• APS-C 368.2mm2
  • 14.6 megapixels
  • ISO 100 - 3200
  • 1/2.3 inch 28.1mm2
  • 18.2 megapixels
  • 24.00mm - 720.00mm (35mm eq.)
  • Detailed specifications
  • Pentax K20D
  • Sony Cyber-shot DSC-HX90V
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax K10D
K10D vs K20D
Sony HX50V
HX50V vs HX90V
Successor: Pentax K-7
K20D vs K-7
Sony HX99
HX90V vs HX99
General
Model Number: K20D HX90V
Alternate Model Number(s):    
Camera Format: Pro SLR Compact
Currently Manufactured: No Yes
Retail Price: $799.95 $429.95
Street Price:   $448.00
Date Available: 2008-04-30 2015-06-30
Tripod Mount: Yes Yes
Weight: 28.3 oz (802 g)
includes batteries
8.6 oz (245 g)
includes batteries
Size: 5.6 x 4.0 x 2.8 in.
(142 x 102 x 70 mm)
4.0 x 2.3 x 1.4 in.
(102 x 58 x 36 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:   Sony Exmor R
Effective Megapixels: 14.6 18.2
Sensor Format: APS-C 1/2.3 inch
Sensor size: 368.16mm2 (23.60mm x 15.60mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 5.05 microns 1.26 microns
Focal Length Multiplier: 1.5x n/a
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed None
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 65  
DxO Color Depth Score (bits): 22.9  
DxO Dynamic Range Score (evs): 11.1  
DxO Maximum Effective ISO Score (iso): 639  
Image Capture
Image Resolution: 4672 x 3104 (14.5 MP, Other),
3872 x 2592 (10.0 MP, Other),
3008 x 2000 (6.0 MP, 3:2),
1824 x 1216 (2.2 MP, 3:2)
4896 x 3672 (18.0 MP, 4:3),
4896 x 3264 (16.0 MP, 3:2),
4896 x 2752 (13.5 MP, 16:9),
3648 x 2736 (10.0 MP, 4:3),
3648 x 2432 (8.9 MP, 3:2),
3648 x 2056 (7.5 MP, Other),
2592 x 1944 (5.0 MP, 4:3),
2592 x 1728 (4.5 MP, 3:2),
1920 x 1080 (2.1 MP, 16:9),
3664 x 3664 (13.4 MP, 1:1),
2736 x 2736 (7.5 MP, 1:1),
1920 x 1920 (3.7 MP, 1:1),
7152 x 1080 (7.7 MP, Other),
4912 x 1920 (9.4 MP, Other),
4912 x 1080 (5.3 MP, Other),
3424 x 1920 (6.6 MP, 16:9),
11520 x 1080 (12.4 MP, Other)
Image File Format: JPEG (EXIF 2.21), RAW (.PEF, .DNG) JPEG
Continuous-mode frames/second: 2.8 10.0
Video Capture
Can take movies: No Yes
Movie Resolution: 1920x1080 (60p/​50p/​60i/​50i/​30p/​25p/​24p)
1280x720 (30p/​25p)
Movie File Format:   XAVC S, AVCHD 2.0 or MP4; with stereo audio
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: No n/a
HD Video Out: No Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Pentax K (KA/KAF/KAF2) n/a
Lens: n/a ZEISS Vario-Sonnar T* Lens, 11 elements in 10 groups (5 aspheric elements)
Focal Length (35mm equivalent):   24 - 720mm
Focal Length (actual):   4.1 - 123mm
Zoom Ratio:   30.00x
Aperture Range:   f/3.5 (W) / f/6.4(T) - f/8; 5-blade Iris Diaphragm
Integrated ND Filter: No No
Normal Focus Range:   5 cm to Infinity
2.0 in to Infinity
Macro Focus Range:    
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: No Yes
Digital Zoom Values: n/a Up to 2x Clear Image, up to 4x Digital Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 11-point TTL phase-matching (SAFOX VIII) Contrast Detection AF: Wide, Center, Flexible Spot (S/M/L), Expanded Flexible Spot, Continuous AF (Advanced sports & Movie Only)
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD EVF / LCD
Viewfinder Type: SLR type; eye-level pentaprism, coverage: 95%, magnification: 0.95x, diopter: -2.5 to 1.5 0.2-inch 638K-dot OLED, 100% coverage, approx. 0.5x magnification with 50mm lens at infinity and -1m-1(diopter) (35mm equiv.), -4.0 to +3.0m-1 diopter, eye detector.
Focus Peaking: No Yes
EVF Resolution: n/a 638,400 dots
Viewfinder Magnification (35mm equivalent): 0.63x 0.50x
Viewfinder Magnification (nominal/claimed): 0.95x  
Display
Eye-level Viewfinder: Yes Yes
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 No
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No Yes
Max Playback Zoom: 32.0x  
Top Deck Display: Yes No
Exposure
Maximum ISO (native): 3200 3200
Minimum ISO (native): 100 80
ISO Settings: Auto, 100, 200, 400, 800, 1600, 3200, 6400 (expanded) Auto, 80, 100, 200, 400, 800, 1600, 3200, 6400*, 12800*; * Achieved by using "By Pixel Super Resolution" technology and overlay burst shooting
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (W, D, N), Flash, Color Temperature Auto, Daylight, Shade, Cloudy, Fluorescent Cool White, Fluorescent Day White, Fluorescent Daylight, Incandescent, Flash, Custom, One Push
Shutter Speed Range: 1/4000 - 30 sec 1/2000 - 30 sec
Bulb Mode: Yes No
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: TTL open-aperture: 16-segment, Center-weighted, Spot Multi-pattern, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Sensitivity Priority, Shutter and Aperture Priority Scene Modes: Portrait, Advanced Sports Shooting, Landscape, Sunset, Night Scene, Handheld Twilight, Night Portrait, Anti Motion Blur, Pet Mode, Gourmet, Beach, Snow, Fireworks, Soft Skin, High Sensitivity, Intelligent Sweep Panorama; Effects: Toy camera, Pop Color, Posterization, Retro Photo, Soft High-key, Partial Color, High Contrast Mono., Soft Focus, HDR Painting, Richtone Monochrome, Miniature, Watercolor, Illustration
Self Timer: 2 or 12 seconds 2, 5, 10; 3 shots seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync, Wireless Auto, Flash On, Slow Sync., Flash Off, Rear Sync.; Red-eye reduction available
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. n/a
Flash Range Description: Depends on lens ISO Auto: 0.3 to 5.4m (W) / 2.5 to 3.0m (T)
Max Flash Sync: 1/180 1/2000
Flash Exposure Compensation: -2 to +1 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe, PC-Sync Socket n/a
Built-In Wireless Flash Control: Full TTL exposure No
Image Storage
Usable Memory Types: SD / SDHC MS Duo / MS PRO Duo / SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes No
Uncompressed Format: RAW (.PEF, .DNG)  
Movie File Format:   XAVC S, AVCHD 2.0 or MP4; with stereo audio
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No Yes
Bluetooth: No No
Built-In GPS: No Yes
Microphone Jack: No No
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed,WiFi
PictBridge Compliant: Yes No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Wired or IR Via Wi-Fi
Connections (extended): DC input, wired remote Micro (Type-D) HDMI, Multi/Micro USB 2.0
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.39  
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.36  
Buffer size for RAW shooting in single shot mode (frames): 11  
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): 2.8 10.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 38 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): 0.17 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.090 seconds  
Shutter lag (full AF, with flash): 0.24 seconds  
Shutter Lag (prefocused): 0.089 seconds  
Shutter Lag (notes): Live View: Full AF = n/a Prefocused = 0.659s Prefocused with flash = 2.395s  
Startup Time: 0.4 seconds  
Play -> Record Time: 0.5 seconds  
Flash cycle time, full power: 3.1 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   390 shots
Battery Life, Still (CIPA Rating OVF/EVF): 530 shots 360 shots
Battery Life, Video:   70 minutes
Battery Form Factor: Proprietary D-LI50 Proprietary NP-BX1
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI50 Lithium-ion rechargeable 1 x Proprietary NP-BX1 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes No
Internal Charging Supported: No Yes
Software
Included Software: CD-ROM S-SW74/75  
OS Compatibility: Windows XP/Vista, MacOS 10.2 or later  
Miscellaneous
Notes & Features: PENTAX-developed Shake Reduction (SR) system; Weather and dust resistant body; Live View mode that allows users to see the full image area to confirm composition, focus status and lighting on the large 2.7 inch LCD monitor; Expanded Dynamic Range function; Improved Dust Reduction system that features the new Dust Alert function to pinpoint the exact location of dust particles for the photographer to remove. Available in black.