![Pentax smc D FA 645 55mm f/2.8 AL[IF] SDM AW Lens Front](http://images.crutchfieldonline.com/ImageHandler/fixedscale/90/90/products/2014/7/815/g815FA55-F.jpg)
About the Pentax smc D FA 645 55mm f/2.8 AL[IF] SDM AW Lens
Made for ultra-high-resolution, medium format photography
Made for ultra-high-resolution, medium format photography
This razor-sharp Pentax lens was designed exclusively for use with Pentax 645 medium format digital and film cameras. Its advanced lens coatings and internal anti-reflection materials were optimized to meet the demands of ultra-high-resolution photography. When mounted on the Pentax 645D camera body, this standard lens offers a 35mm equivalent focal length of 43.5mm, resulting in an angle of view close to that of the human eye. That makes it well-suited for a wide variety of subjects and applications, including landscapes, portraits, and snapshots.
Weather-resistant, dust-resistant construction makes this lens the perfect companion to the Pentax 645D weather-resistant digital SLR. This premium-quality lens has a light-gathering f/2.8, 9-bladed aperture, for soft, smooth out-of focus backgrounds that make your foreground subject leap to life. The Quick-Shift focus system allows instant on-the-fly switching from auto to manual focus. With all these winning features, you'll have a setup that's built for bringing home the elusive shot under challenging circumstances.
Product highlights:
- smc Pentax D FA 645 55mm F2.8 AL (IF) SDM AW lens
- compatible with Pentax digital and film medium format cameras
- Pentax 645 AF2 bayonet mount can be used on older Pentax film 645 bodies
- effective focal length:
- equivalent to 43.5mm (in 35mm format) with Pentax 645D camera body
- equivalent to 34mm (in 35mm format) with Pentax Film 645 camera body
- dustproof, weather-resistant construction for shooting in difficult environments
- Pentax Aero Bright lens coating reduces surface reflection and increases light transmission to deliver high-contrast images
- Quick-Shift Focus System allows instant switching from autofocus to manual focus operation
- constructed of 9 elements in 7 groups
- minimum focus distance: 19.7"
- minimum aperture: f/22
- filter size: 67mm
- lens is 3-1/4" long, 2-3/4" in diameter
- weight: 14.7 ounces
- supplied accessories: front and rear lens caps, lens hood
- warranty: 1 year
- MFR # 26350
What's in the box:
Pentax smc D FA 645 55mm f/2.8 AL[IF] SDM AW Lens owner's manual
- smc Pentax D FA 645 55mm F2.8mm AL [IF] SDM AW lens
- O-LC67 Front lens cap (installed)
- 645 Rear lens cap (installed)
- PH-RBN 67mm lens hood
- S100-120 Soft lens case
- Operating Manual
- Notification of Change in Company Name
- Note on international warranty
- Serial number card
Customer reviews for Pentax smc D FA 645 55mm f/2.8 AL[IF] SDM AW Lens
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More details on the Pentax smc D FA 645 55mm f/2.8 AL[IF] SDM AW Lens
Features & specs
| General | ||
|---|---|---|
| Mount Type | 645 KAF2 bayonet mount | |
| Sensor Size | --- | |
| Image Stabilization | No | |
| Lens Type | Prime | |
| Focal Length | 55mm | |
| Maximum Aperture | f/2.8 | |
| Weight | 14.7 ounces | |
| Parts Warranty | 1 Year | |
| Labor Warranty | 1 Year | |
Product Research
Features
Overview: The smc Pentax D FA 645 55mm F2.8 AL [IF] SDM AW is a 55mm prime lens for the Pentax 645D medium format camera. It includes the PH-RBN 67mm lens hood and a soft lens case.
Lens Mount: The lens has a 645 KAF2 bayonet mount, and will fit Pentax's 645D medium format camera. It will not fit other Pentax D-SLRs that have the K-mount.
Weather-Sealed: The lens and the 645D camera are weather-sealed to keep out moisture and dust.
SDM Autofocus System: The Pentax SDM (Supersonic Direct-drive Motor) autofocus system is driven by small built-in supersonic motors, which offer exceptionally smooth and quiet operation. The SDM system results in significantly faster and quieter operating autofocusing than conventional AF lenses.
Quick Shift: Quick Shift allows you to switch the lens from Auto to Manual focus, simply by turning the focusing ring on the lens.
Lens Hood: The lens kit includes the PH-RBN 67mm lens hood to keep unwanted light out of the lens, and protect the front of the lens. The hood can be reverse-mounted on the lens for storage.
Lens Construction: The Pentax D FA 645 55mm F2.8 lens features 9 elements in 7 groups, including the following:
- Aspherical Lens Elements (AL): The Aspherical Lens elements do not have a uniformly curved spherical shape. The form of an aspherical lens is individually calculated and adapted to a specific task.
- ED Glass: The Extra-low Dispersion (ED) glass lens element effectively minimizes chromatic aberration to deliver bright, high-resolution images, even at the edges.
Specifications:
- Focal Length: 55mm
- Equivalence in 24 x 36mm: 44mm
- Lens Construction: 9 elements in 7 groups
- Mount Type: 645 KAF2 mount
- Maximum Aperture: F2.8
- Minimum Aperture: F22
- Maximum Magnification: 0.17x
- Diaphragm Blades: 9
- Angle of View: 53° on 645D (65° on 645, 645N, and 645NII)
- Minimum Focus Distance: 1.64' (19.7")
- Lens Hood: PH-RBN 67mm (included)
- Filter Diameter: 67mm
- Dimensions:
- Diameter: 2.7"
- Length: 3.2"
- Weight: 14.7 ounces (16.3 oz. w/lens hood)
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