• 1/1.7 inch 43.3mm2
  • 12.0 megapixels
  • 28.00mm - 112.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 16.1 megapixels
  • 25.00mm - 125.00mm (35mm eq.)
  • Detailed specifications
  • Pentax MX-1
  • Samsung ST72
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: MX-1 ST72
Alternate Model Number(s):    
Camera Format: Mid-Sized Ultra Compact
Currently Manufactured: No No
Retail Price: $499.95 $119.99
Street Price: $399.00 $179.00
Date Available: 2013-02-15 2013-03-30
Tripod Mount: Yes Yes
Weight: 14.1 oz (399 g)
includes batteries
3.8 oz (108 g)
Size: 4.8 x 2.4 x 2.0 in.
(122 x 61 x 51 mm)
3.7 x 2.3 x 0.7 in.
(94 x 58 x 18 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CCD
Sensor Manufacturer: BSI CMOS  
Effective Megapixels: 12.0 16.1
Sensor Format: 1/1.7 inch 1/2.3 inch
Sensor size: 43.32mm2 (7.6mm x 5.7mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 1.90 microns 1.34 microns
Focal Length Multiplier: n/a n/a
Aspect Ratio: 4:3 4:3
Color Filter Type: RGBG  
Anti Aliasing Filter:    
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 49  
DxO Color Depth Score (bits): 20.4  
DxO Dynamic Range Score (evs): 11.3  
DxO Maximum Effective ISO Score (iso): 208  
Image Capture
Image Resolution: 4000 x 3000 (12.0 MP, 4:3),
3984 x 2656 (10.6 MP, 3:2),
3968 x 2232 (8.9 MP, 16:9),
3072 x 2304 (7.1 MP, 4:3),
3072 x 2048 (6.3 MP, 3:2),
3072 x 1728 (5.3 MP, 16:9),
2592 x 1728 (4.5 MP, 3:2),
2560 x 1440 (3.7 MP, 16:9),
2048 x 1152 (2.4 MP, 16:9)
4608 x 3456 (15.9 MP, 4:3),
4608 x 3072 (14.2 MP, 3:2),
4608 x 2592 (11.9 MP, 16:9),
3648 x 2736 (10.0 MP, 4:3),
2592 x 1944 (5.0 MP, 4:3),
1984 x 1488 (3.0 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
1024 x 768 (0.8 MP, 4:3)
Image File Format: JPEG (Exif 2.3), 12-bit DNG RAW JPEG
Continuous-mode frames/second: 4.0 n/a
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p)
1280x720 (60p/​30p)
640x480 (120p)
1280x720 (30p/​15p)
640x480 (30p/​15p)
320x240 (30p/​15p)
Movie File Format: MOV (MPEG-4 AVC/H.264) with stereo sound AVI (Motion JPEG) with monaural sound
Composite Video Out: Yes
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: n/a
HD Video Out: Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: n/a n/a
Lens: smc Pentax Lens, 11 elements in 8 groups (4 aspherical elements) Samsung Zoom
Focal Length (35mm equivalent): 28 - 112mm 25 - 125mm
Focal Length (actual): 6 - 24mm 4.5 - 22.5mm
Zoom Ratio: 4.00x 5.00x
Aperture Range: f/1.8 (W) / f/2.5 (T) - f/8 f/2.5 (wide) / f/6.3 (tele) - ???
Integrated ND Filter: Yes No
Normal Focus Range: 40 cm to Infinity
15.6 in to Infinity
80 cm to Infinity
31.5 in to Infinity
Macro Focus Range: 1 - 20 cm
0.4 - 7.9 in
5 - 80 cm
2.0 - 31.5 in
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes Yes
Digital Zoom Values: Up to 1.95x Up to 5x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detection: Auto, Spot, Tracking , AF Select (25 Points), Infinity Landscape, Manual Focus, Pan Focus, AF Point Switching Contrast Detection: Multi AF, Centre AF, Face Detection AF, Object Tracking AF, Smart Face Recognition AF
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes No
Viewfinder
Viewfinder: No / LCD LCD
Viewfinder Type:    
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):    
Viewfinder Magnification (nominal/claimed):    
Display
Eye-level Viewfinder: No No
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,000 dots (307,000 px)  
Touchscreen: No No
Articulating Screen: Yes No
Tilt Swivel Screen: No
Selfie Screen: No
Max Playback Zoom: 10.0x  
Top Deck Display:
Exposure
Maximum ISO (native): 12800  
Minimum ISO (native): 100  
ISO Settings: Auto (100-12800 with selectable upper limit), 100-12800 Auto, 80, 100, 200, 400, 800, 1600, 3200
Auto ISO Mode: Yes No
White Balance Settings: Auto, Daylight, Shade, Cloudy, Fluorescent light (D:Daylight Color, N:Daylight White, W:Cool White, L:Warm White),Tungsten, Flash Auto, Daylight, Cloudy, Fluorescent_H, Fluorescent_L, Tungsten, Custom
Shutter Speed Range: 1/8000 - 30 sec 1/2000 - 8 sec
Bulb Mode: Yes No
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: Multi-segment, Center-weighted, Spot Multi, Spot, Centre Weighted, Face Detection AE
Program Auto Exposure: Yes Yes
Aperture Priority: Yes No
Shutter Priority: Yes No
Full Manual Exposure: Yes No
Creative Exposure Modes: Natural Skin Tone, Handheld Night Snap (5M), Night Scene Portrait, Night Scene, Digital Panorama (2M per frame), High Speed Movie (VGA, 120 FPS capture, 30 FPS playback), Time Lapse Movie, Landscape, Blue Sky, Sunset, Flower, Digital SR (ISO 3200-6400 5M), Kids, Pet, Portrait, Food, Fireworks, Surf & Snow, Sport, Fisheye, Sketch, Miniature Filter, Text, Frame Composite (3M); Digital filters (capture): Movie (B&W, Sepia, Fisheye, Miniature, Sketch); Dynamic Range adjustment: Yes (shadow, highlight) TBA
Self Timer: 2 or 10; 3 shots after 10 seconds 2, 10, Double seconds
Time Lapse (intervalometer): No  
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Flash Off, Flash On, Red-eye, Slow-speed synchro, Slow-speed+Red-eye, Trailing Curtain Sync Auto, Auto & Red-eye reduction, Fill-in flash, Slow sync, Flash Off, Red-eye fix
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: 1.31 - 40’ (wide, auto ISO), 1.31 - 29’ (tele, auto ISO) TBA
Max Flash Sync:    
Flash Exposure Compensation: -2 to +1 EV in 0.3EV steps  
External Flash Connection: n/a n/a
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: SD / SDHC / SDXC microSD / microSDHC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes
Uncompressed Format: 12-bit DNG RAW  
Movie File Format: MOV (MPEG-4 AVC/H.264) with stereo sound AVI (Motion JPEG) with monaural sound
Included Memory: 75.3 MB  
Included Memory Type: Internal  
Connectivity
Built-In Wi-Fi: No No
NFC: No No
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: No No
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed
PictBridge Compliant: No No
DPOF Compliant: Yes No
Remote Control: Yes
Remote Control Type: Optional IR  
Connections (extended): Micro (Type D) HDMI  
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 1.43  
Cycle time for RAW shooting in single shot mode (seconds per frame): 1.91  
Buffer size for RAW shooting in single shot mode (frames): 7  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 4.0  
Buffer size for JPEG shooting in burst mode (frames, max resolution): 10  
RAW shooting speed in burst mode (fps):    
Buffer size for RAW shooting in burst mode (frames):    
RAW+JPEG shooting speed in burst mode (fps):    
Buffer Size for RAW+JPEG shooting in burst mode (frames):    
Shutter lag (full AF, wide/mid): 0.24 seconds  
Shutter lag (full AF, tele): 0.25 seconds  
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.178 seconds  
Shutter lag (full AF, with flash): 0.30 seconds  
Shutter Lag (prefocused): 0.016 seconds  
Shutter Lag (notes):    
Startup Time: 2.2 seconds  
Play -> Record Time: 1.4 seconds  
Flash cycle time, full power: 4.8 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 290 shots  
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary D-Li106 Proprietary BP70A
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-Li106 Lithium-ion rechargeable 1 x Proprietary Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software: Software CD-ROM including SILKYPIX Developer Studio 3.0 LE for PENTAX RICOH IMAGING RAW development software iLauncher
OS Compatibility:    
Miscellaneous
Notes & Features: Image Stabilization: Still: Sensor-Shift SR, Digital SR (ISO 100-12800), Dual (SR & Pixel Track SR); Movie: Movie Shake Reduction Mode (Movie SR); (Maximum effect of 3 stops using Sensor-Shift SR); 12-bit RAW (DNG) support, Dual-axial digital level, Dual remote control sensors. Available in black or two-tone silver and black. Vivid Live Panorama Shot, mart Filters and Magic Frame. Available in black, White, Red or Plum.