• 1/2.3 inch 28.1mm2
  • 12.1 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 16.2 megapixels
  • 25.00mm - 100.00mm (35mm eq.)
  • Detailed specifications
  • Pentax Optio H90
  • Sony Cyber-shot DSC-TX20
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: H90 TX20
Alternate Model Number(s):    
Camera Format: Ultra Compact Ultra Compact
Currently Manufactured: No No
Retail Price: $179.95 $329.99
Street Price:   $369.62
Date Available: 2010-02-15 2012-05-15
Tripod Mount: Yes Yes
Weight: 4.6 oz (131 g)
includes batteries
4.7 oz (133 g)
includes batteries
Size: 3.7 x 2.2 x 1.0 in.
(94 x 56 x 25 mm)
3.8 x 2.2 x 0.7 in.
(96 x 56 x 18 mm)
Waterproof: No Yes
Waterproof Depth: n/a  
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer:   Sony Exmor R
Effective Megapixels: 12.1 16.2
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 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),
3072 x 2304 (7.1 MP, 4:3),
2592 x 1944 (5.0 MP, 4:3),
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)
4608 x 3456 (15.9 MP, 4:3),
4608 x 2592 (11.9 MP, 16:9),
3648 x 2736 (10.0 MP, 4:3),
2592 x 1944 (5.0 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
640 x 480 (0.3 MP, 4:3),
10480 x 4096 (42.9 MP, Other),
7512 x 1080 (8.1 MP, Other),
4912 x 1920 (9.4 MP, Other),
4912 x 1080 (5.3 MP, Other),
3424 x 1920 (6.6 MP, 16:9)
Image File Format: JPEG (Exif 2.2) JPEG, MPF
Continuous-mode frames/second: 2.9 10.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30/​15)
640x480 (30/​15)
320x240 (30/​15)
1920x1080 (60i(FX))
1920x1080 (60i(FH))
1440x1080 (60i(HQ))
1440x1080 (30p)
1280x720 (30p)
640x480 (30p)
Movie File Format: AVI (Motion JPEG) AVCHD Ver 2.0 or MP4; with stereo audio
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: n/a
HD Video Out: No Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: n/a n/a
Lens: Pentax zoom lens; 7 elements in 6 groups, 3 aspherical elements Carl Zeiss Vario-Tessar 12 elements in 10 groups (including 6 aspheric elements)
Focal Length (35mm equivalent): 28 - 140mm 25 - 100mm
Focal Length (actual): 5.1 - 25.5mm 4.4 - 17mm
Zoom Ratio: 5.00x 4.00x
Aperture Range: f/3.5 (wide) / f/5.9 (tele) - ??? f/3.5 (W) - f/4.8 (T)
Integrated ND Filter: No No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity
8 cm to Infinity
3.1 in to Infinity
Macro Focus Range: 8 - 15 cm
3.1 - 5.9 in
1 cm to Infinity
0.4 in to Infinity
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 Up to 2x Clear Image, up to 4x Precision, up to 57x Smart Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detection: 9 point AF, Spot AF, Auto Tracking AF Contrast Detection AF: Multi-point, Center-weighted, Spot, Flexible Spot; Tracking, Face Tracking
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 3.0
Rear Display Resolution: 230,000 dots 921,600 dots (307,200 px)
Touchscreen: No Yes
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 10.0x  
Top Deck Display:
Exposure
Maximum ISO (native):   3200
Minimum ISO (native):   125
ISO Settings: Auto (80-800), Digital SR (80-6400), Manual (80-6400), ISO 3200/6400 limited to 5 or 3.8mpix Auto, 125, 200, 400, 800, 1600, 3200
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Tungsten, Fluorescent , Manual Auto, Daylight, Cloudy, Fluorescent 1/2/3, Incandescent, Flash, Underwater, One Push
Shutter Speed Range: 1/2000 - 4 sec 1/1600 - 4 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 Multi-pattern, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: No No
Shutter Priority: No No
Full Manual Exposure: No No
Creative Exposure Modes: Night Scene, Night Scene Portrait, Half Length Portrait (3M), Landscape, Flower, Portrait, Surf & Snow, Sport, Digital SR, Kids, Pet, Food, Fireworks, Frame Composite (3M), Party, Natural Skin Tone, Candlelight, Text, Blog (VGA), Digital Wide (5M), Digital Panorama (2M per frame) Background Defocus, Scene (High Sensitivity, Night Scene, Handheld Twilight, Night Portrait, Landscape, Soft Snap, Soft Skin, Anti Motion Blur, Backlight Correction HDR, Beach, Snow, Fireworks, Hispeed Shutter, Underwater, Gourmet, Pet Mode), Picture Effect (HDR Painting, Richtone Monochrome, Miniature, Toy camera, Pop Color, Partial Color, Soft High-key), 3D (3D Still Image, 3D Sweep Panorama, Sweep Multi Angle), Panorama (Intelligent Sweep Panorama, Underwater Sweep Panorama)
Self Timer: 2 or 10 seconds 2, 10, Portrait1, Portrait2 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 Syncro, Flash Off; Red-eye Reduction: On/Off/Auto
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: 13’ (wide, auto ISO), 7.9’ (tele, auto ISO) ISO Auto: Approx. 0.08 - 3.7m (W) / Approx. 0.5 - 2.7m (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 MS Duo / MS PRO Duo / 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) AVCHD Ver 2.0 or MP4; with stereo audio
Included Memory: 32.7 MB 19.0 MB
Included Memory Type: Internal 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 No
DPOF Compliant: Yes Yes
Remote Control: No No
Remote Control Type:    
Connections (extended): DC Input MultiType3b (AV/USB/DC IN), Mini HDMI (Type C)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):   1.99
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): 2.9 10.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 6 10
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):   0.29 seconds
Shutter lag (full AF, tele):   0.30 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):   0.015 seconds
Shutter Lag (notes):    
Startup Time:   1.2 seconds
Play -> Record Time:    
Flash cycle time, full power:   6.3 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 210 shots 250 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI88 Proprietary NP-BN/NP-BN1
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI88 Lithium-ion rechargeable 1 x Proprietary NP-BN 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-SW104  
OS Compatibility: Windows XP/Vista/7, MacOS-X 10.3.9+  
Miscellaneous
Notes & Features: Improved Pixel Track Shake Reduction, 720p HD Movies, Smile Capture, Blink Detection. Available in Orange-Silver, Matte Black and Ceramic White. Water-proof (up to 5m or 16 feet), Dust-proof, Shock-proof (up to 1.5m or 5ft) and Freeze-proof (down to 14F), Optical Image Stabilization, Full HD Movies, Dual Record captures 12MP stills during movies, 7 Picture Effect options. Available in orange, green, black, blue or pink.