• 1/2.33 inch 28.2mm2
  • 12.2 megapixels
  • 27.00mm - 124.00mm (35mm eq.)
  • Medium format 1,436.6mm2
  • 51.4 megapixels
  • ISO 100 - 204,800
  • Detailed specifications
  • Samsung TL225
  • Pentax 645Z
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Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Pentax 645D
645D vs 645Z
Successor:    
General
Model Number: TL225 645Z
Alternate Model Number(s): ST550  
Camera Format: Compact Pro SLR
Currently Manufactured: No Yes
Retail Price: $350.00 $8499.95
Street Price:   $4,845.43
Date Available: 2009-09-30 2014-06-15
Tripod Mount: Yes Yes
Weight: 5.8 oz (164 g)
includes batteries
54.9 oz (1,555 g)
includes batteries
Size: 3.9 x 2.4 x 0.7 in.
(100 x 60 x 19 mm)
6.1 x 4.6 x 4.8 in.
(156 x 117 x 123 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer:   Sony
Effective Megapixels: 12.2 51.4
Sensor Format: 1/2.33 inch Medium format
Sensor size: 28.198mm2 (6.13mm x 4.6mm) 1436.64mm2 (43.80mm x 32.80mm)
Approximate Pixel Pitch: 1.53 microns 5.31 microns
Focal Length Multiplier: n/a 0.8x
Aspect Ratio: 4:3, 16:9 4:3
Color Filter Type:   RGBG
Anti Aliasing Filter:   None
Self-Cleaning: No Yes
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: 4000 x 3000 (12.0 MP, 4:3),
3984 x 2656 (10.6 MP, 3:2),
3840 x 2160 (8.3 MP, 16:9),
3264 x 2448 (8.0 MP, 4:3),
2560 x 1920 (4.9 MP, 4:3),
2048 x 1536 (3.1 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
1024 x 768 (0.8 MP, 4:3)
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)
Image File Format: JPEG (Exif 2.21) JPEG, 14-bit PEF / DNG RAW, TIFF
Continuous-mode frames/second: n/a 3.1
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30/​15)
640x480 (30/​15)
320x240 (60/​30/​15)
1920x1080 (60i/​50i/​30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p/​24p)
Movie File Format: H.264 (MPEG4.AVC) MOV (MPEG-4 AVC/H.264) with stereo sound; Motion JPEG (AVI) for Interval Movie Record
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: n/a Pentax 645 bayonet
Lens: Schneider-Kreuznach Varioplan n/a
Focal Length (35mm equivalent): 27 - 124mm  
Focal Length (actual): 4.9 - 22.5mm  
Zoom Ratio: 4.60x  
Aperture Range: f/3.5 (wide) / f/5.9 (tele) - ???  
Integrated ND Filter: No No
Normal Focus Range: 80 cm to Infinity
31.5 in to Infinity
 
Macro Focus Range: 5 - 80 cm
2.0 - 31.5 in
 
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: Yes
Digital Zoom Values: 5x  
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detection TTL 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)
Auto Focus Assist Light? Yes No
Manual Focus: No Yes
Viewfinder
Viewfinder: 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)
Focus Peaking: No Yes
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):   0.78x
Viewfinder Magnification (nominal/claimed):   0.62x
Display
Eye-level Viewfinder: No Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.5 3.2
Rear Display Resolution: 1,152,000 dots 1,036,800 dots (345,600 px)
Touchscreen: No No
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom:   16.0x
Top Deck Display: Yes
Exposure
Maximum ISO (native):   204800
Minimum ISO (native):   100
ISO Settings: 80, 100, 200, 400, 800, 1600, 3200 Auto, 100-204800 in 1, 1/2 or 1/3EV steps
Auto ISO Mode: No Yes
White Balance Settings: Auto, Daylight, Cloudy, Fluorescent H, Fluorescent L, Tungsten, Manual 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
Shutter Speed Range: 1/2000 - 8 sec 1/4000 - 30 sec
Bulb Mode: No Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: Multi-pattern, center-weighted, spot, face detection 86K-pixel RBG sensor: Multi-segment metering, Center-weighted metering, Spot metering
Program Auto Exposure: Yes Yes
Aperture Priority: No Yes
Shutter Priority: No Yes
Full Manual Exposure: No Yes
Creative Exposure Modes: Action, Backlight, Backlight Portrait, Beach, Beauty shot, Blue Sky, Children, Close up Text, Dawn, Fireworks, Frame Guide, Landscape, Macro, Macro Portrait, Macro Text, Natural Green, Natural Portrait, Night, Night Portrait, Portrait, Snow, Sunset, Tripod, White 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 10 seconds 2 or 12 seconds
Time Lapse (intervalometer): No Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: Auto, Auto w/ red-eye reduction, On, Slow-sync, Off P-TTL; high-speed sync, wireless sync supported with compatible flash unit
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a n/a
Max Flash Sync:   1/125
Flash Exposure Compensation:   -2 to +1 EV
External Flash Connection: n/a Hot shoe, X-sync socket
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: microSD / microSDHC SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No Yes
RAW Capture Support: No Yes
Uncompressed Format:   14-bit PEF / DNG RAW, TIFF
Movie File Format: H.264 (MPEG4.AVC) MOV (MPEG-4 AVC/H.264) with stereo sound; Motion JPEG (AVI) for Interval Movie Record
Included Memory: 55.0 MB No memory included
Included Memory Type: built-in memory  
Connectivity
Built-In Wi-Fi: No No
NFC: No No
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: No Yes
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 3.0 Super Speed
PictBridge Compliant: Yes No
DPOF Compliant: Yes No
Remote Control: Yes Yes
Remote Control Type: Optional Wireless Optional wired or wireless
Connections (extended): HDMI connectivity requires optional adapter. Micro (Type-D) HDMI, DC input, Stereo microphone jack, wired remote socket
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 1.91 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 Yes
JPEG shooting speed in burst mode (fps, max resolution):   3.1
Buffer size for JPEG shooting in burst mode (frames, max resolution):   12
RAW shooting speed in burst mode (fps):   3.1
Buffer size for RAW shooting in burst mode (frames):   10
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): 0.36 seconds 0.16 seconds
Shutter lag (full AF, tele): 0.47 seconds  
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): 0.126 seconds 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: 1.9 seconds 1.5 seconds
Play -> Record Time:   0.7 seconds
Flash cycle time, full power: 4.5 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 180 shots  
Battery Life, Still (CIPA Rating OVF/EVF):   650 shots
Battery Life, Video:    
Battery Form Factor: Proprietary SLB-07A Proprietary D-LI90
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary SLB-07A Lithium-ion rechargeable 1 x Proprietary D-LI90 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: No
Software
Included Software:    
OS Compatibility:    
Miscellaneous
Notes & Features: Rear-panel LCD is a touch-panel with gesture support and haptic feedback. You can mark an X on an image to delete it, or an O to rotate it. When an on-screen button is touched the screen vibrates gently as a form of tactile confirmation. Also has "hidden" secondary low-res 1.5", 61,000 dot LCD touch panel on front of camera which is used as a viewfinder for self portrait modes, and can also show a timer countdown, the camera's key settings, a "Smiley" prompt for the Smile Shutter feature, or an animation to attract a child's attention and have them look at the camera. 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.