• 1/2.5 inch 24.7mm2
  • 8.0 megapixels
  • 37.00mm - 185.00mm (35mm eq.)
  • 1/2.35 inch 27.3mm2
  • 8.0 megapixels
  • 36.00mm - 180.00mm (35mm eq.)
  • Detailed specifications
  • Olympus FE-310
  • Pentax Optio M50
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: FE-310 M50
Alternate Model Number(s):    
Camera Format: Compact Ultra Compact
Currently Manufactured: No No
Retail Price: $149.99 $229.95
Street Price: $104.99 $139.95
Date Available: 2008-01-31 2008-03-30
Tripod Mount: No Yes
Weight: 4.9 oz (140 g) 4.1 oz (116 g)
Size: 3.7 x 2.4 x 1.2 in.
(93 x 62 x 31 mm) 		3.7 x 2.2 x 0.9 in.
(94 x 56 x 23 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CCD
Sensor Manufacturer:    
Effective Megapixels: 8.0 8.0
Sensor Format: 1/2.5 inch 1/2.35 inch
Sensor size: 24.7104mm2 (5.76mm x 4.29mm) 27.2556mm2 (6.03mm x 4.52mm)
Approximate Pixel Pitch: 1.76 microns 1.85 microns
Focal Length Multiplier: n/a n/a
Aspect Ratio: 4:3, 16:9 4:3
Color Filter Type:    
Anti Aliasing Filter:    
Self-Cleaning: No No
Sensor shift image stabilization: No No
On-Sensor Phase Detect: No No
DxO Sensor Score:    
DxO Color Depth Score (bits):    
DxO Dynamic Range Score (evs):    
DxO Maximum Effective ISO Score (iso):    
Image Capture
Image Resolution: 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),
1600 x 1200 (1.9 MP, 4:3),
1280 x 960 (1.2 MP, 4:3),
640 x 480 (0.3 MP, 4:3) 		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)
Image File Format: JPEG JPEG (EXIF 2.2)
Continuous-mode frames/second: n/a n/a
Video Capture
Can take movies: Yes Yes
Movie Resolution: 640x480 (15)
320x240 (15) 		640x480 (30/​15)
320x240 (30/​15)
Movie File Format: AVI Motion JPEG AVI (MotionJPEG)
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes
Video Usable as Viewfinder:
HD Video Out: No
HD Video Connection:
Lens & Optics
Lens Mount: n/a n/a
Lens: Olympus lens Pentax zoom lens, 8 elements, 6 groups (4 aspherical elements)
Focal Length (35mm equivalent): 37 - 185mm 36 - 180mm
Focal Length (actual): 6.2 - 31mm 6.3 - 31.5mm
Zoom Ratio: 5.00x 5.00x
Aperture Range: f/3.2 (wide) / f/4.8 (tele) - ??? f/3.5 (wide) / f/5.6 (tele) - ???
Integrated ND Filter: No No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity 		40 cm to Infinity
15.7 in to Infinity
Macro Focus Range: 5 cm to Infinity
2.0 in to Infinity 		10 - 100 cm
3.9 - 39.4 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: 4x Up to 5.1x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: CCD contrast detection 9-point TTL contrast detection
Auto Focus Assist Light? No No
Manual Focus: No 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 2.5
Rear Display Resolution: 154,000 dots 230,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 10.0x 8.0x
Top Deck Display:
Exposure
Maximum ISO (native):    
Minimum ISO (native):    
ISO Settings: Auto, 80, 100, 200, 400, 640 Auto (64 - 3200); 6400 only available in Digital SR mode
Auto ISO Mode: Yes No
White Balance Settings: Auto Auto, daylight, shade, tungsten, fluorescent, custom
Shutter Speed Range: 1/2000 - 4 sec 1/2000 - 4 sec
Bulb Mode: No No
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: Digital ESP AE, Face detection AE w/ face-detection AF TTL multi-segment, Center-weighted, Spot
Program Auto Exposure: No Yes
Aperture Priority: No No
Shutter Priority: No No
Full Manual Exposure: No No
Creative Exposure Modes: Portrait, Landscape, Night+Portrait, Sport, Indoor, Candle, Self-Portrait, Sunset, Fireworks, Behind Glass, Cuisine, Documents, Auction Night Scene, Landscape, Flower, Natural Skin Tone, Portrait, Surf & Snow, Sport, Digital SR (5M), Kids, Pet, Food, Panorama, Digital Wide Angle (5M)
Self Timer: 12 seconds seconds 2 or 10 seconds
Time Lapse (intervalometer): No  
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Red-Eye Reduction, Fill-In, Off Auto flash, flash on, flash off, red-eye reduction
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: Wide: 0.66 - 15.4 ft (0.2 - 4.7m); Tele: 1.6 - 10.2 ft (0.5 - 3.1m) at ISO 640 14’ (wide, auto ISO), 9.2’ (tele, auto ISO)
Max Flash Sync:    
Flash Exposure Compensation:    
External Flash Connection: n/a n/a
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: xD SD / SDHC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No
Uncompressed Format:    
Movie File Format: AVI Motion JPEG AVI (MotionJPEG)
Included Memory: 20.5 MB 51.1 MB
Included Memory Type: built-in memory 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 Full (LOW) Speed USB 2.0 High Speed
PictBridge Compliant: No Yes
DPOF Compliant: No Yes
Remote Control: No No
Remote Control Type:    
Connections (extended):   DC Input
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):    
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: 2 x AA Proprietary D-LI78
Usable Battery Types: Alkaline, Lithium disposables; NiMH rechargeables Lithium-ion rechargeable
Batteries Included: 2 x AA Alkaline disposables 1 x Proprietary D-LI78 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): No Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software:   TBA
OS Compatibility:   TBA
Miscellaneous
Notes & Features: