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HD PENTAX D FA 150-450mm f/4.5-5.6 DC AW Telephoto Zoom Lens

The Pentax 150-450mm f/4.5-5.6 DC AW is a 150–450mm f/5.6 lens designed for Pentax K mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.

HD PENTAX D FA 150-450mm f/4.5-5.6 DC AW Telephoto Zoom Lens

HD PENTAX D FA 150-450mm f/4.5-5.6 DC AW Telephoto Zoom Lens

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Lens Overview — Pentax 150-450mm f/4.5-5.6 DC AW

The HD Pentax D FA 150-450mm f/4.5-5.6 DC AW is a full-frame telephoto zoom lens designed for Pentax K mount DSLR cameras. Covering a focal length range of 150mm to 450mm, it offers substantial reach suited for wildlife, sports, and nature photography where distance between subject and shooter is a practical reality. The variable maximum aperture runs from f/4.5 at the wide end to f/5.6 at 450mm, which is a typical characteristic of long telephoto zoom lenses in this class.

Autofocus is supported alongside manual focus operation, giving shooters flexibility depending on the situation. The lens accepts 86mm filters, which is a notably large front element thread size consistent with the physical scale of a 450mm telephoto zoom. Weighing in at 2000g, this is a substantial piece of glass that will likely require a tripod collar or monopod support for extended shooting sessions.

The lens is designated for full-frame coverage, meaning it will also work with Pentax APS-C sensor bodies in the same K mount ecosystem. No image stabilization is present in this lens, so stable shooting technique or external support becomes more important at longer focal lengths.

Key Features — Pentax 150-450mm f/4.5-5.6 DC AW

150-450mm Focal Range: Covers a versatile telephoto range in a single lens, suitable for wildlife, sports, and nature photography where subject distance varies.

Full-Frame Coverage: Designed for Pentax full-frame K mount bodies while remaining fully compatible with APS-C sensor cameras in the same ecosystem.

HD Optical Coating: Pentax's HD coating reduces flare and ghosting, improving contrast and color accuracy when shooting in bright or backlit conditions.

All-Weather Construction: AW (All-Weather) sealing protects against dust and moisture, making it practical for outdoor shooting in variable conditions.

DC Autofocus Motor: Built-in DC motor drives autofocus directly in the lens, enabling quick and relatively quiet focusing without relying on a body-side drive.

f/4.5-5.6 Variable Aperture: Maximum aperture transitions from f/4.5 at 150mm to f/5.6 at 450mm, consistent with telephoto zooms of this class and range.

Lens Specifications — Pentax 150-450mm f/4.5-5.6 DC AW

Pentax 150-450mm f/4.5-5.6 DC AW full specifications
SpecDetail
Use CasesWildlife, Birding, Sports, Travel
Lens TypeZoom
FormatFull Frame
Zoom/PrimeZoom
Focal Length150–450mm
Maximum Aperturef/5.6
Camera SystemDSLR
Lens MountPentax K
AutofocusYes
Focus TypeAuto, Manual
Image StabilizationNone
Filter Thread86mm

Description — Pentax 150-450mm f/4.5-5.6 DC AW

The HD Pentax D FA 150-450mm f/4.5-5.6 DC AW is a full-frame telephoto zoom lens built around the Pentax K mount, covering a 150mm to 450mm focal length range. The variable maximum aperture of f/4.5 to f/5.6 is characteristic of the zoom range, providing a usable aperture across the full span of the lens. Both autofocus and manual focus are supported, giving shooters the ability to switch between focus modes based on shooting conditions and subject behavior.

The front element accepts 86mm filters, reflecting the physical scale required to support this focal length range with full-frame coverage. At 2000g, this lens is a serious piece of equipment that will benefit from proper support gear such as a monopod or tripod. It is classified as a DSLR Zoom lens with Telephoto focal length character, making it a strong option for Pentax K mount shooters pursuing subjects at distance.

Pros — Pentax 150-450mm f/4.5-5.6 DC AW

  • ✓Broad 150-450mm focal length range on a single full-frame zoom lens
  • ✓Supports both autofocus and manual focus operation
  • ✓Full-frame coverage on Pentax K mount bodies

Cons — Pentax 150-450mm f/4.5-5.6 DC AW

  • ✗No image stabilization listed in specifications, which is a notable absence at 450mm
  • ✗2000g weight makes handheld shooting at long focal lengths demanding
  • ✗Variable maximum aperture reaches only f/5.6 at 450mm, limiting light intake at full reach

Videos — Pentax 150-450mm f/4.5-5.6 DC AW

First Look: HD PENTAX-D FA 150-450mm F4.5-5.6ED DC AW — Ricoh Imaging

Resources & Downloads — Pentax 150-450mm f/4.5-5.6 DC AW

Manuals & Guides

Frequently Asked Questions — Pentax 150-450mm f/4.5-5.6 DC AW

What camera mount does this lens use?+
This lens is designed for the Pentax K mount. It is compatible with Pentax K mount DSLR cameras and provides full-frame coverage.
Does this lens have image stabilization?+
No. The specifications list image stabilization as None. Shooters will need to rely on stable technique, a tripod, or monopod support — especially at the longer end of the zoom range.
What is the maximum aperture of this lens?+
The maximum aperture is variable, reaching f/4.5 at the 150mm end and f/5.6 at the 450mm end. This is a standard characteristic for telephoto zoom lenses in this focal length range.
What filter size does this lens require?+
This lens uses an 86mm filter thread. Be aware that 86mm filters are relatively large and tend to be more expensive than smaller common sizes.
Does this lens work on APS-C Pentax bodies?+
The lens is specified as full-frame format and uses the Pentax K mount, so it will physically mount on Pentax K mount APS-C DSLR bodies as well. However, only the full-frame coverage specification is listed in the data.
How heavy is this lens?+
The lens weighs 2000g. This significant weight makes a sturdy tripod, monopod, or gimbal support highly advisable for extended shooting sessions.

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