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Pentax 645D Specifications

Discussion in 'Pentax' started by dirk, Sep 14, 2018.

  1. dirk

    Administrator Founder

    Mar 19, 2003
    Likes Received:
    Since the Pentax 645D is nowadays cheap available second hand (the list price was in 2010 around 10.000$), I thought it would be a good idea to collect some technical information about it.

    Here are the specs of the Pentax 645D

    Type TTL autofocus, auto-exposure medium format digital SLR camera
    Effective Pixels approx. 40 megapixels
    Image Sensor Total pixels approx. 40.01 megapixels
    Type CCD with a primary color filter
    Size 44mm x 33mm
    Pixel size 6.0 μm x 6.0 μm
    Dynamic Range 11.5f - stops
    Recorded Pixels Still JPEG: L[40M]7264x5440 pixels, M[32M]6528x4896 pixels [21M]5376x4032 pixels,
    S[13M]4224x3168 pixels [7M]3072x2304 pixels
    RAW: [40M]7264x5440 pixels
    Formats Still RAW(14 bit): (PEF/DNG), JPEG: [​IMG][​IMG][​IMG](Best), [​IMG][​IMG](Better), [​IMG](Good), RAW+JPEG: available
    file Format
    Still RAW (PEF/DNG), JPEG (Conforms to Exif 2.21),
    Conforms to DCF (Design rule of Camera File system) 2.0
    ( Standard output sensitivity )
    Auto:200-1000, Extension:100, 1600 (1EV steps or 1/2EV steps or 1/3EV steps)
    Storage Media SD, SDHC memory card (Dual slot)
    White Balance Auto, Daylight, Shade, Cloudy, Fluorescent Light ( D, N, W, L), Tungsten Light, Flash, CTE, Manual setting 1, Manual setting 2, Manual setting 3, Color temperature setting (3 types) with WB fine adjustment
    Custom Image Bright, Natural, Portrait, Landscape, Vibrant, Muted, Reversal Film, Monochrome
    Viewfinder Type Trapezoid prism finder
    Focusing screen Natural-Bright-Matte focusing screen
    Field of view approx. 98%
    Diopter adjustment approx. -3.5 - +2.0m-1
    Magnification approx. 0.62 x (with D FA645 55mmF2.8 at infinity),
    approx. 0.85 x (with FA645 75mmF2.8 at infinity)
    Monitor Type TFT color LCD monitor, Wide angle view, Brightness adjustable, Color adjustable, AR Coating, Reinforced glass
    Size 3.0 inch
    Dots approx. 921,000 dots
    Preview Method Optical preview, Digital preview
    Playback 1 Image, 2 Image, 4 Image, 9 Image, 16 Image, 36 Image, 81 Image, Enlargement (up to 32X, scroll available), Image Rotation, Folder view, Slideshow, Histogram, Resize, Cropping, Bright/Dark area, Calendar view, Index view
    Digital Filter Playback Mode Monochrome, Extract Color, Color, Base Tweaking, Soft
    Focusing System Type TTL phase difference detection, 11-point autofocus system (SAFOX IX+)
    Focus Mode AF-single, AF-continuous
    Focus Point Auto, Select, Center
    Superimpose available
    Exposure Control Metering System TTL open-aperture 77-segment metering
    Metering Mode (1) Multi-segment metering, (2) Center-weighted metering, (3) Spot metering
    Exposure Range EV 2-21 (at Standard Output Sensitivity 200 with 55mmF2.8)
    Modes (1) Program AE, (2) Sensitivity-Priority AE, (3) Shutter-Priority AE, (4) Aperture-Priority AE, (5) Shutter and Aperture Priority AE, (6) Metered Manual, (7) Bulb, (8) X speed
    AE Lock availiable
    Shutter Shutter Type Electronically controlled vertical-run focal plane shutter
    Shutter Speed Auto:1/4000 - 30 sec, Manual:1/4000 - 30 sec (1/3 EV steps or 1/2 EV steps), bulb
    Drive Modes Single-frame, Continuous (Hi, Lo), Self-timer (12s, 2s), Remote control (0s, 3s ), Remote Continuous Shooting, Interval, Multiple Exposure, Exposure Bracketing, Extended Bracketing
    <Both 1 slot and 2 slot>
    approx. 1.1 fps, RAW(PEF)+JPEG(40M at [​IMG][​IMG][​IMG]): until approx. 13 fps, RAW(PEF): until approx. 13 fps, RAW(DNG): until approx. 13 fps, JPEG(40M at [​IMG][​IMG][​IMG]): until approx. 15 13 fps (Revised number of continuous shooting as of Apr.27,2010)
    Mirror Lock-up
    available by dedicated dial
    Flash Synchronization Hot shoe, X-sync socket, sync-speed: 1/125 sec., P-TTL, high-speed-sync, wireless-sync with PENTAX dedicated external flash
    Dust Removal Image sensor cleaning function by supersonic vibration (DR II) with dust alert function
    Time World Time 75 cities (28 time zones)
    Data Folder Folder Name Date (100_MMDD···), PENTX (100PENTX, 101PENTX···) ,
    File Name Standard, User customize
    Power Sources Rechargeable D-LI90 lithium-ion battery
    Optional AC adapter also available.
    Battery Life Number of
    recordable images
    approx. 800 (23°C) *, approx. 700 (0°C), approx. 650 (-10°C)
    Playback time approx. 440 minutes (23°C) *, approx. 400 minutes (0°C), approx. 380 minutes (-10°C)
    Interfaces USB2.0 (Hi-Speed:mini B type), Video output (mini phone type), HDMI output (type C mini), DC input , Cable switch, X-sync socketc
    Video Output Compatible with NTSC and PAL formats
    Lens Mount PENTAX 645AF2 bayonet mount
    Usable Lens PENTAX 645AF2, 645AF, and 645A mount lenses
    Dimensions approx. 156(W) x 117(H) x 119(D)mm (6.1 x 4.6 x 4.7 inches)
    Weight approx. 1480 g (52.2 oz.) loaded and ready with battery and two SD memory cards
    approx. 1400 g (49.4 oz.) without battery and SD memory card.
    Bundle software PENTAX Digital Camera Utility 4 (Ver.4.20)


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    bensonga likes this.
  2. bensonga


    Aug 31, 2008
    Likes Received:
    Thanks for sharing this info Dirk!

  3. dirk

    Administrator Founder

    Mar 19, 2003
    Likes Received:
    Stop hovering to collapse... Click to collapse... Hover to expand... Click to expand...
  4. bensonga


    Aug 31, 2008
    Likes Received:
    Yes, I am really surprised at how low the prices are now. If I didn’t already have one, I would buy one! Especially attractive MFD option for anyone who already owns some Pentax 645 or 67 lenses.

  5. bensonga


    Aug 31, 2008
    Likes Received:
    Here is my 645D with the outstanding FA 150mm f2.8 lens.

    jotloob and dirk like this.

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