Comparisons / Comparison of Pentax Optio M90 and General Electric E840S

Comparison of Pentax Optio M90 and General Electric E840S [S]ave

Attribute
Pentax Optio M90 ×
General Electric E840S ×
General
ModelPentax Optio M90General Electric E840S
BrandPentaxGeneral-electric
Manufacturer urlhttps://us.ricoh-imaging.com/https://www.general-imaging.com
Model numberM90E840S
Camera formatCompactUltra Compact
Tripod mount+-
Length (mm)9996
Width (mm)2321
Height (mm)5956
Weight (g)13395
Waterproof--
Image Sensor
Sensor typeCCDCCD
Effective megapixels (MP)12.18
Sensor format1/2.3 inch1/2.5 inch
Sensor area (mm²)28.0724.71
Sensor width (mm)6.175.76
Sensor height (mm)4.554.29
Approximate pixel pitch (micron)1.541.76
Aspect ratio4:3, 16:94:3, 3:2
Self-cleaning--
Sensor shift image stabilization--
On-sensor phase detect--
Image Capture
Image resolution
  • 1600 x 1200(1.9 mp 4:3)
  • 2048 x 1536(3.1 mp 4:3)
  • 2576 x 1932(5.0 mp 4:3)
  • 3264 x 2448(8.0 mp 4:3)
  • 4000 x 1944(7.8 mp other)
  • 4000 x 2664(10.7 mp 3:2)
  • 4000 x 3000(12.0 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)
  • 2560 x 1920(4.9 mp 4:3)
  • 3264 x 1836(6.0 mp 16:9)
  • 3264 x 2176(7.1 mp 3:2)
  • 3264 x 2448(8.0 mp 4:3)
  • 640 x 480(0.3 mp 4:3)
Image file format
  • jpeg (exif 2.21)
  • jpeg (exif 2.2)
Continuous-mode (fps)1.6-
Video Capture
Can take movies++
Movie resolution
  • 320x240
  • 640x480
  • 320x240
  • 640x480
Image Storage
Movie file formatAVI (Motion JPEG)MPEG4
Composite video out++
Ntsc/pal switchable video++
Hd video out--
Lens and Optics
LensPentax lens; 7 elements in 6 groups, 3 aspherical elements7 elements in 6 groups
Focal length (35mm equivalent) (mm)28.00 - 140.0036.00 - 144.00
Focal length (actual) (mm)3.002.00
Zoom ratio (x)54
Aperture range (f)0.17 - 0.290.17 - 0.29
Integrated nd filter--
Min focus range (cm)160
Macro focus range (cm)0 - 2-
Optical image stabilization--
Digital zoom++
Digital zoom values (x)
  • 5.0
  • 4.5
Auto Focus
Auto focus++
Auto focus type3-point TTL contrast detection w/ trackingSingle AF, Multi-AF (TTL 9-point), Face-Detection
Auto focus assist light-+
Manual focus--
Viewfinder
ViewfinderLCDLCD
Focus peaking--
Display
Eye-level viewfinder--
Rear display++
Rear display size (inch)2.72.7
Rear display resolution (dots)230,000230,400
Touchscreen--
Articulating screen--
Tilt swivel screen--
Selfie screen--
Max playback zoom (x)-8
Exposure
Iso settingsAuto, 100, 200, 400, 800, 1600Auto, 80, 100, 200, 400, 800, 1600
Auto iso mode-+
White balance settings
  • auto
  • cloudy
  • fluorescent
  • sunny
  • tungsten
  • auto
  • cloudy
  • daylight
  • fluorescent
  • fluorescent cwf
  • incandescent
  • manual
Shutter speed range (s)1/1000 - 21/2000 - 30
Bulb mode--
Exposure compensation+/- 2.0EV in 0.3EV steps+/- 2.0EV in 0.3EV steps
Explosure metering modesMulti-segmentArtificial Intelligence AE (Ai AE), Center-Weighted Average, Spot (Fixed to center of frame)
Program auto exposure+-
Aperture priority--
Shutter priority--
Full manual exposure-+
Creative exposure modesAuto-Panorama, Sport, Landscape, Night Landscape, Self-Portrait, Night Portrait, Museum, Snow, Sunset, Fireworks, Beach, PartySport, Children, Indoor, Leaf, Snow, Sunset, Fireworks, Glass, Museum, Landscape, Night Landscape, Night Portrait, Panorama
Self timer (s)
  • 2
  • 10
-
Time lapse (intervalometer)--
High resolution composite--
Flash
Built-in flash++
Flash modes
  • auto
  • off
  • on
  • red-eye reduction
  • soft flash
  • auto / red-eye reduction / forced flash / no flash / slow synchro / red-eye reduction+slow synchro
Flash range descriptionWide: 0.3 - 3.0m; Tele: 1.0 - 1.8m @ ISO 400Wide: Approx. 0.3m - 3.3m / Tele: Approx. 0.3m - 2.7m (ISO 400)
Usable memory types
  • sd
  • sdh
  • sd
  • sdh
Dual card slots--
Raw capture support--
Included memory (MB)3226
Included memory typebuilt-in memoryInternal
Connectivity
Built-in wi-fi--
NFC--
Bluetooth--
Built-in gps--
Microphone jack--
Headphone jack--
External connections
  • usb 2.0 high speed
  • usb 2.0 full (low) speed
Pictbridge compliant-+
Dpof compliant++
Remote control--
Connections (extended)-
  • a/v out)
  • integrated proprietary connector (usb 2.0
Performance Timing
Jpeg shooting speed in burst mode (max resolution) (fps)1.6-
Power
Battery life, stills (cipa rating monitor/live view) (shots)200200
Battery form factorProprietary D-LI108Proprietary GB-20
Usable battery types
  • lithium-ion rechargeable
  • lithium ion rechargeable
Batteries included1 x Proprietary D-LI108 lithium-ion rechargeable1 x Proprietary GB-20 Lithium Ion rechargeable
Battery charger included (dedicated charger or ac/usb adapter)++
Software
Included software
  • arcsoft media impression 2.0 for pentax
  • cd-rom
Miscellaneous
Notes and features-Face, Smile and Blink detection.



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