• Medium format 1,436.6mm2
  • 51.4 megapixels
  • ISO 100 - 204,800
  • Medium format 1,350.0mm2
  • 64.0 megapixels
  • ISO 100 - 50,000
  • Detailed specifications
  • Pentax 645Z
  • Leica S3
Links
Prices: Compare Prices  
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax 645D
645D vs 645Z
Leica S2
S2 vs S3
Successor:    
General
Model Number: 645Z S3
Alternate Model Number(s):    
Camera Format: Pro SLR Pro SLR
Currently Manufactured: Yes Yes
Retail Price: $8499.95 $19.00
Street Price: $4,845.43  
Date Available: 2014-06-15 2020-03-06
Tripod Mount: Yes Yes
Weight: 54.9 oz (1,555 g)
includes batteries
44.4 oz (1,260 g)
includes batteries
Size: 6.1 x 4.6 x 4.8 in.
(156 x 117 x 123 mm)
6.3 x 4.7 x 3.1 in.
(160 x 120 x 80 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony  
Effective Megapixels: 51.4 64.0
Sensor Format: Medium format Medium format
Sensor size: 1436.64mm2 (43.80mm x 32.80mm) 1350mm2 (45.00mm x 30.00mm)
Approximate Pixel Pitch: 5.31 microns 4.59 microns
Focal Length Multiplier: 0.8x 0.8x
Aspect Ratio: 4:3 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: None None
Self-Cleaning: Yes No
Sensor shift image stabilization: No No
On-Sensor Phase Detect: No No
DxO Sensor Score: 101  
DxO Color Depth Score (bits): 26.0  
DxO Dynamic Range Score (evs): 14.7  
DxO Maximum Effective ISO Score (iso): 4,505  
Image Capture
Image Resolution: 8256 x 6192 (51.1 MP, 4:3),
6192 x 5184 (32.1 MP, Other),
5376 x 4032 (21.7 MP, 4:3),
1920 x 1440 (2.8 MP, 4:3)
9800 x 6530 (64.0 MP, 3:2)
Image File Format: JPEG, 14-bit PEF / DNG RAW, TIFF JPEG, RAW (Adobe .DNG), RAW+JPEG Fine/Basic
Continuous-mode frames/second: 3.1 3.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60i/​50i/​30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p/​24p)
4096x2160 (24p)
1920x1080 (30p/​25p/​24p)
Movie File Format: MOV (MPEG-4 AVC/H.264) with stereo sound; Motion JPEG (AVI) for Interval Movie Record MOV (motion JPEG)
Composite Video Out: No No
NTSC/PAL Switchable Video: n/a n/a
Video Usable as Viewfinder: n/a n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Pentax 645 bayonet Leica S bayonet
Lens: n/a n/a
Focal Length (35mm equivalent):    
Focal Length (actual):    
Zoom Ratio:    
Aperture Range:    
Integrated ND Filter: No No
Normal Focus Range:    
Macro Focus Range:    
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No
Digital Zoom Values:   n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 27-point SAFOX 11+ Phase Difference Detection (25 cross type focus points in the center): Spot, Select, Expanded Area AF (S, M, L), Zone Select, Auto (27 AF Points) Phase-detect TTL with central cross-hair sensor: Choice of AFs (single) = Sharpness priority, AFc (continuous) = Shutter release priority, MF (manual), Manual override of automatic setting possible at any time; Contrast detect AF during live view at any point in image
Auto Focus Assist Light? No No
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD Optical / LCD
Viewfinder Type: Trapezoid prism finder w/ interchangeable Natural-Bright-Matte focusing screen; Coverage: ~98%; Magnification: ~0.62x (55mmF2.8 at infinity), ~0.85x (75mmF2.8 at infinity); Diopter: -3.5 m to + 2.0 m-1; Eye Relief: ~21 mm (from view window), ~24.1 mm (from center of lens) High eyepoint pentaprism viewfinder, 98% coverage, 0.87x magnification, -3 to +1 diopter correction, interchangeable focusing screen, ground glass screen with microprism ring and split image (standard)
Focus Peaking: Yes Yes
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.78x 1.09x
Viewfinder Magnification (nominal/claimed): 0.62x 0.87x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.2 3.0
Rear Display Resolution: 1,036,800 dots (345,600 px) 921,600 dots
Touchscreen: No No
Articulating Screen: Yes No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 16.0x  
Top Deck Display: Yes Yes
Exposure
Maximum ISO (native): 204800 50000
Minimum ISO (native): 100 100
ISO Settings: Auto, 100-204800 in 1, 1/2 or 1/3EV steps Auto, 100, 200, 400, 800, 1600, 3200, 6400, 12500, 25000, 50000
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Multi Auto, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N: Daylight White, W: Cool White, L: Warm White), Tungsten, Flash, CTE; Manual mode(s): 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 Automatic, Daylight, Cloudy, Shade, Incandescent, HMI, Fluorescent, Halogen warm, Halogen cool, Flash, Tungsten, Grey card (determined from image), Grey card Live View, Color temperature (Kelvin)
Shutter Speed Range: 1/4000 - 30 sec 1/4000 - 125 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 3.0EV in 0.5EV steps
Metering Modes: 86K-pixel RBG sensor: Multi-segment metering, Center-weighted metering, Spot metering Multi-segment (5 fields), Center-weighted, Spot (3.5% of image frame)
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Sensitivity Priority, Shutter & Aperture Priority; HDR Capture: Auto, Type1, Type2, Type3, Exposure Bracket Value adjustable, Auto Align (automatic composition correction function) available; Custom Image: Bright, Natural, Portrait, Landscape, Vibrant, Radiant, Muted, Bleach Bypass, Reversal Film, Monochrome, Cross Processing (Random, Preset 1-3, Favorite 1-3)  
Self Timer: 2 or 12 seconds 2, 12 seconds
Time Lapse (intervalometer): Yes  
High Resolution Composite: No No
Flash
Built-in Flash: No No
Flash Modes: P-TTL; high-speed sync, wireless sync supported with compatible flash unit TTL pre-flash metering, with automatic transmission and consideration of sensitivity and set/controlled lens aperture, all exposure modes available, automatic adaptation of flash light component to available light; First or second curtain sync
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a n/a
Max Flash Sync: 1/125 1/125 or 1/1000 depending on lens (shutter type)
Flash Exposure Compensation: -2 to +1 EV +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot shoe, X-sync socket Hot shoe
Built-In Wireless Flash Control:   No
Image Storage
Usable Memory Types: SD / SDHC / SDXC CF1 / SD / SDHC / SDXC
UHS Support: UHS-I No UHS support
Other Memory:   Dual SD + CF (UDMA7)
Dual Card Slots: Yes Yes
RAW Capture Support: Yes Yes
Uncompressed Format: 14-bit PEF / DNG RAW, TIFF RAW (Adobe .DNG), RAW+JPEG Fine/Basic
Movie File Format: MOV (MPEG-4 AVC/H.264) with stereo sound; Motion JPEG (AVI) for Interval Movie Record MOV (motion JPEG)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No No
Bluetooth: No No
Built-In GPS: No Yes
Microphone Jack: Yes Yes
Headphone Jack: No Yes
External Connections: USB 3.0 Super Speed USB 3.0 Super Speed,WiFi
PictBridge Compliant: No No
DPOF Compliant: No No
Remote Control: Yes Yes
Remote Control Type: Optional wired or wireless Cabled or Wi-Fi
Connections (extended): Micro (Type-D) HDMI, DC input, Stereo microphone jack, wired remote socket Mini HDMI Type C, X-sync, 7-pin LEMO socket for remote accessories, contact strip for multi-function hand grip, audio in (3.5 mm jack) and audio out (3.5 mm jack) with audio adapter S (supplied with the camera)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.35  
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.33  
Buffer size for RAW shooting in single shot mode (frames): 10  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 0.33  
Camera penalizes early shutter press? Yes
JPEG shooting speed in burst mode (fps, max resolution): 3.1 3.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 12 Unlimited
RAW shooting speed in burst mode (fps): 3.1 3.0
Buffer size for RAW shooting in burst mode (frames): 10 6
RAW+JPEG shooting speed in burst mode (fps): 3.1  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 10  
Shutter lag (full AF, wide/mid): 0.16 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR): 1.17 seconds  
Shutter lag (prefocused, live view - DSLR): 0.385 seconds  
Shutter Lag (manual focus): 0.117 seconds  
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.112 seconds  
Shutter Lag (notes): OVF: Full AF lag, wide-area mode = 0.170s Live View: Full AF lag, Spot AF mode = 1.174s Prefocused = 0.385s  
Startup Time: 1.5 seconds  
Play -> Record Time: 0.7 seconds  
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 650 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI90 Proprietary 7.4V, 2850mAh
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI90 Lithium-ion rechargeable 1 x 7.4V, 2850mAh Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes No
Internal Charging Supported: No No
Software
Included Software:    
OS Compatibility:    
Miscellaneous
Notes & Features: New 51.4MP AA-filterless CMOS sensor, PRIME III processor, 27-point SAFOX 11 AF, 86K RGB metering, Full HD video up to 60i, tilting LCD monitor with Live View, 3fps full-res continuous burst mode.