• 1/2.3 inch 28.1mm2
  • 12.1 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • 4/3 224.9mm2
  • 20.2 megapixels
  • ISO 100 - 25,600
  • Detailed specifications
  • Pentax Optio H90
  • YI M1
Links
Prices:    
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: H90 M1
Alternate Model Number(s):    
Camera Format: Ultra Compact Compact System Camera
Currently Manufactured: No Yes
Retail Price: $179.95 $349.99
Street Price:   $199.00
Date Available: 2010-02-15 2016-12-31
Tripod Mount: Yes Yes
Weight: 4.6 oz (131 g)
includes batteries
9.9 oz (280 g)
includes batteries
Size: 3.7 x 2.2 x 1.0 in.
(94 x 56 x 25 mm)
4.5 x 2.5 x 1.3 in.
(114 x 64 x 34 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer:   Sony
Effective Megapixels: 12.1 20.2
Sensor Format: 1/2.3 inch 4/3
Sensor size: 28.0735mm2 (6.17mm x 4.55mm) 224.9mm2 (17.30mm x 13.00mm)
Approximate Pixel Pitch: 1.54 microns 3.34 microns
Focal Length Multiplier: n/a 2.0x
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)
5184 x 3888 (20.2 MP, 4:3)
Image File Format: JPEG (Exif 2.2) JPEG (EXIF 2.3), RAW (DNG)
Continuous-mode frames/second: 2.9 5.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30/​15)
640x480 (30/​15)
320x240 (30/​15)
3840x2160 (30p)
2048x1536 (30p)
1920x1080 (60p/​30p/​24p)
1280x720 (60p/​30p/​24p)
640x480 (240p)
Movie File Format: AVI (Motion JPEG) Video: MPEG-4/H.264, Audio: AAC
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 Micro Four Thirds
Lens: Pentax zoom lens; 7 elements in 6 groups, 3 aspherical elements XIAOYI 12-40mm F3.5-5.6
Focal Length (35mm equivalent): 28 - 140mm 24 - 80mm
Focal Length (actual): 5.1 - 25.5mm 12 - 40mm
Zoom Ratio: 5.00x 3.33x
Aperture Range: f/3.5 (wide) / f/5.9 (tele) - ??? f/3.5 (wide) / f/5.6 (tele) - f/22
Integrated ND Filter: No No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity
35 cm to Infinity
13.8 in to Infinity
Macro Focus Range: 8 - 15 cm
3.1 - 5.9 in
 
Filter Thread: n/a 49.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes
Digital Zoom Values: Up to 6.25x  
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detection: 9 point AF, Spot AF, Auto Tracking AF Contrast Detection: 81 points; AF: Single AF (S-AF), Continuous AF (C-AF), Touch Screen Focus & Shoot
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: LCD No / LCD
Viewfinder Type:    
Focus Peaking: No Yes
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 1,036,800 dots (345,600 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: No
Exposure
Maximum ISO (native):   25600
Minimum ISO (native):   100
ISO Settings: Auto (80-800), Digital SR (80-6400), Manual (80-6400), ISO 3200/6400 limited to 5 or 3.8mpix Auto, 100 - 25600
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Tungsten, Fluorescent , Manual Auto, Cloudy, Custom, Incandescent, Shade, Sunlight
Shutter Speed Range: 1/2000 - 4 sec 1/4000 - 60 sec
Bulb Mode: No Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: Multi-segment, Center-weighted, Spot 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, 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) Panorama, Scene (Portrait, Landscape, Sport, Night Scene Portrait, Candle,Sunset, Fireworks, Beach & Snow), Super Professional guide, HDR
Self Timer: 2 or 10 seconds 2, 10 seconds
Time Lapse (intervalometer): Yes Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: Auto, Flash Off, Flash On, Auto + Redeye, On + Redeye, Soft Auto, On, Off
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: 13’ (wide, auto ISO), 7.9’ (tele, auto ISO) n/a
Max Flash Sync:   1/125
Flash Exposure Compensation:    
External Flash Connection: n/a Hot Shoe
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 Yes
Uncompressed Format:   RAW (DNG)
Movie File Format: AVI (Motion JPEG) Video: MPEG-4/H.264, Audio: AAC
Included Memory: 32.7 MB No memory included
Included Memory Type: Internal  
Connectivity
Built-In Wi-Fi: No Yes
NFC: No No
Bluetooth: No Yes
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,Bluetooth,WiFi
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: No Yes
Remote Control Type:   Via Wi-Fi
Connections (extended): DC Input Micro HDMI (Type-D), USB 2.0
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): 2.9 5.0
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): 210 shots 380 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI88 Proprietary
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI88 Lithium-ion rechargeable 1 x Proprietary Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: No
Internal Charging Supported: Yes
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. Available in Ice Silver and Storm Black.