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Pentax SMC DA 18-270mm f/3.5-6.3 ED SDM Lens

The Pentax 18-270mm f/3.5-6.3 ED SDM is a 18–270mm f/3.5 lens designed for Pentax K mount cameras. Used copies start from $229.5 on GearFocus, with buyer protection on every purchase.

Pentax SMC DA 18-270mm f/3.5-6.3 ED SDM Lens

Pentax SMC DA 18-270mm f/3.5-6.3 ED SDM Lens

Pentax 18-270mm f/3.5-6.3 ED SDM — image 1
Pentax 18-270mm f/3.5-6.3 ED SDM — image 2
Pentax 18-270mm f/3.5-6.3 ED SDM — image 3
Pentax 18-270mm f/3.5-6.3 ED SDM — image 4
Pentax 18-270mm f/3.5-6.3 ED SDM — image 5
Pentax 18-270mm f/3.5-6.3 ED SDM — image 6
Pentax 18-270mm f/3.5-6.3 ED SDM — image 7

Pentax DA 18-270mm f3.5-6.3 ED SDM SMC Lens

Condition: Good

Product Highlights

  • 18-270mm versatile zoom range
  • f/3.5-6.3 maximum aperture
  • Extra-low Dispersion (ED) glass
  • Supersonic Direct-drive Motor (SDM)

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Used Pentax 18-270mm f/3.5-6.3 ED SDM Listings on GearFocus

Pentax DA 18-270mm f3.5-6.3 ED SDM SMC Lens
Pentax DA 18-270mm f3.5-6.3 ED SDM SMC Lens

Good

$229.50

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Lens Overview — Pentax 18-270mm f/3.5-6.3 ED SDM

The Pentax SMC DA 18-270mm f/3.5-6.3 is a wide-ranging zoom lens built for Pentax K-mount DSLR cameras. Designed around the APS-C format, it covers a focal length range from 18mm on the wide end all the way out to 270mm at the telephoto end, making it one of the more expansive zoom ranges available in a single optic for Pentax shooters. With a maximum aperture of f/3.5, the lens offers reasonable light gathering at the wide end, though as is typical of variable-aperture zooms, the aperture narrows as you extend the focal length toward 270mm.

The autofocus system supports both Auto and Manual focus modes, giving shooters flexibility depending on the shooting situation. At 453 grams, the lens sits in a relatively manageable weight class given the focal length coverage it provides. It accepts 62mm filters, which is a common and accessible filter size.

The Pentax K mount ensures native compatibility with Pentax APS-C DSLR bodies. It is worth noting that this lens does not include image stabilization, so shooters will need to rely on in-body stabilization if their camera body supports it, or manage camera shake through other means. Overall, this is a convenient all-in-one zoom option for Pentax DSLR users looking to minimize lens changes across a wide variety of shooting distances.

Key Features — Pentax 18-270mm f/3.5-6.3 ED SDM

15x Zoom Range: Covers 18mm to 270mm in a single lens, spanning wide-angle through long telephoto without swapping optics.

APS-C Format Design: Optimized for Pentax APS-C DSLR sensors, delivering an equivalent focal range of approximately 27-415mm.

Pentax K Mount: Native K-mount compatibility ensures full electronic communication with Pentax APS-C DSLR bodies.

SDM Autofocus Motor: Ultrasonic-type Supersonic Drive Motor provides quiet and responsive autofocus operation.

Auto and Manual Focus: Supports both AF and MF modes, allowing the shooter to switch based on subject or shooting conditions.

f/3.5 Maximum Aperture: Offers reasonable light gathering at the 18mm wide end, though aperture narrows as focal length increases.

Lens Specifications — Pentax 18-270mm f/3.5-6.3 ED SDM

Pentax 18-270mm f/3.5-6.3 ED SDM full specifications
SpecDetail
Use CasesTravel, Wildlife, Sports
Lens TypeAll-in-One / Travel Zoom
FormatAPS-C
Zoom/PrimeZoom
Focal Length18–270mm
Maximum Aperturef/3.5
Camera SystemDSLR
Lens MountPentax K
AutofocusYes
Focus TypeAuto, Manual
Image StabilizationNone
Filter Thread62mm

Description — Pentax 18-270mm f/3.5-6.3 ED SDM

The Pentax SMC DA 18-270mm f/3.5-6.3 is a Zoom lens designed for APS-C format Pentax K mount DSLR cameras. It covers a focal length range from 18mm to 270mm, spanning wide-angle through super-telephoto reach in a single package. The maximum aperture opens to f/3.5 at the wide end.

Autofocus is supported, with both Auto and Manual focus modes available to suit different shooting preferences. The lens accepts 62mm filters and has a total weight of 453g, keeping it manageable for an all-in-one zoom. One notable consideration is that this lens carries no image stabilization, so photographers shooting handheld at longer focal lengths should account for potential camera shake.

It is exclusively designed for APS-C sensor bodies within the Pentax K-mount ecosystem.

Pros — Pentax 18-270mm f/3.5-6.3 ED SDM

  • ✓Extremely wide zoom range from 18mm to 270mm in a single lens, covering wide-angle through long telephoto
  • ✓Native Pentax K mount ensures seamless compatibility with Pentax APS-C DSLR cameras
  • ✓Supports both Auto and Manual focus modes for shooting flexibility

Cons — Pentax 18-270mm f/3.5-6.3 ED SDM

  • ✗No image stabilization, which can be a challenge particularly at the 270mm telephoto end
  • ✗Variable aperture design means maximum aperture narrows beyond f/3.5 as focal length increases
  • ✗APS-C-only format limits compatibility to crop-sensor Pentax bodies, not full-frame

Videos — Pentax 18-270mm f/3.5-6.3 ED SDM

PENTAX DA 18-270mm - Top 100 interesting lenses — factsandspecs.com

Resources & Downloads — Pentax 18-270mm f/3.5-6.3 ED SDM

Manuals & Guides

Frequently Asked Questions — Pentax 18-270mm f/3.5-6.3 ED SDM

What camera mount does this lens use?+
This lens uses the Pentax K mount. It is designed for Pentax DSLR cameras with APS-C sensors.
Does the Pentax SMC DA 18-270mm have image stabilization?+
No, this lens does not include image stabilization. Shooters who need stabilization at longer focal lengths will need to rely on in-body stabilization if their Pentax body supports it.
What filter size does this lens take?+
The lens has a 62mm filter thread size, which is a common size with wide availability of compatible filters.
Does this lens support autofocus?+
Yes, the lens supports both Auto and Manual focus modes. Autofocus is available when paired with compatible Pentax DSLR cameras.
How heavy is this lens?+
The lens weighs 453 grams, making it a moderately lightweight option considering the 18mm to 270mm zoom range it covers.
Is this lens compatible with full-frame Pentax cameras?+
This lens is designed for the APS-C format. While it uses the Pentax K mount, its image circle is optimized for APS-C sensors rather than full-frame.

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