• 1/2.33 inch 28.2mm2
  • 16.0 megapixels
  • 28.00mm - 560.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 28.00mm - 224.00mm (35mm eq.)
  • Detailed specifications
  • Pentax Optio VS20
  • Canon PowerShot A4000 IS
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: VS20 A4000 IS
Alternate Model Number(s):    
Camera Format: Compact Ultra Compact
Currently Manufactured: No No
Retail Price: $249.95 $199.99
Street Price: $105.84  
Date Available: 2012-02-15 2012-02-15
Tripod Mount: Yes Yes
Weight: 8.3 oz (235 g)
includes batteries 		5.1 oz (145 g)
includes batteries
Size: 4.4 x 2.4 x 1.5 in.
(112 x 61 x 38 mm) 		3.8 x 2.2 x 1.0 in.
(95 x 56 x 24 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CCD
Sensor Manufacturer:    
Effective Megapixels: 16.0 16.0
Sensor Format: 1/2.33 inch 1/2.3 inch
Sensor size: 28.198mm2 (6.13mm x 4.6mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 1.33 microns 1.34 microns
Focal Length Multiplier: n/a n/a
Aspect Ratio: 4:3 4:3
Color Filter Type:   RGBG
Anti Aliasing Filter:    
Self-Cleaning: No No
Sensor shift image stabilization: Yes 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: 4608 x 3456 (15.9 MP, 4:3),
3456 x 3456 (11.9 MP, 1:1),
4608 x 2592 (11.9 MP, 16:9),
3072 x 2304 (7.1 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
640 x 480 (0.3 MP, 4:3) 		4608 x 3456 (15.9 MP, 4:3),
3264 x 2448 (8.0 MP, 4:3),
1600 x 1200 (1.9 MP, 4:3),
640 x 480 (0.3 MP, 4:3),
4608 x 2592 (11.9 MP, 16:9)
Image File Format: JPEG (EXIF 2.3) JPEG (EXIF 2.3)
Continuous-mode frames/second: 1.0 0.8
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30p/​15p)
640x480 (30p/​15p)
320x240 (30p/​15p) 		1280x720 (p25)
640x480 (p30)
Movie File Format: AVI (Motion JPG) MOV (Image: H.264, Audio: Monoaural Linear PCM)
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder:
HD Video Out: No No
HD Video Connection:
Lens & Optics
Lens Mount: n/a n/a
Lens: smc PENTAX zoom lens, 11 elements, 8 groups, 1 aspheric element Canon Zoom Lens
Focal Length (35mm equivalent): 28 - 560mm 28 - 224mm
Focal Length (actual): 5 - 100mm 5 - 40mm
Zoom Ratio: 20.00x 8.00x
Aperture Range: f/3.1 (wide) / f4.8 (tele) - ??? f/3.0 (W) / f/5.9 (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: 1 - 20 cm
0.4 - 7.9 in 		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: 7.2x Up to 4x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detection: 93 point AF, Spot AF, Auto Tracking AF, Macro, Super Macro, Infinity Landscape, Manual Focus Contrast Detect AF with Face Detection
Auto Focus Assist Light? No 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): 3.0 3.0
Rear Display Resolution: 460,000 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 10.0x
Top Deck Display:
Exposure
Maximum ISO (native):    
Minimum ISO (native):    
ISO Settings: Auto: 100-1600 (auto range adjustable), Digital SR 100-6400, Manual: 100-6400 Auto, 100, 200, 400, 800, 1600
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Tungsten, Fluorescent, Manual Auto, Daylight, Cloudy, Tungsten, Fluorescent, Fluorescent H, Custom
Shutter Speed Range: 1/2500 - 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: Multi 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: Natural Skin Tone, Handheld Night Snap (5M), Night Scene Portrait, Night Scene, Digital Panorama (2M per frame), Landscape, Blue Sky, Sunset, Flower, Digital SR (ISO 3200-6400 5M), Kids, Pet, Portrait, Food, Fireworks, Surf & Snow, Sport, Fisheye, Sketch, Miniature Filter, Text, Frame Composite (3M) Portrait, Face Self-timer, Low Light, Fisheye Effect, Miniature Effect, Toy Camera Effect, Monochrome, Super Vivid, Poster Effect, Snow, Fireworks, Long Shutter, Discreet, iFrame Movie
Self Timer: 10s, 2s, Remote 3s seconds 2, 10, Custom seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Flash Off, Flash On, Auto + Redeye, On + Redeye Auto, Flash On, Slow Synchro, Flash Off
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: 17 feet (wide, auto ISO), 11 feet (tele, auto ISO) Auto ISO: 50 cm - 3.0 m (W), 1.0 - 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 / SDXC SD / SDHC / SDXC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No No
Uncompressed Format:    
Movie File Format: AVI (Motion JPG) MOV (Image: H.264, Audio: Monoaural Linear PCM)
Included Memory: 16.0 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: No Yes
DPOF Compliant: Yes Yes
Remote Control: Yes
Remote Control Type: Optional infrared  
Connections (extended):    
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): 1.0 0.8
Buffer size for JPEG shooting in burst mode (frames, max resolution): 6  
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): 200 shots 175 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI122 Proprietary NB-11L
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI122 Lithium-ion rechargeable 1 x Proprietary NB-11L Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software: Software CD-ROM S-SW122 Canon Software Suite CD-ROM
OS Compatibility:   Windows, Mac OS
Miscellaneous
Notes & Features: Sensor-shift image stabilization, Dual shutter release/zoom buttons, 720p HD movies, Optional IR remote, Digital level. Available in Noble Black or Brilliant White. Intelligent Image Stabilization, 720p HD videos, Smart Auto with 32 modes, Help button. Available in black, silver, blue, red and pink.