• 1/2.35 inch 27.3mm2
  • 8.0 megapixels
  • 36.00mm - 180.00mm (35mm eq.)
  • 1 inch 116.2mm2
  • 14.2 megapixels
  • ISO 160 - 6400
  • Detailed specifications
  • Pentax Optio M50
  • Nikon J3
Links
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Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: M50 J3
Alternate Model Number(s):    
Camera Format: Ultra Compact Compact System Camera
Currently Manufactured: No No
Retail Price: $229.95 $599.95
Street Price: $139.95 $617.00
Date Available: 2008-03-30 2013-02-15
Tripod Mount: Yes Yes
Weight: 4.1 oz (116 g) 12.7 oz (359 g)
includes batteries, kit lens
Size: 3.7 x 2.2 x 0.9 in.
(94 x 56 x 23 mm) 		4.0 x 2.4 x 1.1 in.
(101 x 61 x 29 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer:   Aptina
Effective Megapixels: 8.0 14.2
Sensor Format: 1/2.35 inch 1 inch
Sensor size: 27.2556mm2 (6.03mm x 4.52mm) 116.16mm2 (13.20mm x 8.80mm)
Approximate Pixel Pitch: 1.85 microns 2.86 microns
Focal Length Multiplier: n/a 2.7x
Aspect Ratio: 4:3 3:2
Color Filter Type:   RGBG
Anti Aliasing Filter:   Fixed
Self-Cleaning: No No
Sensor shift image stabilization: No No
On-Sensor Phase Detect: No Yes
DxO Sensor Score:   52
DxO Color Depth Score (bits):   20.4
DxO Dynamic Range Score (evs):   11.0
DxO Maximum Effective ISO Score (iso):   420
Image Capture
Image Resolution: 3264 x 2448 (8.0 MP, 4:3),
2592 x 1944 (5.0 MP, 4:3),
2304 x 1728 (4.0 MP, 4:3),
2048 x 1536 (3.1 MP, 4:3),
1600 x 1200 (1.9 MP, 4:3),
1024 x 768 (0.8 MP, 4:3),
640 x 480 (0.3 MP, 4:3) 		4608 x 3072 (14.2 MP, 3:2),
3456 x 2304 (8.0 MP, 3:2),
2304 x 1536 (3.5 MP, 3:2)
Image File Format: JPEG (EXIF 2.2) JPEG (Exif 2.3), 12-bit NEF RAW, RAW+JPG
Continuous-mode frames/second: n/a 60.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 640x480 (30/​15)
320x240 (30/​15) 		1920x1080 (60i/​30p)
1280x720 (60p/​30p)
640x240 (400p)
320x120 (1200p)
Movie File Format: AVI (MotionJPEG) MOV H.264/MPEG-4 AVC with AAC sound
Composite Video Out: Yes No
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 Nikon 1
Lens: Pentax zoom lens, 8 elements, 6 groups (4 aspherical elements) 1 Nikkor 10-30mm f/3.5-5.6 VR
Focal Length (35mm equivalent): 36 - 180mm 27 - 81mm
Focal Length (actual): 6.3 - 31.5mm 10 - 30mm
Zoom Ratio: 5.00x 3.00x
Aperture Range: f/3.5 (wide) / f/5.6 (tele) - ??? f/3.5 (W) / f/5.6 (T) - f/16
Integrated ND Filter: No No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity 		20 cm to Infinity
7.9 in to Infinity
Macro Focus Range: 10 - 100 cm
3.9 - 39.4 in 		 
Filter Thread: n/a 40.5mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes No
Digital Zoom Values: Up to 5.1x n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point TTL contrast detection Hybrid autofocus (phase detection/contrast-detect AF); Single-point (135 focus areas, center 73 support phase-detect), auto-area (41 focus areas), subject tracking
Auto Focus Assist Light? No Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: 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): 2.5 3.0
Rear Display Resolution: 230,000 dots 921,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 8.0x  
Top Deck Display: No
Exposure
Maximum ISO (native):   6400
Minimum ISO (native):   160
ISO Settings: Auto (64 - 3200); 6400 only available in Digital SR mode Auto ISO, 160 - 6400
Auto ISO Mode: No Yes
White Balance Settings: Auto, daylight, shade, tungsten, fluorescent, custom Auto, incandescent, fluorescent, direct sunlight, flash, cloudy, shade, underwater, preset manual, all except preset manual with fine tuning
Shutter Speed Range: 1/2000 - 4 sec 1/16000 - 30 sec
Bulb Mode: No Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: TTL multi-segment, Center-weighted, Spot Matrix, Center-weighted (4.5mm), Spot (2mm)
Program Auto Exposure: Yes Yes
Aperture Priority: No Yes
Shutter Priority: No Yes
Full Manual Exposure: No Yes
Creative Exposure Modes: Night Scene, Landscape, Flower, Natural Skin Tone, Portrait, Surf & Snow, Sport, Digital SR (5M), Kids, Pet, Food, Panorama, Digital Wide Angle (5M) New Creative Mode includes Easy Panorama, Selective Color, Miniature, Soft, Night Landscape, Backlighting and Night Portrait.
Self Timer: 2 or 10 seconds 2, 5, 10 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto flash, flash on, flash off, red-eye reduction Fill flash, slow sync, red-eye reduction, slow sync with red-eye reduction, rear-curtain sync, rear curtain with slow sync
Flash Guide Number (ISO 100): n/a 5.0 m / 16.4 ft.
Flash Range Description: 14’ (wide, auto ISO), 9.2’ (tele, auto ISO) Lens dependent.
Max Flash Sync:   1/60
Flash Exposure Compensation:   -3 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 SD / SDHC / SDXC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No Yes
Uncompressed Format:   12-bit NEF RAW, RAW+JPG
Movie File Format: AVI (MotionJPEG) MOV H.264/MPEG-4 AVC with AAC sound
Included Memory: 51.1 MB 0.0 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: Yes Yes
DPOF Compliant: Yes Yes
Remote Control: No
Remote Control Type:    
Connections (extended): DC Input HDMI out (Type C, Mini)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):    
Cycle time for RAW shooting in single shot mode (seconds per frame):    
Buffer size for RAW shooting in single shot mode (frames):    
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press?
JPEG shooting speed in burst mode (fps, max resolution):   60.0
Buffer size for JPEG shooting in burst mode (frames, max resolution):    
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):    
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):    
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused):    
Shutter Lag (notes):    
Startup Time:    
Play -> Record Time:    
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 210 shots  
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI78 Proprietary EN-EL20
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI78 Lithium-ion rechargeable 1 x Proprietary EN-EL20 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software: TBA ViewNX 2 / Short Movie Creator CD-ROM
OS Compatibility: TBA  
Miscellaneous
Notes & Features: Available in White, Black, Silver, Burgundy and Beige.