Pentax Pentax-D FA 645 55mm f/2.8 AL[IF] SDM AW Lens

Pentax Pentax-D FA 645 55mm f/2.8 AL[IF] SDM AW Lens

Pentax Pentax-D FA 645 55mm f/2.8 AL[IF] SDM AW Lens

B&H # PE5528 MFR # 26350
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Product Highlights

  • Standard Lens Equivalent to 43.5mm
  • Weather-Resistant and Dustproof
  • Aero Bright Coating to Prevent Flare
  • Rounded Diaphragm for Beautiful Bokeh
  • Smooth, Quiet SDM Autofocus
  • SP Coating Blocks Dust and Dirt
  • Advanced Focus Options
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  • 1Description

New camera, new lens: this Pentax-D FA 645 55mm f/2.8 AL[IF] SDM AW Lens is the first model of the Pentax-D FA 645 lens series created for the Pentax 645D digital medium-format camera. With a focal length that's equivalent to a 43.5mm standard lens (in 35mm), it features optics optimized for digital photography to assure exceptional performance, and also provides an image circle covering the image area of existing 645-format film SLR cameras. It has dependable, dust-proof, weather-resistant construction for active outdoor photography.

This lens features a Supersonic Direct-drive Motor (SDM) autofocus drive and Quick-Shift for instant autofocus/manual focus switching,  Aero Bright coating to help prevent flare and ghost images, and it's Pentax's first 645 system lens to incorporate a rounded diaphragm for improved bokeh (the aesthetic quality of the blur in the out-of-focus areas of an image).

State-of-the-Art Optics
Incorporating high-performance, hybrid aspherical optical element in its optics, this new standard lens (focal length equivalent to 43.5mm in the 35mm format) offers exceptional image-resolving power with outstanding brightness levels even at the edges, while compensating various aberrations to a minimum. All lens characteristics are optimized for digital photography: for instance, flare and ghost images are minimized by applying exclusive lens coatings to optical elements and employing anti-reflection materials for the interior of the lens barrel.
Versatile Standard Lens
When mounted on the PENTAX 645D camera body, this standard lens offers a focal length which produces an angle of view close to that of the human eye. As the result, it can be used for many different kinds of subjects and applications, including landscapes and portraits.
Dustproof, Weather-Resistant Construction
Seven special seals make this lens dustproof and weather-resistant. This lens coupled with the Pentax 645D camera body provides a durable, reliable digital SLR camera that performs superbly, even in rain, mist, or locations prone to water splashes and spray. The "AW" (All Weather) designation in the lens name testifies to the weather-resistant construction and it is rated to operate in temperatures from 14-104ºF (-10 to 40ºC).
Aero Bright Coating Dramatically Improves Image Description in Backlight
The Pentax original Aero Bright coating on this lens delivers brilliant, high-quality images by preventing flare and ghost images more effectively. This exclusive coating effectively reduces lens reflectance and greatly increases light transmittance by forming a silica aerogel layer with uniform pores on the surface of optical element.
Rounded Diaphragm to Produce a Beautiful Bokeh
The first Pentax medium-format interchangeable lens to feature a completely rounded diaphragm, it creates a natural, beautiful "bokeh" (out-of-focus rendition), while minimizing the streaking effect of point light sources.
Smooth, Quiet SDM Autofocus
The SDM (Supersonic Direct-drive Motor) autofocus mechanism operates smoothly and quietly using the supersonic motor installed inside the lens barrel.
SP Coating Blocks Dust and Dirt
The front surface of the lens is treated with Pentax's SP (Special Protect) coating, which applies a fluorine compound to the lens surface through a vapor deposition process. This SP coating effectively repels dust, water and grease, and also makes it easy to wipe off fingerprints and cosmetics.
Advanced Focus Options
Quick-Shift Focus system instantly switches to manual focus operation, after the subject is captured in focus by the AF system.
UPC: 027075166059
In the Box
Pentax Pentax-D FA 645 55mm f/2.8 AL[IF] SDM AW Lens
  • Front and Rear Lens Caps
  • Lens Hood
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description
    Focal Length 55 mm
    Aperture Maximum: f/2.8
    Minimum: f/22
    Camera Mount Pentax 645
    Angle of View @ Infinity 65°
    Minimum Focus Distance 1.64' (49.99 cm)
    Diaphragm Blades 9
    Optical Design 9 Elements in 7 Groups
    Magnification 0.17x
    DOF Scale Yes
    Distance Scale Yes
    PC Outlet No
    Autofocus Yes
    Tripod Collar No
    Filter Thread Front: 67 mm
    Dimensions Approx. 2.69 x 3.20" (68.2 x 81.3 mm)
    Weight 14.67 oz (416 g)
    Packaging Info
    Package Weight 1.5 lb
    Box Dimensions (LxWxH) 5.7 x 4.6 x 4.5"
    Pentax-D FA 645 55mm f/2.8 AL[IF] SDM AW Lens is rated 4.7 out of 5 by 10.
    Rated 5 out of 5 by from Spectacular normal lens This lens is so great in every way. First it has a very useful 43mm equiv. format, it fits in the middle of two traditional 'normal lens' 35mm and 50mm, you just put anything on frame and get no distortion of any kind. Second, its so sharp! Seriously no one can complain about this! It's as sharp as it might be all over the frame, I took some landscape photos and even at the fairest corner razor sharp. Last, but no least, its light, small and weather sealed. WS is a pretty underrated feature, it allows you to use on beachs, icy mountains, waterfalls -- So it takes large range of pictures. What I can say is: 645z + 55FA is the best combo I've ever seen, even comparing to Leicas and Hasselblads
    Date published: 2015-08-20
    Rated 5 out of 5 by from Fantastic ergonomics, superb long exp If you want a 40MP medium format camera, order the 645D right now, because it's the first medium format camera that does almost everything right. IMO the sensor is wonderful, especially for long exposures. And I really like shooting the 645D. As a bonus, for a relative pittance, you can buy a complete set of used lenses for the 645D, no small consideration compared to the other brands. As well as used Pentax 6X7 lenses on it with an adapter. For anyone serious about it, I'd recommend two bodies to cover the bases of reliability and minimizing the need to switch lenses. The whole shebang will still cost a lot less than the Leica S2 with one lens, and I think the 645D has a better sensor.
    Date published: 2010-12-23
    Rated 5 out of 5 by from Great Lens if The Deal Is Found Wonderful lens, small, light, sharp as a tack. I purchased this lens with the Z body under a special deal when purchased together, the total price of this lens was $ dollars. I am not sure I would be happy if I spent the full retail on this lens. It is a great piece of optics. I purchased the 90MM DFA to test this lens and when the files were reviewed the 90 is superior, but at what point and does it justify a 4x price tag? No, it doesn't.
    Date published: 2015-12-03
    Rated 5 out of 5 by from Great lens Used with a 645z, the weather sealing and light weight make this an awesome performer in inclement weather. Fantastic contrast, sharpness and bokeh.
    Date published: 2016-11-15
    Rated 5 out of 5 by from Sharp That is a wonderfully sharp prime lens! Shooting on my Pentax 645z is a dream for that innate medium formate look. I would nightly recommend this as a must have in your camera bag...
    Date published: 2014-09-28
    Rated 5 out of 5 by from Pentax-D FA 645 55mm F2.8 AL IF SDM AW This is the standard for the Pentax 645 D. It is sharp, has good contrast, and responds quickly to the auto focus. I have not noticed the soft corners that some reviewers have mentioned. The lens hood has a panel that can be removed to access filters. This is a nice feature.
    Date published: 2011-11-10
    Rated 5 out of 5 by from A compact lens its perfect for the new 645z. the weight is awesome for the quality.
    Date published: 2016-02-15
    Rated 5 out of 5 by from Outstanding! While I had big expectations, I was still surprised by the quality of this lens. It is incredible. Without a doubt, the best lens I own.Every photographer should have one.
    Date published: 2015-12-10
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