* Item pictured for illustrative purposes only, actual item not pictured. See ‘Notes’ next to grade for included items.
Pentax 18-135mm f/3.5-5.6 SMC PENTAX-DA ED AL IF DC WR Autofocus APS-C Lens for K-Mount {62}
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$139.00
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KEH Certified™ pre-owned gear, expertly inspected†
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All rental gear is between Excellent and Like New Minus condition
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Standard accessories included
Pentax DA 18-135mm WR: one lens for the whole day's shoot.
A 7.5x zoom range covering a 27.5-207mm equivalent gives Pentax APS-C shooters genuine reach without bag changes. The internal focusing design keeps the barrel length fixed during autofocus, which matters when you're tracking movement or shooting with a polarizer attached. DC (Direct-drive supersonic motor) autofocus keeps things quiet and responsive, and the ED glass element controls chromatic aberration at the long end where fringing otherwise becomes a problem. The aspherical element handles distortion across the wide end of the range. SMC coating does its job against flare and ghosting even in backlit situations.
The WR (Weather Resistant) construction is a genuine differentiator at this focal range. Paired with a weather-sealed Pentax body, you have a kit that can work through light rain, dust, and cold without babying. That's not a footnote, it changes where you're willing to point the camera. For a single-lens travel or event setup, the 18-135mm covers situations that would otherwise demand two primes or a bag full of zooms.
Who It's For
Travel photographers who want one lens on the camera for an entire trip benefit from the 27.5-207mm equivalent range that handles both interiors and distant subjects. Event shooters working in variable conditions get the weather resistance to keep working when conditions shift. Hikers and outdoor photographers who pair this with a sealed Pentax body can shoot in rain or dust without hesitation. Portrait shooters will find the 135mm end gives enough working distance for flattering compression, with the DC motor keeping autofocus quiet during candid moments.
Key Features
- 27.5-207mm equivalent focal length on APS-C
- 7.5x zoom range with fixed barrel length (internal focus)
- ED glass element for chromatic aberration control at long end
- Aspherical element handles wide-end distortion
- DC supersonic motor autofocus, quiet and responsive
- WR weather-resistant construction with sealed barrel
- SMC multi-coated optics reduce flare and ghosting
FAQ
- What's the equivalent focal length on a Pentax APS-C body?
- 27.5-207mm in 35mm format, giving you genuine wide-to-telephoto coverage from a single lens.
- Does the barrel extend during focusing?
- No. Internal focusing keeps the barrel length fixed, which is useful when tracking movement or using filters like polarizers.
- How does DC autofocus perform for video or continuous tracking?
- DC (Direct-drive supersonic motor) is quiet and responsive for both stills and video work without the noise of older AF designs.
- What chromatic aberration control does the ED glass provide?
- ED (Extra-low Dispersion) glass addresses color fringing at the long end of the range where it's most visible.
- Is this lens truly weather-sealed?
- WR construction resists light rain, dust, and cold. Paired with a weather-sealed Pentax body, you have a sealed system.
- Which distortion correction applies at the wide end?
- An aspherical lens element (AL) controls distortion across the 18mm side of the range.
- Will flare or ghosting be an issue in backlit situations?
- SMC (Super Multi-Coating) suppresses both. You'll see minimal artifacts even pointing into the sun.
| Specification | Value |
|---|---|
| Focal Length | 18-135mm |
| Max Aperture | f/3.5-5.6 |
| Mount | Pentax K |
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 | 62mm |
| Focus Type | Autofocus (camera motor) |
| Lens Mount | Pentax KAF2 (SMC-DA, SMC-DFA) |
| Lens Type | All-In-One |
| Max Focal Length | 135mm |
| Min Focal Length | 18mm |
Learn what to expect from each condition, cosmetically. Images are representative of each grade and may not show the exact item you receive. All equipment is guaranteed to work as intended, unless otherwise noted. We also occasionally offer items that fall .
Exceptions
- New
- New in box complete with manufacturer's USA warranty. Not previously owned or used.
- Like New
- Essentially new with no signs of use. “Open box.” In manufacturer's packaging with original accessories and instructions. 180-day warranty.
- As Is
- Non-functional or damaged. Equipment will not work. Usable for parts. Not covered under KEH warranty and non-returnable.
Like New Minus
Like New Minus
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.
Excellent Plus
Excellent Plus
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.
Excellent
Excellent
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.
Bargain
Bargain
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.
Ugly
Ugly
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.
