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Pentax 18-55mm f/3.5-5.6 SMC PENTAX-DA AL WR Autofocus APS-C Lens for K-Mount {52}

Model #241823
  • $55.00

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Our Grading System
New in box complete with manufacturer's USA warranty. Not previously owned or used.
Essentially new with no signs of use. “Open box.” In manufacturer's packaging with original accessories and instructions. 180-day warranty.
Barely used with virtually no traces of wear. Only the closest inspections will reveal slight use. Lens glass could contain light dust or debris. Excellent picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Lightly used with limited signs of wear. Exceptionally nice but may have slight wear on finish visible. Lens glass could contain light dust or debris. Excellent picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Noticeably used with average signs of wear. Shows moderate wear for the age of the item, with the possibility of blemishes and/or minimal dings. Lens glass may have average dust and zoom/focus ring tension may have slight looseness or tightness overall, but will not affect picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Frequently used with above-average wear. May have dents, dings, or finish loss. Lens glass may have small scratches, dust, and blemishes, and zoom/focus ring tension may have moderate looseness or tightness overall, but should not affect picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Heavily used with extensive visible wear. Equipment is rough, with multiple impressions in the finish, excessive finish loss and brassing. Glass will have marks, fungus and/or heavy/cloudy haze which could affect picture quality. Accessories usually not included, unless noted in listing. Not covered under KEH warranty.
Non-functional or damaged. Equipment will not work. Usable for parts. Not covered under KEH warranty and non-returnable.
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With Caps
$55.00
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Pentax's weather-sealed kit zoom built for APS-C shooters.

The smc DA 18-55mm f/3.5-5.6 AL WR covers the workhorse focal range that most photographers reach for first, wide enough for interiors and landscapes at 18mm, long enough at 55mm to flatten a portrait or pull in a street scene. The aspherical lens element keeps distortion in check across the zoom range, which matters when you're shooting architecture or anything with straight lines that need to stay straight.

What separates this lens from a standard kit offering is the WR designation. Weather resistance means you can work alongside a weather-sealed Pentax body in rain, dust, or humid conditions without pulling out of a shoot early. For outdoor and travel photographers already invested in the Pentax KAF mount, that pairing is a practical advantage that most entry-level zoom lenses simply don't offer. The 52mm filter thread is a common size, so polarizers and ND filters you already own likely fit without an adapter.

This is a proven lens for Pentax APS-C systems, and for anyone building a weather-sealed kit on a budget, it's the logical starting point.

Who It's For

Hikers and outdoor photographers who shoot in variable weather get real utility from the WR designation paired with a sealed Pentax body, rain and dust won't cut a session short. Travel photographers benefit from the 18-55mm range covering wide-angle cityscapes through short telephoto portraits without swapping glass. Photographers new to the Pentax KAF system get a reliable autofocus zoom that handles everyday shooting across multiple genres. Anyone already owning 52mm filters can drop polarizers or ND glass straight onto this lens without stepping rings.

Key Features

  • 18-55mm zoom range for APS-C Pentax bodies
  • Pentax KAF mount
  • f/3.5-5.6 variable aperture
  • Weather-resistant (WR) construction
  • Aspherical lens element controls distortion
  • 52mm filter thread

FAQ

What focal range does this lens cover?
18-55mm, which gives you a wide field of view for landscapes and interiors at 18mm and moderate telephoto reach at 55mm for portraits and street work.
Is this lens weather-sealed?
Yes, the WR designation means it has weather resistance, so it pairs with weather-sealed Pentax bodies for shooting in rain, dust, or humid conditions.
What mount does this lens use?
Pentax KAF mount, standard for Pentax APS-C DSLRs.
What's the filter thread size?
52mm, a common size that works with most third-party filters you likely already own.
Does this lens have an aspherical element?
Yes, the AL (aspherical lens) element controls distortion across the zoom range, which keeps straight lines straight in architecture and landscape shots.
What aperture range does this lens have?
f/3.5 at 18mm, narrowing to f/5.6 at 55mm as you zoom in.
Is autofocus included?
Yes, this lens has autofocus.
SpecificationValue
Max Aperturef/3.5-5.6
MountPentax KAF

This description was generated using AI based on KEH's internal product standards, product expertise, and knowing what customers care about most. While we strive for accuracy, details may vary by individual item.

Brand Name Pentax
Filter Size 52mm
Focus Type Autofocus (camera motor)
Lens Mount Pentax KAF2 (SMC-DA, SMC-DFA)
Lens Type Wide-Angle, Standard / Normal
Max Focal Length 55mm
Min Focal Length 18mm