• 1/2.5 inch 24.7mm2
  • 8.1 megapixels
  • 37.00mm - 112.00mm (35mm eq.)
  • APS-C 369.0mm2
  • 20.3 megapixels
  • ISO 100 - 25,600
  • Detailed specifications
  • Pentax Optio E50
  • Samsung NX30
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Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: E50 NX30
Alternate Model Number(s):    
Camera Format: Ultra Compact Compact System Camera
Currently Manufactured: No No
Retail Price: $149.95 $999.99
Street Price:   $899.00
Date Available: 2008-03-30 2014-02-20
Tripod Mount: Yes Yes
Weight: 4.2 oz (119 g)
includes batteries
23.1 oz (654 g)
includes batteries, kit lens
Size: 3.8 x 2.4 x 0.9 in.
(97 x 61 x 23 mm)
5.0 x 3.8 x 1.6 in.
(127 x 96 x 42 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer:   Samsung
Effective Megapixels: 8.1 20.3
Sensor Format: 1/2.5 inch APS-C
Sensor size: 24.7104mm2 (5.76mm x 4.29mm) 368.95mm2 (23.50mm x 15.70mm)
Approximate Pixel Pitch: 1.76 microns 4.29 microns
Focal Length Multiplier: n/a 1.5x
Aspect Ratio: 4:3 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter:   None
Self-Cleaning: No Yes
Sensor shift image stabilization: No No
On-Sensor Phase Detect: No Yes
DxO Sensor Score:   76
DxO Color Depth Score (bits):   23.5
DxO Dynamic Range Score (evs):   12.4
DxO Maximum Effective ISO Score (iso):   1,014
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)
5472 x 3648 (20.0 MP, 3:2),
5472 x 3080 (16.9 MP, 16:9),
3648 x 3648 (13.3 MP, 1:1),
3888 x 2592 (10.1 MP, 3:2),
3712 x 2088 (7.8 MP, 16:9),
2640 x 2640 (7.0 MP, 1:1),
2976 x 1984 (5.9 MP, 3:2),
2944 x 1656 (4.9 MP, 16:9),
2000 x 2000 (4.0 MP, 1:1),
1728 x 1152 (2.0 MP, 3:2),
1920 x 1080 (2.1 MP, 16:9),
1024 x 1024 (1.0 MP, 1:1)
Image File Format: JPEG (EXIF 2.2) JPEG, MPO, RAW (SRW), RAW+JPEG
Continuous-mode frames/second: n/a 8.9
Video Capture
Can take movies: Yes Yes
Movie Resolution: 640x480 (30/​15)
320x240 (30/​15)
1920x1080 (60p/​30p)
1920x810 (24p)
1280x720 (60p/​30p)
640x480 (30p)
320x240 (30p)
1280x720 (120p)
640x480 (120p)
320x240 (120p)
Movie File Format: TBA MP4 (Video: MPEG4, AVC/H.264, Audio: AAC)
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 Samsung NX
Lens: Pentax zoom lens, 6 elements in 5 groups with 3 aspherical elements Samsung 18-55mm f/3.5-5.6 III OIS NX
Focal Length (35mm equivalent): 37 - 112mm 27 - 84mm
Focal Length (actual): 6.2 - 18.6mm 18 - 55mm
Zoom Ratio: 3.00x 3.06x
Aperture Range: f/2.8 (wide) / f/5.2 (tele) - ??? f/3.5 (wide) / f/5.6 (tele) - f/22
Integrated ND Filter: No No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity
28 cm to Infinity
11.0 in to Infinity
Macro Focus Range: 15 cm to Infinity
5.9 in to Infinity
 
Filter Thread: n/a 58.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes Yes
Digital Zoom Values: 4x Up to 2x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 3-point TTL contrast detection Samsung NX AF System II (Hybrid contrast/phase-detect): 105points (Phase Detection AF), 247points (Contrast AF), Selection: 1point ( Free selection ), Multi: Normal 21 (3 x 7) points, Closeup 35points, Face Detection: Max. 10 faces
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: LCD EVF / OLED
Viewfinder Type:   Tiltable (up to 80 degrees) EVF with eye sensor; XGA (1024x768) 2,359K dots; 100% Field of view; 0.96x Magnification(50mm eq. lens); -4 to +1 diopter
Focus Peaking: No Yes
EVF Resolution: n/a 2,359,000 dots
Viewfinder Magnification (35mm equivalent):   0.64x
Viewfinder Magnification (nominal/claimed):   0.96x
Display
Eye-level Viewfinder: No Yes
Rear Display: Yes Yes
Rear Display Size (inches): 2.4 3.0
Rear Display Resolution: 110,000 dots 1,036,800 dots (345,600 px)
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No Yes
Selfie Screen: No Yes
Max Playback Zoom: 8.0x  
Top Deck Display: No
Exposure
Maximum ISO (native):   25600
Minimum ISO (native):   100
ISO Settings: Auto (100 - 800), 1600 in Digital SR mode Auto, 100, 200, 400, 800, 1600, 3200, 6400, 12800, 25600
Auto ISO Mode: Yes Yes
White Balance Settings: Auto Auto, Daylight, Cloudy, Fluorescent (W, N, D), Tungsten, Flash, Custom, K (Manual)
Shutter Speed Range: 1/2000 - 4 sec 1/8000 - 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 Multi, Center-weighted, Spot
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, Portrait, Surf & Snow, Sport, Digital SR, Kids, Pet, Panorama, Frame Composite Beauty Face, Landscape, Macro, Action Freeze, Rich Tone, Panorama, Waterfall, Silhouette, Sunset, Night, Fireworks, Light Trace, Creative Shot, Best Face, Multi-Exposure, Smart Jump Shot
Self Timer: 2 or 10 seconds 2-30 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Flash On, Flash Off, Red-eye Reduction Smart Flash, Auto, Auto+Red-eye reduction, Fill-in, Fill-in+Red-eye reduction, 1st Curtain, 2nd Curtain, Off
Flash Guide Number (ISO 100): n/a 11.0 m / 36.1 ft.
Flash Range Description: Auto ISO: approx 20 ft (wide), 10 ft (tele) Lens dependent; GN=11 (ISO 100, m)
Max Flash Sync:   1/200
Flash Exposure Compensation:   +/- 2.0 EV in 0.5EV steps
External Flash Connection: n/a Hot shoe
Built-In Wireless Flash Control:   Full TTL exposure
Image Storage
Usable Memory Types: SD / SDHC SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No Yes
Uncompressed Format:   RAW (SRW), RAW+JPEG
Movie File Format: TBA MP4 (Video: MPEG4, AVC/H.264, Audio: AAC)
Included Memory: 9.5 MB No memory included
Included Memory Type: Internal  
Connectivity
Built-In Wi-Fi: No Yes
NFC: No Yes
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: No Yes
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed,WiFi
PictBridge Compliant: Yes No
DPOF Compliant: Yes No
Remote Control: No Yes
Remote Control Type:   Wi-Fi live view; optional wired via USB
Connections (extended): Dock terminal connection (Kodak ImageLink) Mult-function USB port compatible with wired remote
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):   0.62
Cycle time for RAW shooting in single shot mode (seconds per frame):   0.73
Buffer size for RAW shooting in single shot mode (frames):   21
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   0.62
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution):   8.9
Buffer size for JPEG shooting in burst mode (frames, max resolution):   21
RAW shooting speed in burst mode (fps):   8.9
Buffer size for RAW shooting in burst mode (frames):   12
RAW+JPEG shooting speed in burst mode (fps):   8.8
Buffer Size for RAW+JPEG shooting in burst mode (frames):   11
Shutter lag (full AF, wide/mid):   0.13 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):   0.087 seconds
Shutter lag (full AF, with flash):   0.23 seconds
Shutter Lag (prefocused):   0.083 seconds
Shutter Lag (notes):   Full AF lag, wide-area AF mode = 0.285s
Startup Time:   0.8 seconds
Play -> Record Time:   0.9 seconds
Flash cycle time, full power:   3.6 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 250 shots (Alkaline AA) 360 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: 2 x AA Proprietary BP-1410
Usable Battery Types: Alkaline or Lithium disposable, NiMH rechargeable 1410mAh Lithium-ion rechargeable
Batteries Included: TBA 1 x Proprietary BP-1410 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): No Yes
Dedicated Battery Charger Included: No
Internal Charging Supported: Yes
Software
Included Software: TBA iLauncher, Adobe Lightroom v5
OS Compatibility: TBA  
Miscellaneous
Notes & Features: Wi-Fi: IEEE 802.11b/g/n supports Dual Channel (Smart Camera 3.0 with NFC, AutoShare, SNS & Cloud, Email, Auto Back, Remote Viewfinder Pro, Mobile Link,Samsung Link, Group Share, Photo Beam, HomeSync, Baby Monitor)