HD Pentax-DA 55-300mm f/4-5.8 ED WR Lens

Model #22270

USA Version
Pentax 22270 1
Pentax 22270 1
Pentax 22270 2
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Weight 1.03 lb (466 g)
Filter Thread Front:58 mm
Dimensions (DxL) Approx. 2.80 x 4.39" (71 x 111.5 mm)


Format Compatibility Pentax Digital (APS-C)
Angle of View 29° - 5.4°
Minimum Focus Distance 4.59' (1.4 m)
Focal Length 55 - 300mm
Comparable 35mm Focal Length: 84.5 - 460 mm
Diaphragm Blades 6
Magnification 0.28x
Aperture Maximum: f/4 - 5.8
Minimum: f/22 - 32
Camera Mount Type Pentax K


Autofocus Yes
Expert Reviews
Pentaxforums com.33034396
27 January 2014

The HD 55-300 WR is one of the most long-awaited lenses in the K-mount arsenal, answering the cries for a weather sealed version of the highly popular zoom. In just the short time it took for the lens to reach the hands of our shooters until the publication of this review, we've already amassed a...

  • +

    Weather Sealed, Excellent second lens for beginners, particularly with either 18-55 WR or 18-135 WR, Good overall image quality, with excellent image quality and sharpness at F8, Maintains relatively fast F4-4.5 aperture until 210mm, Convenient and practical zoom range, Great value, Quick-Shift...

  • -

    Screw-driven autofocus not updated to DC motor, Very large focus throw makes it prone to hunting and 'near misses' in AF mode, Corners are extremely soft and lacking in contrast, Highlight bokeh becomes straight-edged very quickly, Point bursts (starbursts) are very unattractive until closed down...

30 July 2013

This 5.5x zoom lens provides an angle of view equivalent to an 84.5-460mm telephoto lens on a 35mm format camera, when mounted on a Pentax Digital SLR. It sports the latest HD lens coatings that promise to help suppress flare and improve light transmission.

User Reviews
B h photo.32817553
21 December 2015

Bought this lens to upgrade from my DA-L 55-300mm which I have used a lot. Have not had the chance to use this lens much yet, but so far I feel like the IQ is slightly better than the DA-L and a tad sharper. Now, I have no worries about weather with this lens and my K-50. Very happy so far.

  • +

    Durable, Lightweight

  • -

    Poor in Low Light

4 April 2014

My other Pentax 55-300mm lens bit the dust when it hit the deck at the marina.The WR was my replacement choice to go on my K20D because I'm often out on or near salt water, rain and wind.So far it's proved to be bit sharper than my previous lens, and passed the salt water test after being doused by...

  • +

    Consistent Output, Durable, Nice Bokeh, Rugged, Strong Construction

  • -

    Slow Focus

12 January 2014

Bottom line: 55mm-100mm -- below average; 100-200mm -- average; 200-300mm - above average Optically this lens is probably a complete copy of the previous version, at least subjectively the pictures look exactly the same and it has the same weaknesses and strengths.

Product Highlights
  • Pentax K Mount
  • 84.5-460mm (35mm Equivalent)
  • Aperture Range: f/4 to f/32
  • Two Extra-Low Dispersion Elements
  • High-Grade Multi-Layer HD Coating
  • Super Protect Lens Coating
  • Quick-Shift Focus System
  • Weather-Resistant Construction
  • Rugged Metallic Lens Mount
Average Expert Score
Average User Score
In The Box
  • Pentax HD Pentax-DA 55-300mm f/4-5.8 ED WR Lens
  • O-LC58 58mm Lens Cap
  • Rear Lens Cap (B) for Bayonet Mount Lenses
  • PH-RBI 58mm Lens Hood
  • S80-160 Soft Lens Case
  • Limited 1-Year Warranty
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