Pentax HD PENTAX-D FA645 35mm f/3.5 AL [IF] Lens

Pentax HD PENTAX-D FA645 35mm f/3.5 AL [IF] Lens

Pentax HD PENTAX-D FA645 35mm f/3.5 AL [IF] Lens

B&H # PE3535AL MFR # 26450
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Product Highlights

  • Pentax 645 Mount
  • 27.5mm (35mm Equivalent)
  • Aperture Range: f/3.5 to f/32
  • Two Aspherical Elements
  • High Refractive Low Dispersion Element
  • HD and Super Protect Lens Coatings
  • Internal Focusing Mechanism
  • Rounded 9-Blade Diaphragm
  • Minimum Focusing Distance: 11.8"
  • Front Filter Thread: 82mm
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Pentax FA645 overview

  • 1Description

Providing a wide-angle field of view on Pentax 645-series medium format cameras, the HD PENTAX-D FA645 35mm f/3.5 AL [IF] Lens blends an expansive perspective favored by interior, architectural, and landscape photographers with a sophisticated optical design for notable sharpness and even illumination. The 10 elements in 7 groups design incorporates one glass-molded aspherical element, one hybrid aspherical element, and one high refractive index low dispersion element, all of which combine to suppress chromatic and spherical aberrations and other distortions. Complementing the optical layout is an HD lens coating, which has been applied to individual elements to control flare and ghosting for contrast-rich, color-accurate results.

Contrasting the broad, wide-angle perspective is an apt close-focusing system that provides a minimum focusing distance of 11.8" along with a 0.25x maximum magnification for working with nearby subjects. The integrated autofocus motor benefits from an inner-focusing mechanism that quickens focusing performance and also limits the overall lens length for more intuitive handling. A rounded nine-blade diaphragm also contributes to a pleasing bokeh quality when working with selective focusing techniques. Rounding out the feature-set, the 35mm f/3.5 lens also features a Super Protect coating on the front element to prevent moisture, dust, and smudging from affecting image quality and the included petal-shaped lens hood incorporates a polarizer filter window to permit filter adjustment without having to remove the hood during use.

Wide-angle prime 35mm f/3.5 lens is designed for Pentax 645 medium format digital cameras, where it provides a 35mm-equivalent 27.5mm focal length, as well as 645 film cameras, where the equivalent focal length is 21.5mm.
The 10 elements in 7 groups construction incorporates one glass-molded aspherical element, one hybrid aspherical element, and one high refractive index low dispersion element, which all combine to significantly reduce chromatic and spherical aberrations, as well as provide edge-to-edge sharpness and illumination.
An HD coating has been applied to individual elements to minimize lens flare and ghosting for increased contrast and color fidelity when working in strong lighting conditions and backlit situations.
An 11.8" minimum focusing distance pairs with a 1:4 maximum magnification ratio for working with close-up subjects.
The integrated autofocus motor benefits from an inner-focusing mechanism for quick, responsive performance. This design also maintains the overall lens length during use for easier handling.
Rounded nine-blade diaphragm produces a smooth out-of-focus quality when working with selective focus and shallow depth of field techniques.
A Super Protect coating has been applied to the front element to guard against dust, moisture, and smudging.
The included lens hood incorporates a polarizer filter window to permit adjustment over the filter orientation without having to remove the lens hood during use.
UPC: 027075295216
In the Box
Pentax HD PENTAX-D FA645 35mm f/3.5 AL [IF] Lens
  • PH-RBE82 Lens Hood
  • Front Lens Cap
  • Rear Lens Cap
  • S120-150 Lens Soft Case
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Pentax FA645 specs

    Focal Length 35 mm
    Aperture Maximum: f/3.5
    Minimum: f/32
    Camera Mount Pentax 645
    Angle of View @ Infinity 76°
    Minimum Focus Distance 11.81" / 30 cm
    Diaphragm Blades 9
    Optical Design 10 Elements in 7 Groups
    Magnification 0.25x
    DOF Scale Yes
    Distance Scale Yes
    Autofocus Yes
    Filter Thread Front: 82 mm
    Dimensions Approx. 3.46 x 3.54" (88 x 90 mm)
    Weight 1.25 lb / 570 g
    Packaging Infodrzqqsyyyafzxtrzzr
    Package Weight 2.05 lb
    Box Dimensions (LxWxH) 6.6 x 6.3 x 4.9"

    Pentax FA645 reviews

    HD PENTAX-D FA645 35mm f/3.5 AL [IF] Lens is rated 4.7 out of 5 by 7.
    Rated 5 out of 5 by from Improved performance This is the newer, much improved version of the older 35mm. It clearly demonstrates excellent performance on the demanding Pentax 645Z camera. And I can conveniently use a CPL with the hood on. Highly recommended
    Date published: 2016-01-18
    Rated 5 out of 5 by from Stellar wide-angle for the 645Z... Nice improvement on a classic focal length for the Pentax 645 series cameras. Beautiful rendering for landscapes and other wide-angle work, this lens is must have for any owner of the 645Z, which is the camera I use it on. Highly recommended.
    Date published: 2016-02-21
    Rated 5 out of 5 by from awesome its a great lens for landscape
    Date published: 2016-02-15
    Rated 4 out of 5 by from Fast, compact and sharp I upgraded to this from the old manual focus which was also very sharp. I wanted the auto focus and wide aperture for faster shooting in people places like bars, clubs and on the street. Also with its 28mm (35mm Fullframe)equalency I use for city and landscapes. Lens is easy to handhold compared to the larger 25-48zoome.
    Date published: 2016-01-17
    Rated 5 out of 5 by from Sharp images for this AF lens I was very pleased by the photos I made, this is a very sharp lens. I however spent a lot of time finding out how to have the lens working in AF (autofocus). The information regarding this aspect is very bad, and even the Pentax site does not really affirm the lens is AF. I even started to think that the lens was only MF capable!! I finally discovered that the focusing ring is push/pull. If you push the ring forward, the lens works with AF, if you pull backwards, it is MF (manual focus). Pentax should improve the information regarding this aspect.
    Date published: 2016-09-09
    Rated 5 out of 5 by from Fine lenses I have this lenses for a few months, had used it on both 645N and 645Z, picture is fine, nice feature it still keeping the aperture ring work with both camera, and large lenses hood keep the flare in check. Wish the lenses has weather and water splash proof feather like the Pentax d fa 150-450mm full frame lenses. Overall, the price is right.
    Date published: 2017-07-24
    Rated 4 out of 5 by from Excellent lens! Superb lens. I take one star off because it really should have been an f/2.8, or 2.0. 3.5 is a little slow, but otherwise, couldn't be better. Sharp, good contrast, good color behavior. Not sure if I like that the aperature is manual. It is rare that this is useful for me, and it complicates outdoor use, which is the prime purpose of a wide angle.
    Date published: 2016-03-20
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