• 1/2.5 inch 24.7mm2
  • 8.1 megapixels
  • 37.00mm - 112.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 12.1 megapixels
  • 28.00mm - 224.00mm (35mm eq.)
  • Detailed specifications
  • Pentax Optio E50
  • Canon PowerShot ELPH 310 HS
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Canon ELPH 300 HS
ELPH 300 HS vs 310 HS
Successor:   Canon 320 HS
310 HS vs 320 HS
General
Model Number: E50 310 HS
Alternate Model Number(s):   IXUS 230 HS
Camera Format: Ultra Compact Ultra Compact
Currently Manufactured: No No
Retail Price: $149.95 $259.99
Street Price:   $249.99
Date Available: 2008-03-30 2011-10-01
Tripod Mount: Yes Yes
Weight: 4.2 oz (119 g)
includes batteries
5.0 oz (141 g)
includes batteries
Size: 3.8 x 2.4 x 0.9 in.
(97 x 61 x 23 mm)
3.8 x 2.2 x 0.9 in.
(96 x 57 x 22 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer:    
Effective Megapixels: 8.1 12.1
Sensor Format: 1/2.5 inch 1/2.3 inch
Sensor size: 24.7104mm2 (5.76mm x 4.29mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 1.76 microns 1.54 microns
Focal Length Multiplier: n/a n/a
Aspect Ratio: 4:3 4:3
Color Filter Type: RGBG RGBG
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),
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)
4000 x 2248 (9.0 MP, 16:9),
4000 x 2664 (10.7 MP, 3:2),
4000 x 3000 (12.0 MP, 4:3),
2992 x 2992 (9.0 MP, 1:1),
2816 x 1584 (4.5 MP, 16:9),
2816 x 1880 (5.3 MP, 3:2),
2816 x 2112 (5.9 MP, 4:3),
2112 x 2112 (4.5 MP, 1:1),
1920 x 1080 (2.1 MP, 16:9),
1600 x 1064 (1.7 MP, 3:2),
1600 x 1200 (1.9 MP, 4:3),
1200 x 1200 (1.4 MP, 1:1),
640 x 360 (0.2 MP, 16:9),
640 x 424 (0.3 MP, Other),
640 x 480 (0.3 MP, 4:3),
480 x 480 (0.2 MP, 1:1)
Image File Format: JPEG (EXIF 2.2) JPEG (EXIF 2.3)
Continuous-mode frames/second: n/a 3.5
Video Capture
Can take movies: Yes Yes
Movie Resolution: 640x480 (30/​15)
320x240 (30/​15)
1920x1080 (24p)
1280x720 (30p)
640x480 (30p)
640x480 (120p)
320x240 (240p)
Movie File Format: TBA MOV (Image data: H.264, Audio data: Linear PCM (stereo))
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder:
HD Video Out: Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: n/a n/a
Lens: Pentax zoom lens, 6 elements in 5 groups with 3 aspherical elements Canon Zoom Lens
Focal Length (35mm equivalent): 37 - 112mm 28 - 224mm
Focal Length (actual): 6.2 - 18.6mm 5 - 40mm
Zoom Ratio: 3.00x 8.00x
Aperture Range: f/2.8 (wide) / f/5.2 (tele) - ??? f/3.0 - f/9.0 (W) / f/5.9 - f/18 (T)
Integrated ND Filter: No No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity
5 cm to Infinity
2.0 in to Infinity
Macro Focus Range: 15 cm to Infinity
5.9 in to Infinity
1 - 50 cm
0.4 - 19.7 in
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes Yes
Digital Zoom Values: 4x Up to 4x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 3-point TTL contrast detection Contrast Detect AF with Face Detection
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes No
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): 2.4 3.0
Rear Display Resolution: 110,000 dots 461,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 8.0x 10.0x
Top Deck Display:
Exposure
Maximum ISO (native):    
Minimum ISO (native):    
ISO Settings: Auto (100 - 800), 1600 in Digital SR mode Auto, 100, 200, 400, 800, 1600, 3200
Auto ISO Mode: Yes Yes
White Balance Settings: Auto Auto, Daylight, Cloudy, Tungsten, Fluorescent, Fluorescent H, Custom
Shutter Speed Range: 1/2000 - 4 sec 1/2000 - 15 sec
Bulb Mode: No No
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: TTL multi-segment Evaluative, Center-weighted average, Spot (center)
Program Auto Exposure: Yes Yes
Aperture Priority: No No
Shutter Priority: No No
Full Manual Exposure: No No
Creative Exposure Modes: Night Scene, Landscape, Flower, Portrait, Surf & Snow, Sport, Digital SR, Kids, Pet, Panorama, Frame Composite Movie Digest, Portrait, Kids & Pets, Smart Shutter, High-Speed Burst, Best Image Selection, Handheld Night Scene, Low Light, Fish-eye Effect, Miniature Effect, Toy Camera Effect, Monochrome, Super Vivid, Poster Effect, Color Accent, Color Swap, Beach, Foliage, Snow, Fireworks, Long Shutter, Stitch Assist, iFrame Movie, Super Slow Motion Movie
Self Timer: 2 or 10 seconds 2, 10, Custom 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 Auto, Flash On, Slow Synchro, Flash Off
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: Auto ISO: approx 20 ft (wide), 10 ft (tele) Auto ISO: 1.6-13 ft. (W), 1.6-6.6 ft. (T) (50 cm-4.0 m (W), 50 cm-2.0 m (T))
Max Flash Sync:    
Flash Exposure Compensation:    
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 No
Uncompressed Format:    
Movie File Format: TBA MOV (Image data: H.264, Audio data: Linear PCM (stereo))
Included Memory: 9.5 MB No memory included
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): Dock terminal connection (Kodak ImageLink) Mini (Type-C) HDMI
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):   2.06
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):   3.5
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):   0.38 seconds
Shutter lag (full AF, tele):   0.46 seconds
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):   0.119 seconds
Shutter Lag (notes):    
Startup Time:   1.9 seconds
Play -> Record Time:    
Flash cycle time, full power:   3.7 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 250 shots (Alkaline AA) 210 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: 2 x AA Proprietary NB-4L
Usable Battery Types: Alkaline or Lithium disposable, NiMH rechargeable Lithium-ion rechargeable
Batteries Included: TBA 1 x Proprietary NB-4L 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 Canon Software Suite CD-ROM
OS Compatibility: TBA Windows, Mac OS
Miscellaneous
Notes & Features: 3-inch 461K-dot LCD screen, Canon's HS SYSTEM, 1080p Full HD videos, High-Speed Burst mode, Intelligent IS, and Smart AUTO. Available in purple, blue, pink, green and silver.