Pentax HD FA 70-210mm f4 ED SDM WR Lens

Key Features

  • Compact and lightweight telephoto zoom lens
  • Versatile lens for many photography styles
  • HD Coating to enhance imaging power
  • Weather resistant construction
  • Fast and quiet AF
  • Super Protect Coating on front element
  • Extension free barrel operation
  • Weighs just 819g
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Specifically designed for use with Pentax K-mount DSLR cameras, the Pentax HD FA 70-210mm f4 ED SDM WR lens is a high performance telephoto zoom that’s incredibly portable thanks to its lightweight build. The weather-resistant construction makes the lens perfect for the photographer that’s always on the move, especially in a variety of outdoor scenarios.

Who is the Pentax HD FA 70-210mm f4 ED SDM WR lens made for?

This professional level lens is designed for the Pentax K-mount so can be used with Pentax full-frame and APS-C cameras. The lens suits a variety of photography styles, including landscapes, portraits, close-ups and sports photography. Perfect for the adventure focused photographer, its compact, lightweight and weather-sealed body helps the photographer to explore for longer and in all weathers.

Superb Portability

Weighing in at just 819g, the lens is capable of being paired with a smaller APS-C system whilst still providing high-quality images. Mounted to a Pentax crop system the lens provides a focal length range of 107mm to 322mm (35mm format equivalent).


With a fantastic short minimum focusing distance of 0.95 meters, the lens barrel has been designed to be extension free during AF operation. This allows the photographer to utilise the lens in a wide variety of scenarios, including close-ups of animals and plants through to fast paced sports and wildlife photography.

Expert Lens Construction

In its 20-element, 14-group optics the lens incorporates three ED (extra-low dispersion) glass elements and two anomalous dispersion glass elements to deliver exceptional high resolution, high contrast images with superb edge to edge sharpness whilst effectively compensating for distortion and chromatic aberrations.

Its nine-blade, round shaped lens construction provides the photographer with natural and super soft bokeh.

High Definition Coating

Featuring Pentax’s latest HD coating, compared to conventional multi-layer coatings, this high grade coating minimises the average reflectance in the visible light range by more than 50%. This in turn minimises the adverse effects of flare and ghost images even in the most demanding lighting conditions, such as backlighting.

Weather Resistant Build

Prevent the intrusion of water in to the lens barrel even in the most extreme weathers. When mounted to a Pentax weather resistant DSLR camera body it assures a reliable and durable system in even the most demanding scenarios, including rain or mist and shooting locations prone to spray or water splashes.

Super Protect Coating

Applied to the front surface, the lens features a Super Protect (SP) coating. The coating is highly repellent to water, grease and dirt making it easy to wipe off stains such as fingerprints. The coating is applied via Pentax’s exclusive fluorine deposition process.

Quick and Quiet AF

A Supersonic Direct-drive Motor is built into the lens to assure high-speed AF that’s also incredibly quiet. Aiding the wildlife or wedding photographer when trying to capture those fleeting moments.

The lens also features a Quick-shift Focus System that provides an instant shift to manual-focus operation after locking the subject in focus during AF. This function is completed by pressing the shutter-release button halfway down.

What do we think of the Pentax HD FA 70-210mm f4 ED SDM WR lens?

The focal range of 70-200mm is hugely popular and Pentax have taken this concept and pushed it to the limit. A constant aperture of f4 means more light is available across the whole focal length, aiding the photographer to consistently shoot in low light situations.

Designed for the Pentax K mount, the lens can be mounted to both full frame and APS-C systems. Its compact and lightweight design can be easily attached to an APS-C system, giving a respectable 107mm to 322mm focal range. This makes the lens a versatile piece of photography equipment for both experienced amateurs and professionals alike.

The Pentax HD FA 70-210mm f4 ED SDM WR lens would be a great addition to any camera bag. Traditionally suited for wildlife and sports photography the lens is also great for wedding photographers and even portrait photography. The weather resistant build aids the lens in being a great option for the adventurous and outdoor photographer. 

Product Specifications

Focal length: 70-210mm (107-322mm equivalent 35mm format when on APS-C)
Max. Aperture: F4
Min. Aperture: F32
Lens Construction: 20 Elements in 14 Groups
Angle of View: 34.5-11.8º Full Frame
Mount: KAF4
Min. Focus Distance: 0.95m
Max. Magnification: 0.32x
Filter Diameter: 67mm
Diaphragm Control: Electromagnetic diaphragm fully automatic
No. of Blades: 9 Rounded (F4-F9.5)
Lens Hood: PH-RBP67 (included)
Lens Cap: O-LC67 (included)
Max. Diameter x Length: Approx. 78.5mm x 175mm
Weight: APprox 819g
Temperature: -10º~40ºC
Humidity: 85% or less (no condensation)

Sample Images

  • Pentax 70-210mm f4 Lens Sample Image 3
  • Pentax 70-210mm f4 Lens Sample Image 4
  • Pentax 70-210mm f4 Lens Sample Image 1
  • Pentax 70-210mm f4 Lens Sample Image 2

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