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Tuesday, April 15, 2014
 Ricoh Releases 51.4-Mpixel Pentax 645Z SLR Camera
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Message Text: Ricoh today announced the "Pentax 645Z" medium format digital SLR camera equipped with a large-size 51.4-Mpixel CMOS image sensor.

The new camera was developed based on the Pentax 645D, which was launched in 2010. The main difference between the 645Z and 645D is their image sensor. While the 645D has a 44 x 33mm 40-Mpixel CCD sensor, the 645Z comes with a 43.8 x 32.8mm 51.4-Mpixel CMOS image sensor.

Ricoh Imaging will release the new camera at the end of June 2014. The expected price of the camera is about ¥800,000 (approx US$7,860).




PENTAX 645Z Specifications

Model Description

Type TTL autofocus, auto-exposure medium format digital SLR camera
Lens Mount PENTAX 645AF2 mount with AF coupler, lens information contacts, and power contacts
Usable Lens PENTAX 645AF2, 645AF and 645A mount lenses

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
Sensitivity
(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), 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

Viewfinder

Type Keplerian telescopic trapezoid prism finder
Coverage (FOV) Approx. 98%
Magnification Approx. 0.62 x (55mmF2.8 at infinity), Approx. 0.85 x (75mmF2.8 at infinity)
Eye-Relief Length Approx. 21mm (from the view window), Approx 24.1mm (from the center of lens)
Diopter adjustment Approx. -3.5m to + 2.0m-1
Focusing Screen Interchangeable Natural-Bright-Matte focusing screen

Live view

Type TTL method using CMOS image sensor
Focus Method Contrast detection AF (Face Detection, Tracking, Multiple AF Points, Select, Spot)
Focus Peaking: ON/OFF
Display 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

Type Tiltable TFT color LCD monitor featuring an air-gapless structure with an AR-coated, tempered-glass front panel
Size 3.2 inch
Dots Approx. 1037K dots
Adjustment Brightness, Saturation and Color adjustable

White Balance

Type 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

Type TTL: phase-matching autofocus
Focus Sensor 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 mode 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

Type TTL open aperture metering using 86K pixel RGB sensor
Metering Modes: Multi-segment metering, Center-weighted metering, Spot metering
Metering Range EV -1 to 21 (ISO100 at 55mmF2.8)
Exposure Mode 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

Shutter

Type 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 Stills: 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
Movie: 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.
Multi-Exposure Composite Mode: Additive, Average, Bright
Number of Shots: 2 to 2000 images
Interval Shooting Stills:
Interval: 2 sec. to 24 hr. Number of Shots: 2 to 2000 images Start Interval: Now, Set Time
Movie:
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

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 Setting

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)

Movie

File Format MPEG-4 AVC/H.264(MOV)
*Motion JPEG(AVI) for Interval Movie Record
Recorded Pixels Full HD(1920x1080, 60i/50i/30p/25p/24p)、
HD (1280x720, 60p/50p/30p/25p/24p)
Sound 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 Images Bright, Natural, Portrait, Landscape, Vibrant, Radiant, Muted, Bleach Bypass, Reversal Film, Monochrome, Cross Processing
Cross Processing Randum, 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 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))
Delete 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 Moiré 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

 

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.

Interfaces

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 MSC/PTP

Dimensions and Weight

Dimensions Approx. 156mm (W) x 117mm (H) x 123mm (D) (excluding protrusions)
Weight Approx. 1550g (including dedicated battery and an SD memory card)
Approx. 1470g (body only)

Accessories

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
Software Digital Camera Utility 5


 
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