• 1/2.3 inch 28.1mm2
  • 12.1 megapixels
  • 28.00mm - 112.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • Detailed specifications
  • Canon PowerShot SD940 IS
  • Olympus Tough TG-830
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: SD940 IS TG-830
Alternate Model Number(s): Digital IXUS 120 IS  
Camera Format: Ultra Compact Compact
Currently Manufactured: No No
Retail Price: $299.99 $279.99
Street Price: $299.95 $254.49
Date Available: 2009-09-15 2013-03-15
Tripod Mount: Yes Yes
Weight: 4.9 oz (140 g)
includes batteries
7.5 oz (214 g)
Size: 3.5 x 2.2 x 0.8 in.
(90 x 55 x 20 mm)
4.3 x 2.6 x 1.1 in.
(110 x 67 x 28 mm)
Waterproof: No Yes
Waterproof Depth: n/a  
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer:   BSI CMOS
Effective Megapixels: 12.1 16.0
Sensor Format: 1/2.3 inch 1/2.3 inch
Sensor size: 28.0735mm2 (6.17mm x 4.55mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 1.54 microns 1.34 microns
Focal Length Multiplier: n/a n/a
Aspect Ratio: 4:3, 16:9 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter:    
Self-Cleaning: No No
Sensor shift image stabilization: No Yes
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: 4000 x 3000 (12.0 MP, 4:3),
4000 x 2248 (9.0 MP, 16:9),
3264 x 2448 (8.0 MP, 4:3),
2592 x 1944 (5.0 MP, 4:3),
1600 x 1200 (1.9 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
4608 x 3456 (15.9 MP, 4:3)
Image File Format: JPEG (EXIF 2.2) JPEG (EXIF 2.3)
Continuous-mode frames/second: 0.8 11.5
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30)
640x480 (30)
320x240 (30)
1920x1080 (60i/​30p)
1280x720 (30p)
640x480 (30p)
1280x720 (120p)
432x324 (240p)
Movie File Format: MOV (Image: H.264, Audio: PCM) MOV/H.264 with stereo sound (AVI/Motion JPEG for HS movies)
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder:
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: n/a n/a
Lens: Canon Zoom Lens Olympus Lens, 11 Lenses in 8 Groups, 4/8 aspherical elements, 1 ED element
Focal Length (35mm equivalent): 28 - 112mm 28 - 140mm
Focal Length (actual): 5 - 20mm 5 - 25mm
Zoom Ratio: 4.00x 5.00x
Aperture Range: f/2.8 (W) - f/5.9 (T) f/3.9 of f/11 (wide) / f/5.9 or f/18 (tele) with ND filter
Integrated ND Filter: No No
Normal Focus Range: 30 cm to Infinity
11.8 in to Infinity
20 cm to Infinity
7.9 in to Infinity
Macro Focus Range: 3 - 50 cm
1.2 - 19.7 in
3 - 60 cm
1.2 - 23.6 in
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: Yes Yes
Digital Zoom Values: Up to 4x Up to 4x (2x Super Resolution Zoom)
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detect AF with Face Detection Contrast Detection: Face Detect AF, iESP Auto, Spot AF, AF Tracking
Auto Focus Assist Light? Yes Yes
Manual Focus: No 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): 2.7 3.0
Rear Display Resolution: 230,000 dots 460,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 10.0x 10.0x
Top Deck Display:
Exposure
Maximum ISO (native):    
Minimum ISO (native):    
ISO Settings: Auto, 80, 100, 200, 400, 800, 1600, 3200* (*special scene mode) Auto, High, 125, 200, 400, 800, 1600, 3200, 6400
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Cloudy, Tungsten, Fluorescent, Fluorescent H, Custom Auto, Sunny, Cloudy, Incandescent, Fluorescent1, Underwater, One-touch
Shutter Speed Range: 1/1500 - 15 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: Evaluative, Center-weighted average, Spot (center), Face Detect AE Digital ESP Metering, Spot Metering
Program Auto Exposure: Yes Yes
Aperture Priority: No No
Shutter Priority: No No
Full Manual Exposure: No No
Creative Exposure Modes: Portrait, Foliage, Snow, Beach, Sunset, Fireworks, Aquarium, Underwater, ISO 3200, Indoor, Kids & Pets, Night Snapshot, Color Accent, Color Swap, Digital Macro, Long Shutter, Stitch Assist Scene Modes (Portrait, Beauty, Landscape, Night Scene, Night + Portrait, Sport, Indoor, Self Portrait, Sunset, Fireworks, Cuisine, Documents, Beach & Snow, Underwater Snapshot, Underwater Wide 1, Underwater Wide 2, Underwater Macro, Pet (Cat), Pet (Dog), SMacro, Backlight HDR); In-Camera Smart Panorama; Hand-held Startlight; Magic Art Filters (Pop Art, Pin Hole, Fish Eye, Soft Focus, Punk, Sparkle, Water Color, Reflection, Miniature, Fragmented, Dramatic)
Self Timer: 2 or 10 seconds 2, 12, Pet auto-shutter seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Red-eye Reduction, Auto Red-eye Correction, Flash On, Flash Off; FE lock, Slow Synchro Auto, Red-Eye Reduction, Fill-In, Off, LED
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: Auto ISO: 1-13 ft./30cm-4.0m (W), 1.6-6.6 ft./50cm-2.0m (T) ISO 800: W: 0.2m - 3.3m; T: 0.5m - 2.1m
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: MOV (Image: H.264, Audio: PCM) MOV/H.264 with stereo sound (AVI/Motion JPEG for HS movies)
Included Memory: No memory included 39.0 MB
Included Memory Type:   Internal
Connectivity
Built-In Wi-Fi: No No
NFC: No No
Bluetooth: No No
Built-In GPS: No Yes
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 No
Remote Control:
Remote Control Type:    
Connections (extended): Mini-HDMI, DC input Multi-Terminal (USB Connector, Audio/Video Output, DC input), Micro (Type-D) HDMI, Built-in GPS
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 2.37  
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? No
JPEG shooting speed in burst mode (fps, max resolution): 0.8 11.5
Buffer size for JPEG shooting in burst mode (frames, max resolution): Unlimited 17
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): 0.48 seconds  
Shutter lag (full AF, tele): 0.55 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): 0.077 seconds  
Shutter Lag (notes):    
Startup Time: 1.9 seconds  
Play -> Record Time:    
Flash cycle time, full power: 4.4 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 220 shots  
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary NB-4L Proprietary LI-50B
Usable Battery Types: Lithium-ion rechargeable Lithium Ion rechargeable
Batteries Included: 1 x Proprietary NB-4L Lithium-ion rechargeable 1 x Proprietary LI-50B Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software: Canon Software Suite CD-ROM OLYMPUS [ib] software CD-ROM
OS Compatibility: Windows, Mac OS Windows XP/Vista/7/8, Mac OS X10.3-10.8
Miscellaneous
Notes & Features: Optical Image Stabilization, Smart Auto, Face, Blink and Motion Detection, Intelligent Contrast Correction, HD Movies, HDMI Output. Available in Blue, Black, Silver and Brown. Waterproof to 10m, Shockproof to 2m, Crushproof to 100kgf, Freezeproof, Dustproof; GPS and e.Compass, Multi Record, Hand-held Starlight. Available in blue, red, silver, or black.