• 1/2.3 inch 28.1mm2
  • 12.1 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 20.0 megapixels
  • 25.00mm - 300.00mm (35mm eq.)
  • Detailed specifications
  • Pentax Optio W90
  • Canon PowerShot ELPH 170 IS
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax W80
W80 vs W90
 
Successor:    
General
Model Number: W90 170 IS
Alternate Model Number(s):   IXUS 170
Camera Format: Compact Ultra Compact
Currently Manufactured: No No
Retail Price: $329.95 $149.99
Street Price:   $370.99
Date Available: 2010-04-30 2015-02-15
Tripod Mount: Yes Yes
Weight: 5.7 oz (161 g)
includes batteries
5.0 oz (141 g)
includes batteries
Size: 4.2 x 2.3 x 1.0 in.
(107 x 59 x 25 mm)
3.9 x 2.3 x 0.9 in.
(100 x 58 x 23 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CCD
Sensor Manufacturer:    
Effective Megapixels: 12.1 20.0
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 1.20 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 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: 4000 x 3000 (12.0 MP, 4:3),
4000 x 2256 (9.0 MP, Other),
3072 x 2304 (7.1 MP, 4:3),
3072 x 1728 (5.3 MP, 16:9),
2592 x 1944 (5.0 MP, 4:3),
2592 x 1464 (3.8 MP, Other),
2048 x 1536 (3.1 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
1024 x 768 (0.8 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
5152 x 3864 (19.9 MP, 4:3),
5152 x 2896 (14.9 MP, 16:9),
3648 x 2736 (10.0 MP, 4:3),
2048 x 1536 (3.1 MP, 4:3),
640 x 480 (0.3 MP, 4:3),
2560 x 1920 (4.9 MP, 4:3)
Image File Format: JPEG (Exif 2.2) JPEG (EXIF 2.3)
Continuous-mode frames/second: 1.0 0.8
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30/​15)
640x480 (30/​15)
320x240 (30/​15)
1280x720 (25p)
640x480 (30p)
Movie File Format: AVI (Motion JPEG) MOV (Image: MPEG-4 AVC/H.264; Audio: Linear PCM (Monaural))
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder:
HD Video Out: Yes No
HD Video Connection:
Lens & Optics
Lens Mount: n/a n/a
Lens: Pentax zoom lens, 11 elements in 9 groups, 5 aspherical elements Canon Zoom Lens
Focal Length (35mm equivalent): 28 - 140mm 25 - 300mm
Focal Length (actual): 5 - 25mm 4.5 - 54mm
Zoom Ratio: 5.00x 12.00x
Aperture Range: f/3.5 (wide) / f/5.5 (tele) - ??? f/3.6 (W) / f/7.0 (T) - ??
Integrated ND Filter: No No
Normal Focus Range: 50 cm to Infinity
19.7 in to Infinity
5 cm to Infinity
2.0 in to Infinity
Macro Focus Range: 1 - 30 cm
0.4 - 11.8 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: Up to 6.25x; Intelligent Zoom up to 31.3x at VGA Up to 4x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point Contrast Detection with face recognition, spot, pan, and auto tracking modes Contrast Detect AF with Face Detection
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes No
Viewfinder
Viewfinder: LCD No / 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 2.7
Rear Display Resolution: 230,000 dots 230,400 dots (78,000 px)
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):   1600
Minimum ISO (native):   100
ISO Settings: Auto (80-1600), Digital SR (80-6400), Manual (80, 100, 200, 400, 800, 1600, 3200, 6400), ISO 3200-6400 5MP or 3.8MP Auto, ISO 100 - 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: 1/1500 - 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-segment, Center-weighted, Spot 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, Underwater, Landscape, Flower, Portrait, Digital Microscope (2.1M), Digital Wide (5M), Surf & Snow, Digital SR (ISO 3200-6400 5M or 3.8M), Kids, Pet, Sport, Fireworks, Candlelight, Night Scene Portrait, Text, Food, Digital Panorama (2M per frame), Frame Composite (3M or 2.1M), Report Portrait, Face Self-timer, Low Light, Fisheye Effect, Miniature Effect, Toy Camera Effect, Monochrome, Super Vivid, Poster Effect, Snow, Fireworks, Long Shutter
Self Timer: 2 or 10 seconds 2, 10, Custom seconds
Time Lapse (intervalometer): Yes  
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Flash Off, Flash On, Auto + Redeye, On + Redeye, Soft Auto, Flash On, Slow Synchro, Flash Off
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: 13 ft (wide, auto ISO), 8.2 ft (tele, auto ISO) Auto ISO: 1.6 ft. - 13 ft. (W), 3.3 - 6.6 ft. (T) (50cm - 4.0m (W), (1.0m - 2.0m (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: AVI (Motion JPEG) MOV (Image: MPEG-4 AVC/H.264; Audio: Linear PCM (Monaural))
Included Memory: 26.7 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 IR  
Connections (extended): HDMI Out (type D)  
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 1.85  
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): 1.0 0.8
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): 0.26 seconds  
Shutter lag (full AF, tele): 0.27 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): 0.004 seconds  
Shutter Lag (notes):    
Startup Time: 2.1 seconds  
Play -> Record Time:    
Flash cycle time, full power: 5.8 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 205 shots 200 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI88 Proprietary NB-11LH/NB-11L
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI88 Lithium-ion rechargeable 1 x Proprietary NB-11LH Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: No
Software
Included Software: Software S-SW102 (CD ROM)  
OS Compatibility: Windows XP/Vista/7, Mac OS X 10.3.9+  
Miscellaneous
Notes & Features: Waterproof to 20 feet, Shockproof to 4 feet, Coldproof to sub-freezing temperatures, Dustproof. 720p HD Movies, HDMI Output, Advanced Pixel-Track Shake Reduction, Optional Infrared Remote. Available in Black and Pistachio Green. Intelligent IS, 720p HD videos, available in blue, silver or black.