Comparisons / Comparison of Olympus Stylus 820 and Pentax Optio M50

Comparison of Olympus Stylus 820 and Pentax Optio M50 [S]ave

Attribute
Olympus Stylus 820 ×
Pentax Optio M50 ×
General
ModelOlympus Stylus 820Pentax Optio M50
BrandOlympusPentax
Manufacturer urlhttp://www.olympusamerica.com/https://us.ricoh-imaging.com/
Model number820M50
Camera formatUltra CompactUltra Compact
Release year (year)20072008
Tripod mount++
Length (mm)9694
Width (mm)2423
Height (mm)5656
Weight (g)140116
Waterproof--
Image Sensor
Sensor typeCCDCCD
Effective megapixels (MP)88
Sensor format1/2.35 inch1/2.35 inch
Sensor area (mm²)27.2627.26
Sensor width (mm)6.036.03
Sensor height (mm)4.524.52
Approximate pixel pitch (micron)1.851.85
Aspect ratio4:3, 16:94:3
Self-cleaning--
Sensor shift image stabilization--
On-sensor phase detect--
Image Capture
Image resolution
  • 1024 x 768(0.8 mp 4:3)
  • 1280 x 960(1.2 mp 4:3)
  • 1600 x 1200(1.9 mp 4:3)
  • 1920 x 1080(2.1 mp 16:9)
  • 2048 x 1536(3.1 mp 4:3)
  • 2304 x 1728(4.0 mp 4:3)
  • 2560 x 1920(4.9 mp 4:3)
  • 3264 x 2448(8.0 mp 4:3)
  • 640 x 480(0.3 mp 4:3)
  • 1024 x 768(0.8 mp 4:3)
  • 1600 x 1200(1.9 mp 4:3)
  • 2048 x 1536(3.1 mp 4:3)
  • 2304 x 1728(4.0 mp 4:3)
  • 2592 x 1944(5.0 mp 4:3)
  • 3264 x 2448(8.0 mp 4:3)
  • 640 x 480(0.3 mp 4:3)
Image file format
  • jpeg
  • jpeg (exif 2.2)
Continuous-mode (fps)6.5-
Video Capture
Can take movies++
Movie resolution
  • 160x120
  • 320x240
  • 640x480
  • 320x240
  • 640x480
Image Storage
Movie file formatAVI (Motion JPEG)AVI (MotionJPEG)
Composite video out++
Ntsc/pal switchable video++
Lens and Optics
LensOlympus lens (8 elements in 6 groups, 4 aspherical)Pentax zoom lens, 8 elements, 6 groups (4 aspherical elements)
Focal length (35mm equivalent) (mm)36.00 - 180.0036.00 - 180.00
Focal length (actual) (mm)4.00 - 32.005.00
Zoom ratio (x)55
Aperture range (f)0.20 - 0.290.18 - 0.29
Integrated nd filter--
Min focus range (cm)7040
Macro focus range (cm)3 - 7010 - 100
Optical image stabilization--
Digital zoom++
Digital zoom values (x)
  • 5.6
  • 5.1
Auto Focus
Auto focus++
Auto focus typeCCD Contrast Detection with iESP Auto, Spot AF, Face Detection AF, Full-Time AF9-point TTL contrast detection
Auto focus assist light--
Manual focus-+
Viewfinder
ViewfinderLCDLCD
Focus peaking--
Display
Eye-level viewfinder--
Rear display++
Rear display size (inch)2.72.5
Rear display resolution (dots)230,000230,000
Touchscreen--
Articulating screen--
Tilt swivel screen--
Selfie screen--
Max playback zoom (x)108
Exposure
Iso settingsAuto, 50, 100, 200, 400, 800, 1600, 3200Auto (64 - 3200); 6400 only available in Digital SR mode
Auto iso mode--
White balance settings
  • auto
  • daylight
  • fluorescent1
  • fluorescent2
  • fluorescent3
  • overcast
  • tungsten
  • auto
  • custom
  • daylight
  • fluorescent
  • shade
  • tungsten
Shutter speed range (s)1/2000 - 41/2000 - 4
Bulb mode--
Exposure compensation+/- 2.0EV in 0.3EV steps+/- 2.0EV in 0.3EV steps
Explosure metering modesDigital ESP Metering, Spot Metering, Face Detection AE (when Face Detection AF is selected)TTL multi-segment, Center-weighted, Spot
Program auto exposure++
Aperture priority--
Shutter priority--
Full manual exposure--
Creative exposure modesPortrait, Landscape, Landscape+portrait, Night Scene, Night+portrait, Sport, Indoor, Candle, Self PortraitNight Scene, Landscape, Flower, Natural Skin Tone, Portrait, Surf & Snow, Sport, Digital SR (5M), Kids, Pet, Food, Panorama
Self timer (s)
  • 12
  • 2
  • 10
High resolution composite--
Flash
Built-in flash++
Flash modes
  • auto
  • fill-in
  • off
  • red-eye reduction
  • auto flash
  • flash off
  • flash on
  • red-eye reduction
Flash range descriptionISO 800: Wide: 0.66ft (0.2m) � 12.8ft. (3.9m); Tele: 2.0ft (0.6m) � 8.5ft. (2.6m)14’ (wide, auto ISO), 9.2’ (tele, auto ISO)
Usable memory types
  • x
  • sd
  • sdh
Dual card slots--
Raw capture support--
Included memory (MB)4751
Included memory typeInternalInternal
Connectivity
Built-in wi-fi--
NFC--
Bluetooth--
Built-in gps--
Microphone jack--
Headphone jack--
External connections
  • usb 2.0 high speed
  • usb 2.0 high speed
Pictbridge compliant++
Dpof compliant++
Remote control--
Connections (extended)
  • audio/video output
  • dc input)
  • multi-terminal (usb connecter
  • dc input
Performance Timing
Max cycle time for jpeg shooting (s/frame)3.35-
Camera penalizes early shutter press--
Jpeg shooting speed in burst mode (max resolution) (fps)6.5-
Buffer size for jpeg shooting in burst mode (max resolution) (frames)11-
Shutter lag (full af, wide/mid) (s)0.54-
Shutter lag (full af, tele) (s)0.92-
Shutter lag (full af, with flash) (s)0.82-
Shutter lag (prefocused) (s)0.09-
Shutter lag (notes)Continuous mode is 2048x1546 pixels max.-
Startup time (s)2.1-
Play -> record time (s)1-
Flash cycle time, full power (s)3.7-
Power
Battery life, stills (cipa rating monitor/live view) (shots)300210
Battery form factorProprietary LI-42BProprietary D-LI78
Usable battery types
  • lithium ion rechargeable
  • lithium-ion rechargeable
Batteries included1 x Proprietary LI-42B Lithium Ion rechargeable1 x Proprietary D-LI78 Lithium-ion rechargeable
Battery charger included (dedicated charger or ac/usb adapter)++
Software
Included software
  • olympus master 2
  • tba
Os compatibility
  • mac os x v10.3 or later
  • windows 2000pro/xp/vista
  • tba
Miscellaneous
Notes and featuresAll-Weather: Equivalent to IEC Standard publication 529 IPX4-



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