• 1/2.3 inch 28.1mm2
  • 12.1 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • APS-C 369.7mm2
  • 24.3 megapixels
  • ISO 100 - 16,000
  • Detailed specifications
  • Pentax Optio W90
  • Sony Alpha SLT-A65
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax W80
W80 vs W90
 
Successor:    
General
Model Number: W90 A65
Alternate Model Number(s):    
Camera Format: Compact SLR
Currently Manufactured: No No
Retail Price: $329.95 $999.99
Street Price:   $798.00
Date Available: 2010-04-30 2011-10-15
Tripod Mount: Yes Yes
Weight: 5.7 oz (161 g)
includes batteries
29.8 oz (846 g)
includes batteries, kit lens
Size: 4.2 x 2.3 x 1.0 in.
(107 x 59 x 25 mm)
5.2 x 3.8 x 3.2 in.
(132 x 98 x 81 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer:   Sony
Effective Megapixels: 12.1 24.3
Sensor Format: 1/2.3 inch APS-C
Sensor size: 28.0735mm2 (6.17mm x 4.55mm) 369.72mm2 (23.7mm x 15.6mm)
Approximate Pixel Pitch: 1.54 microns 3.95 microns
Focal Length Multiplier: n/a 1.5x
Aspect Ratio: 4:3, 16:9 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter:   Fixed
Self-Cleaning: No Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: No No
DxO Sensor Score:   74
DxO Color Depth Score (bits):   23.4
DxO Dynamic Range Score (evs):   12.6
DxO Maximum Effective ISO Score (iso):   717
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)
6000 x 4000 (24.0 MP, 3:2),
6000 x 3376 (20.3 MP, 16:9),
4240 x 2832 (12.0 MP, 3:2),
4240 x 2400 (10.2 MP, Other),
3008 x 2000 (6.0 MP, 3:2),
3008 x 1688 (5.1 MP, 16:9),
12416 x 1856 (23.0 MP, Other),
8192 x 1856 (15.2 MP, Other),
2160 x 5536 (12.0 MP, Other),
2160 x 3872 (8.4 MP, Other),
7152 x 1080 (7.7 MP, Other),
4912 x 1080 (5.3 MP, Other),
1920 x 1080 (2.1 MP, 16:9)
Image File Format: JPEG (Exif 2.2) JPEG (EXIF 2.3), MPO (3D), RAW (ARW 2.3), RAW+JPEG
Continuous-mode frames/second: 1.0 10.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30/​15)
640x480 (30/​15)
320x240 (30/​15)
1920x1080 (60p/​28Mbps/​PS or 60i/​24Mbps/​FX or 60i/​17Mbps/​FH or 24p/​24Mbps/​FX or 24p/​17Mbps/​FH)
1440x1080 (30p/​12Mbps)
640x480 (30p/​3Mbps)
Movie File Format: AVI (Motion JPEG) AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: n/a Sony Alpha (Minolta A)
Lens: Pentax zoom lens, 11 elements in 9 groups, 5 aspherical elements Sony 18-55mm f/3.5-5.6 DT SAM
Focal Length (35mm equivalent): 28 - 140mm 27 - 83mm
Focal Length (actual): 5 - 25mm 18 - 55mm
Zoom Ratio: 5.00x 3.06x
Aperture Range: f/3.5 (wide) / f/5.5 (tele) - ??? f/3.5 - 22 (W), f/5.6 - 36 (T)
Integrated ND Filter: No No
Normal Focus Range: 50 cm to Infinity
19.7 in to Infinity
25 cm to Infinity
9.8 in to Infinity
Macro Focus Range: 1 - 30 cm
0.4 - 11.8 in
 
Filter Thread: n/a 55.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes Yes
Digital Zoom Values: Up to 6.25x; Intelligent Zoom up to 31.3x at VGA 1.4x / 2x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point Contrast Detection with face recognition, spot, pan, and auto tracking modes Phase Detection: 15 points (3 points cross type); Wide (auto, 15 points), Zone, Spot, Local
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: LCD EVF / LCD
Viewfinder Type:   EVF type; 1.3cm (0.5") 2,359K-dot OLED, 100% coverage, 1.09x mag., 22mm eyepoint, -4 to +3 diopter
Focus Peaking: No Yes
EVF Resolution: n/a 2,359,000 dots
Viewfinder Magnification (35mm equivalent):   0.73x
Viewfinder Magnification (nominal/claimed):   1.09x
Display
Eye-level Viewfinder: No Yes
Rear Display: Yes Yes
Rear Display Size (inches): 2.7 3.0
Rear Display Resolution: 230,000 dots 921,600 dots
Touchscreen: No No
Articulating Screen: No Yes
Tilt Swivel Screen: No Yes
Selfie Screen: No Yes
Max Playback Zoom: 10.0x 13.6x
Top Deck Display: No
Exposure
Maximum ISO (native):   16000
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 (100-1600), 100-16000. (Multi-frame NR mode up to ISO 25600)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Tungsten, Fluorescent , Manual Auto WB, Daylight, Shade, Cloudy, Incandescent, Fluorescent (Warm white/Cool white/Day white/Daylight), Flash, C. Temp 2500 to 9900K, C Filter G7 to M7 (15-step), Custom, AWB micro adjustment
Shutter Speed Range: 1/1500 - 4 sec 1/4000 - 30 sec
Bulb Mode: No Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: Multi-segment, Center-weighted, Spot 1200-zone Evaluative, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: No Yes
Shutter Priority: No Yes
Full Manual Exposure: No Yes
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, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night Scene, Hand-held Twilight, Auto HDR, Sweep Panorama (2D/3D)
Self Timer: 2 or 10 seconds 2, 10; 3 or 5 frames after 10s 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, Off, Fill-flash, Rear sync, Wireless, High-Speed sync (with external flash), Slow sync, Red-eye reduction: On/Off
Flash Guide Number (ISO 100): n/a 10.0 m / 32.8 ft.
Flash Range Description: 13 ft (wide, auto ISO), 8.2 ft (tele, auto ISO) Lens dependent
Max Flash Sync:   1/160
Flash Exposure Compensation:   +/- 2.0 EV in 0.3EV steps
External Flash Connection: n/a Hot shoe
Built-In Wireless Flash Control:   Full TTL exposure
Image Storage
Usable Memory Types: SD / SDHC MS PRO Duo / SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No Yes
Uncompressed Format:   RAW (ARW 2.3), RAW+JPEG
Movie File Format: AVI (Motion JPEG) AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC
Included Memory: 26.7 MB  
Included Memory Type: Internal  
Connectivity
Built-In Wi-Fi: No No
NFC: No
Bluetooth: No No
Built-In GPS: No Yes
Microphone Jack: No Yes
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 Yes
Remote Control Type: Optional IR Optional Wireless or Wired
Connections (extended): HDMI Out (type D) Type-C HDMI Mini Connector (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, External Stereo Micophone Jack, DC Input
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 1.85 0.47
Cycle time for RAW shooting in single shot mode (seconds per frame):   0.41
Buffer size for RAW shooting in single shot mode (frames):   5
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 1.0 10.0
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 0.14 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):   0.081 seconds
Shutter lag (full AF, with flash):   0.29 seconds
Shutter Lag (prefocused): 0.004 seconds 0.054 seconds
Shutter Lag (notes):   Full Autofocus, Wide Area AF = 0.130s
Startup Time: 2.1 seconds 2.8 seconds
Play -> Record Time:   1.2 seconds
Flash cycle time, full power: 5.8 seconds 2.0 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 205 shots  
Battery Life, Still (CIPA Rating OVF/EVF):   510 shots
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI88 Proprietary NP-FM500H
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI88 Lithium-ion rechargeable 1 x Proprietary NP-FM500H 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) Software CD-ROM (includes Picture Motion Browser, Image Data Converter 4)
OS Compatibility: Windows XP/Vista/7, Mac OS X 10.3.9+ Windows XP SP3/Vista SP2/7, Mac OS X (v.10.5 +); PMB is Windows only
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. SteadyShot INSIDE Image Stabilization, Articulating LCD, 1080p HD Video, Auto+, Multi-frame NR, Hand-held Twilight, Auto HDR, Picture Effect, D-Range Optimizer, 2D/3D Sweep Panorama, Smile Shutter, DOF Preview, 10fps Burst Mode, Built-in GPS.