Pentax smc FA 645 150mm f/2.8 IF Lens

Pentax smc FA 645 150mm f/2.8 IF Lens

Pentax smc FA 645 150mm f/2.8 IF Lens

B&H # PE15028CH MFR # 26345
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Product Highlights

  • Pentax 645 Mount
  • 35mm-Equivalent Focal Length: 118mm
  • Aperture Range: f/2.8-22
  • Internal Focusing
  • High-Refraction, Low-Dispersion Glass
  • Super Multi Coating
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Pentax 26345 overview

  • 1Description

The smc FA 645 150mm f/2.8 IF Lens from Pentax is a medium format, manual and autofocusing telephoto lens with a 35mm-equivalent focal length of 118mm. Its fairly fast f/2.8 maximum aperture enables effective low-light shooting with pretty shallow depth of field, and helps produce a natural out-of-focus (bokeh) effect for backgrounds. High-refraction and extra-low dispersion glass help minimize chromatic aberrations and allow for sharp imaging performance with high contrast and clarity. The Super Multi Coating also contributes to high sharpness and contrast. An inner focus system is used to minimize lens extension when focusing, allowing for a closer minimum focus distance. A large hood with a PL filter operation window is included to enable the use of a circular polarizing filter while checking the results through the camera's viewfinder.

Medium format, manual and autofocusing telephoto lens with a 35mm-equivalent focal length of 118mm
Fairly fast f/2.8 maximum aperture enables effective low-light shooting with pretty shallow depth of field, and helps produce a natural out-of-focus (bokeh) effect for backgrounds. Aperture can be stopped down to f/22 using the aperture ring in manual mode. Alternatively, full automatic diaphragm control is available
High-refraction and extra-low dispersion glass help minimize chromatic aberrations and allow for sharp imaging performance with high contrast and clarity
Super Multi Coating also contributes to high sharpness and contrast
An inner focus system is used to minimize lens extension when focusing, allowing for a closer minimum focus distance
Large hood with a PL filter operation window is included to enable the use of a circular polarizing filter while checking the results through the camera's viewfinder
UPC: 027075048577
In the Box
Pentax smc FA 645 150mm f/2.8 IF Lens
  • Large Hood with PL Filter Operation Window
  • Front and Rear Caps
  • Soft Lens Case
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Pentax 26345 specs

    Focal Length 150 mm
    Aperture Maximum: f/2.8
    Minimum: f/22
    Camera Mount Pentax 645
    Angle of View @ Infinity 21°
    Minimum Focus Distance 3.94' / 1.2 m
    Diaphragm Blades 8
    Optical Design 7 Elements in 7 Groups
    Magnification 0.15x
    Maximum Reproduction Ratio 1:6.7
    Autofocus Yes
    Filter Thread 67 mm
    Dimensions Approx. 2.93 x 3.78" (74.5 x 96 mm)
    Weight 1.10 lb / .5 kg
    Packaging Inforuuersbqvdfsuscusvxvbexazacxx
    Package Weight 2.05 lb
    Box Dimensions (LxWxH) 8.898 x 6.457 x 4.095"

    Pentax 26345 reviews

    smc FA 645 150mm f/2.8 IF Lens is rated 4.8 out of 5 by 4.
    Rated 5 out of 5 by from Fast and sharp FA 645 150mm f/2.8 I have had a chance to use this lens in the field and it is super! Fast, very sharp and compact. The only small annoying thing about these serries of Pentax lenses is the way you can slip in and out of auto focus very easily. The barrell can slip into manual mode without much presure. This happend to me while on a portrait shoot and made me look a bit silly in front of my cleint. It was my first time with the lens so I have figured out this little issue so I know to be careful whild using these lenses.
    Date published: 2015-02-19
    Rated 4 out of 5 by from Manual Old Man I purchased this lens for a 645z. I know it is not the current generation class of lenses for the z, but it does have the proper coverage for the image. It has a manual aperture ring with an auto lock button on it (A); works fine in both modes. When comparing the images in a two shot test I noticed a half f-stop difference in the two. The lens was closed down to f22, ISO/200, shutter speed/125. I viewed the un-manipulated images in Photoshop. There is no noticeable loss in depth of field but the brightness is higher in the auto/aperture mode by +23 index points on the brightness/contrast non-destructive layer adjustment. Not sure why. It could be a difference in an internal algorithm that might process the exposure differently when set to full manual control. This is NOT a major issue, but it might have an effect on your final image depending on what you are after. I am an old film guy and have noticed that digital is much more sensitive to light than film. Perhaps the manual aperture adjustment is tuned to simulate a film response with regard to brightness. Otherwise it is a firmware issue. That is not a conclusion, just a guess.
    Date published: 2017-01-08
    Rated 5 out of 5 by from Sharp and warm images I bought this lens because my 90mm 2.8 lens is a little bit short for headshots... The 150mm is much cheaper but offers excellent sharpness, and a beautiful bokeh... An additional advantage of the lens is that the AF works also with my 645N film camera... The newer lenses with the faster and quieter SDM autofocus won't have the AF working with the older film cameras...
    Date published: 2017-11-17
    Rated 5 out of 5 by from Outstanding lens with a couple of forgivable quirks I don't buy lenses very often. I use a select number of primes for specific purposes and so far the 55mm/2.8 and the 90mm/2.8 macro have been excellent for all my studio shooting. But I decided that I needed to get tighter framed shots, portrait closeups usually, so I bought the 150mm/2.8. After a handful of shoots I can say I am very happy with it. The sharpness is outstanding, even wide open at f/2.8, and the contrast and rendering superb. It focuses quickly -- though screwdrive is noisy compared to SDM -- in most any light except strong backlight. The AF-to-manual mode select is a curious thing I was not used to, but it is a "vintage" design after all, so I bear with it and am getting used to it. Not a big deal. Manual focussing feels smooth without play, and is easy of course thanks to the 645Z's large viewfinder. Summary: a well worthwhile purchase and I'd buy it again.
    Date published: 2018-06-14
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