENTAX weather-resistant digital SLR camera bodies, the user is assured of improved durability and reliability while shooting in rain, fog or mist and at locations subject to a spray or splashes of water.

SP coating to block dust and dirt

The front surface of these lenses is treated with PENTAX-original SP (Super Protect) coating, which applies a special fluorine compound to the lens surface through a vapour deposition process. This SP coating not only repels dust, water and grease effectively, but it also makes it easy to wipe off fingerprints and cosmetics.

Digital-SLR-exclusive optical design

PENTAX has optimized the characteristics of these lenses including lens coating, curvature and positioning of optical elements to reproduce the finest possible digital images. As a result, they are practically free of flare and ghost images, and bring out the best in the PENTAX digital SLR camera bodies they are coupled with. Their image circle is also perfectly proportioned to the size of the image sensor used in PENTAX digital SLR cameras, helping to reduce the camera's overall size and weight and guarantee outstanding cost performance.

Quick-Shift Focus system for instant AF/MF switching

After the subject is captured in focus by the camera's AF system, the unique Quick-Shift Focus system lets the photographer instantly switch to manual-focus operation for final pinpoint focus adjustment.

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Product Specifications

Article Number21880
Focal length equivalent to 35 mm format27 - 82.5mm
Maximum aperturef/3.5 - 5.6
Minimum aperturef/22 - 38
Number of Diaphragm Blades


Angle of View76 - 29 degrees
Construction11 elements / 8 groups
Focusing Range0.25m - infinity
Smallest object distance/magnification


Filter size52mm
MountPentax KAF - Bayonet
Dimensions (Length x Diameter)67.5 - 68.5mm
Kit Content

Lens cap

Special Features

Weather resistant
SP coating
Quick-Shift focus

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