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Pentax 645Z Digital Body (50MP)

$250.00 per 1 day(s)
Replacement Value: $8,499.00
SKU: SK21917586

Pentax 645Z Digital Body (50MP)

The Pentax 645Z Medium Format DSLR Camera features a 43.8 x 32.8 mm CMOS sensor with 51.4 effective megapixels. The sensor is designed without an anti-aliasing filter to maximize sharpness and details. RAW files can be recorded at 14-bit and saved using either the proprietary PEF format or Adobe's DNG format. ***Please note: This camera system does not tether to Capture One.

  • 51.4MP CMOS Sensor - 43.8 x 32.8 mm
  • Records to SD Card
  • Prime III Image Processor
  • Anti-Alias Filter-Less Design
  • 3.2" 1037K Dot Tiltable Air-Gapless LCD
  • Full HD 1080 60i/30p/24p Video Capture
  • ISO Sensitivity Range of 100 - 204,800
  • SAFOX II TTL 27 Point Autofocus System
  • 3 fps Continuous Shooting
  • Weather Sealed Magnesium Alloy Body

Model Description


TTL autofocus, auto-exposure medium format digital SLR camera

Lens Mount

PENTAX 645AF2 mount with AF coupler, lens information contacts, and power contacts Usable


PENTAX 645AF2, 645AF and 645A mount lenses compatible, KAF, KA mount lens

Image Capture Unit

Image Sensor

Type: CMOS with a primary color filter, Size: 43.8 x 32.8 (mm)

Effective Pixels

Approx. 51.4 megapixels

Total Pixels

Approx. 52.99 megapixels

Dust Removal

Image sensor cleaning using ultrasonic vibrations "DR II" with the Dust Alert function

(Standard output)

ISO AUTO/100 to 204800 (EV steps can be set to 1EV, 1/2EV, or 1/3EV)

Image Stabilizer

Lens-shift type (By using SR system lens)

File Formats

Recording Formats

RAW (PEF/DNG), TIFF, JPEG (Exif 2.30), DCF2.0 compliant

Recorded Pixels

JPEG: L (51M: 8256 x 6192), M (36M: 6912 x 5184), S (21M: 5376 x 4032), XS (3M: 1920 x 1440)
RAW: L (51M: 8256 x 6192) TIFF: L (51M: 8256 x 6192)

Quality Level

RAW (14 bit): PEF, DNG JPEG:★★★(Best), ★★(Better), ★(Good), RAW + JPEG simultaneous recording available

Color Space

sRGB, AdobeRGB

Storage Media

SD, SDHC*, SDXC* memory card, Eye-Fi card, FLUCARD *UHS-I compatible

Dual Card Slot

Sequential save, Save to Both Dual save, Separate RAW/JPG, Copying images between slots possible

Storage Folder

Folder Name: Date (100_1018, 101_1019...) or user-assigned (default: PENTX)

Storage File

File Name: user-assigned (default: IMGP****) File No.: Sequential Numbering, Reset



Keplerian telescopic trapezoid prism finder

Coverage (FOV)

Approx. 98%


Approx. 0.62 x (55mmF2.8 at infinity), Approx. 0.85 x (75mmF2.8 at infinity)

Eye-Relief Length

Approx. 21 mm (from the view window), Approx 24.1 mm (from the center of lens)

Diopter Adjustment

Approx. -3.5 m to +2.0 m-1

Focusing Screen

Interchangeable Natural-Bright-Matte focusing screen

Live View


TTL method using CMOS image sensor

Focus Method

Contrast detection AF (Face Detection, Tracking, Multiple AF Points, Select, Spot) Focus Peaking: ON/OFF


Field of view: approx. 100 %, Magnified view (2x, 4x, 8x, 12x, 16x), Grid Display (Grid Style: 4x4 Grid, Golden Section, Scale, Square 1, Square 2, Grid Color: translucent black, translucent white), Histogram, Highlight Alert, Rotate Display 180°

LCD Monitor


Tiltable TFT color LCD monitor featuring an air-gapless structure with an AR-coated, tempered-glass front panel


3.2 inch


Approx. 1037K dots


Brightness, Saturation and Color adjustable

White Balance


Combination system of CMOS image and light source detection sensors

White Balance

Auto, Multi Auto, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N: Daylight White, W: Cool White, L: Warm White), Tungsten Light, Flash, CTE, Manual (up to 3 settings can be saved), Color Temperature (up to 3 settings can be saved), Copying the white balance settings of a captured image possible

Fine Adjustment

Adjustable ±7 steps on A-B axis or G-M axis

Autofocus System


TTL: phase-matching autofocus

Focus System

SAFOX 11, 27 AF points (25 cross-type focus points in the center)

Brightness Range

EV -3 to 18 (ISO 100, at normal temperature)

AF Modes

Single AF (AF.S), Continuous AF (AF.C), Focus operation customizable

Focusing Area Selection Modes

Spot, Select, Expanded Area AF (S, M, L), Zone Select, Auto (27 AF Points)

Exposure Control


TTL open aperture metering using 86K pixel RGB sensor Metering Modes: Multi-segment metering, Center-weighted metering, Spot metering

Metering Range

V -1 to 21 (ISO100 at 55mmF2.8)

Exposure Modes

Program, Sensitivity Priority, Shutter Priority, Aperture Priority, Shutter & Aperture Priority, Manual, Bulb, Flash X-sync Speed, USER1, USER2, USER3

EV Compensation

±5 EV (1/3 EV steps or 1/2 EV steps can be selected)

AE Lock

Button type (timer-control: two times the meter operating time set in Custom Setting), Continuous as long as the shutter release button is halfway pressed

Exposure Bracketing

2, 3 or 5 frames, Available with Continuous, Self-timer or Remote Control



Electronically controlled vertical-run focal plane shutter

Shutter Speed

Auto: 1/4000 to 30 sec., Manual: 1/4000 to 30 sec. (1/3 EV steps or 1/2 EV steps), Bulb

Drive Modes

Mode Selection

Single Frame, Continuous (H, L), Self-timer (12 sec., 2sec.), Remote Control (immediately, 3 sec., continuous), Multi-exposure (available with Continuous, Self-timer or Remote Control), Interval Shooting, Interval Composite
Remote Control, Interval Movie Record

Mirror Lock-up Shooting

Available with Continuous, Self-timer, Remote Control or Multi-exposure

Continuous Shooting

Max. approx. 3 fps, JPEG (L:★★★ at Continuous H): up to approx. 30 frames, RAW: up to approx. 10 frames, TIFF: up to approx. 12 Max. approx. 1 fps, JPEG (L:★★★ at Continuous L): up to approx. 300 frames, RAW: up to approx. 25 frames, TIFF: up to approx. 15 *When the sensitivity is set to ISO100.


Composite Mode: Additive, Average, Bright, Number of Shots: 2 to 2000 images

Interval Shooting

Interval: 2 sec. to 24 hr. Number of Shots: 2 to 2000 images Start Interval: Now, Set Time
Recorded Pixels: 4K, Full HD, HD Interval: 2 sec. to 1 hr. Recording Time: 14 sec. to 99 hr. Start Interval: Now, Set Time


Flash Modes

Flash On, Flash On+Red-eye Reduction, Slow-speed Sync, Slow-speed Sync+Red-eye, P-TTL, Trailing Curtain Sync, contrast-control-sync, high-speed sync, wireless sync (available with a dedicated external flash)

Sync Speed

1/125 sec.

Flash Exposure Compensation

'-2.0 to + 1.0 EV

Capture Settings

Custom Image

Bright, Natural, Portrait, Landscape, Vibrant, Radiant, Muted, Bleach Bypass, Reversal Film, Monochrome, Cross Processing

Cross Processing

Random, Preset 1-3, Favorite 1-3

Noise Reduction

Slow Shutter Speed NR, High-ISO NR

Dynamic Range Settings

Highlight Correction, Shadow Correction

Lens Correction

Distortion Correction, Lateral Chromatic Aberration Correction, Peripheral Illumination Correction, Diffraction Correction

HDR Capture

Auto, Type1, Type2, Type3, Exposure Bracket Value adjustable, Auto Align (automatic composition correction function) available

Electronic Level

Displayed in viewfinder and LCD panel (horizontal direction only); displayed on LCD monitor (horizontal direction and vertical direction)


File Formats

MPEG-4 AVC/H.264 (MOV) *Motion JPEG (AVI) for Interval Movie Record

Recorded Pixels

Full HD (1920 x 1080, 60i/50i/30p/25p/24p), HD (1280 x 720, 60p/50p/30p/25p/24p)


Built-in stereo microphones, external microphone (stereo recording compatible), Recording Sound Level adjustable

Recording Time

Up to 25 minutes; automatically stops recording if the internal temperature of the camera becomes high.

Custom Image

Bright, Natural, Portrait, Landscape, Vibrant, Radiant, Muted, Bleach Bypass, Reversal Film, Monochrome, Cross Processing

Cross Processing

Random, Preset 1-3, Favorite 1-3

HDR Capture *Available only for Interval Movie Record

Auto, Type1, Type2, Type3, Exposure Bracket Value adjustable

Playback Functions

Playback View

Playback View...Single image display, Multi-image display (6, 12, 20, 35, 80 thumbnails), Image magnification (up to 16x, 1x display and quick zoom available), Grid Display (Grid Style: 4x4 Grid, Golden Section, Scale, Square 1, Square 2, Grid Color: translucent black, translucent white), Rotated image display, Histogram (Y histogram, RGB histogram), Highlight Alert, Auto Image Rotation, Detailed Information Display, Copyright Information (Photographer, Copyright Holder), Folder Display, Calendar Filmstrip Display, Slideshow, GPS information (latitude, longitude, altitude, Coordinated Universal Time (UTC)


Single image, all images, select & delete, folder, Instant Review image

Digital Filter

Base Parameter Adj, Extract Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Bold Monochrome, Tone Expansion, Sketch, Water Color, Pastel, Posterization, Miniature, Soft, Starburst, Fish-eye, Slim

RAW Development

Development options: Select single image, Select multiple images, Select a folder, Development parameters: File Format (JPEG/TIFF), Aspect Ratio, JPEG Recorded Pixels, JPEG Quality, Color Space, Distortion Correction, Lateral Chromatic Aberration Correction, Peripheral Illumination Correction, Diffraction Correction, Color Fringe Correction, White Balance, Custom Image, Digital Filter, HDR, Sensitivity, High-ISO NR, Shadow Correction

Editing Features

Color Moire Correction, Resize, Cropping (aspect ratio can be changed and tilt adjustment is available),Movie Edit (dividing a movie file and deleting unwanted segments), Capturing a JPEG still picture from a movie, Saving RAW Data, Image Copy, Eye-Fi Image Transfer


USER Modes

Up to 3 settings can be saved

Custom Functions

29 items

Mode Memory

11 items

Button Customization/E-dial Programming

RAW/Fx Button: One Push File Format, Optical Preview, Digital Preview AF Button: Enable AF1, Enable AF2, Cancel AF, Preview Dial: Optical Preview, Digital Preview Illumination Button: LCD Panel Illumination, Modeling Flash, Test Flash E-dials (front/rear): customizable to each exposure mode

Enable/Disable Controls

Type1: e-dials (front/rear), EV Compensation button, ISO button, AE Lock button, Green button, Exposure Bracketing button, AF area button Type2: e-dials (front/rear), EV Compensation button, ISO button, AE Lock button, Green button, Exposure Bracketing button, AF area button, four-way controller, AF point change button, OK button, AF button, RAW/Fx button

Text Size

Standard, Large

World Time

World Time settings for 75 cities (28 time zones)


English, French, Germany, Spanish, Portuguese, Italian, Dutch, Danish, Swedish, Finnish, Polish, Czech, Hungarian, Turkish, Greek, Russian, Korean, Traditional Chinese, Simplified Chinese, Japanese

AF Fine Adjustment

±10 step, adjustment for all lenses or individual lenses (up to 20 can be saved)

Copyright Information

Names of "Photographer" and "Copyright Holder" are embedded to the image file. Revision history can be checked using the provided software.

Power Supply

Battery Type

Rechargeable Lithium-ion Battery D-LI90

AC Adapter

AC Adapter Kit K-AC132 (Optional)

Battery Life

Number of recordable images: Approx. 650 images Playback time: Approx. 400 minutes *Tested in compliance with CIPA standard using a fully-charged lithium-ion battery under the temperature of 23°C. Actual results may vary depending on the shooting conditions.


Connection Port

USB 3.0 (micro B), external power supply terminal, cable switch terminal, X-sync socket, HDMI output terminal (Type D) , stereo microphone input terminal

USB Connection


Dimensions and Weight


Approx. 156 mm (W) x 117 mm (H) x 123 mm (D) (excluding protrusions)


Approx. 1550 g (including dedicated battery and an SD memory card) Approx. 1470 g (body only)


Digital Camera Utility 5

Package Contents

Strap O-ST150, Large eyecup 645 O-EC107, Rechargeable Lithium-ion Battery D-LI90, Battery Charger D-BC90, AC plug cord, Software (CD-ROM) S-SW150 (Installed on the camera) Standard eyecup 645, Hot shoe cover FK, Sync socket 2p cap, Body mount cap 645, Triangular ring and protective cover

The contents of this brochure are all copyrighted, and must not be used, duplicated or transmitted, whether in part or in entirety, without permission. This brochure is produced for personal, noncommercial use only, and must not be used for any purpose other than its intended use.
Designs and specifications are subject to change without notice.

Storage capacity (approx.) * When using a 32 GB memory card.

[RAW] 51M(8256×6192): 288 Shots(.PEF/DNG)
[TIFF] 51M(8256×6192):197 Shots
[JPEG...L] 51M(8256×6192): 852 Shots(★★★)/1940 Shots(★★)/3842 Shots(★)
[JPEG...M] 36M(6912×5184): 1213 Shots(★★★)/2753 Shots(★★)/5446 Shots(★)
[JPEG...S] 21M(5376×4032): 1998 Shots(★★★)/4526 Shots(★★)/8851 Shots(★)
[JPEG...XS] 3M(1920×1440): 14796 Shots(★★★)/30979 Shots(★★)/55074 Shots(★)

Movie recording time (approx.) * When using a 32 GB memory card.

[Full HD (1920×1080)]60i...02:10:11/50i...02:34:48/30p...02:10:11/25p...02:34:48/24p...02:40:53
[HD (1280×720)]60p...02:10:12/50p...02:34:48/30p...03:40:22/25p...04:20:23/24p...04:30:13

* You can record up to 25 min. or 4GB movie for one shooting.
* ‘Testing your camera’ refers to confirmed operation by RICOH IMAGING, and is intended for customer convenience but is not a guarantee by RICOH IMAGING to the customer.
* Use a high-speed SD memory card when recording movies. If the writing speed cannot keep up with the recording speed, writing may be interrupted during recording.

Pentax 645z Body



1-SD Card

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