• APS-C 368.2mm2
  • 14.6 megapixels
  • ISO 100 - 3200
  • APS-C 369.0mm2
  • 20.9 megapixels
  • ISO 100 - 51,200
  • Detailed specifications
  • Pentax K20D
  • Nikon D7500
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Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor: Pentax K10D
K10D vs K20D
Nikon D7200
D7200 vs D7500
Successor: Pentax K-7
K20D vs K-7
 
General
Model Number: K20D D7500
Alternate Model Number(s):    
Camera Format: Pro SLR SLR
Currently Manufactured: No Yes
Retail Price: $799.95 $1249.95
Street Price:   $863.62
Date Available: 2008-04-30 2017-06-30
Tripod Mount: Yes Yes
Weight: 28.3 oz (802 g)
includes batteries
42.2 oz (1,197 g)
includes batteries, kit lens
Size: 5.6 x 4.0 x 2.8 in.
(142 x 102 x 70 mm)
5.3 x 4.1 x 2.9 in.
(136 x 104 x 73 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer:    
Effective Megapixels: 14.6 20.9
Sensor Format: APS-C APS-C
Sensor size: 368.16mm2 (23.60mm x 15.60mm) 368.95mm2 (23.50mm x 15.70mm)
Approximate Pixel Pitch: 5.05 microns 4.22 microns
Focal Length Multiplier: 1.5x 1.5x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed None
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 65 86
DxO Color Depth Score (bits): 22.9 24.3
DxO Dynamic Range Score (evs): 11.1 14.0
DxO Maximum Effective ISO Score (iso): 639 1,483
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)
5568 x 3712 (20.7 MP, 3:2),
4176 x 2784 (11.6 MP, 3:2),
2784 x 1856 (5.2 MP, 3:2),
4272 x 2848 (12.2 MP, 3:2),
3200 x 2136 (6.8 MP, 3:2),
2128 x 1424 (3.0 MP, Other)
Image File Format: JPEG (EXIF 2.21), RAW (.PEF, .DNG) JPEG (EXIF 2.3), .NEF (RAW), 12 or 14 bit, lossless compressed or compressed; RAW+JPEG
Continuous-mode frames/second: 2.8 8.2
Video Capture
Can take movies: No Yes
Movie Resolution: 3840x2160 (30p/​25p/​24p)
1920x1080 (60p/​50p/​30p/​25p/​24p)
1280x720 (60p/​50p)
Movie File Format:   MOV (Video: H.264/MPEG-4 AVC; Audio: Stereo Linear PCM)
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) Nikon F
Lens: n/a Nikon AF-S 16-80mm f/2.8-4E ED VR DX
Focal Length (35mm equivalent):   24 - 120mm
Focal Length (actual):   16 - 80mm
Zoom Ratio:   5.00x
Aperture Range:   f/2.8 (wide) / f/4 (tele) - f/22 (wide) / f/32 (tele)
Integrated ND Filter: No No
Normal Focus Range:   35 cm to Infinity
13.8 in to Infinity
Macro Focus Range:    
Filter Thread: n/a 72.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: No No
Digital Zoom Values: n/a n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 11-point TTL phase-matching (SAFOX VIII) OVF: Nikon Advanced Multi-CAM 3500DX II autofocus sensor module with TTL phase detection; 51 focus points (including 15 cross-type sensors; f/8 supported by 1 sensor); Single-point AF; 9, 21, or 51-point dynamic area AF, 3D-tracking, group-area AF, auto-area AF; Contrast-detect AF in Live View mode: Face-priority AF, Wide-area AF, Normal-area AF, Subject-tracking AF
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD Optical / LCD
Viewfinder Type: SLR type; eye-level pentaprism, coverage: 95%, magnification: 0.95x, diopter: -2.5 to 1.5 SLR type: eye-level pentaprism, 100% coverage, 0.94x magnification (~0.63x 35mm eq.), 18.5mm eyepoint, -2 to +1 diopter
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent): 0.63x 0.63x
Viewfinder Magnification (nominal/claimed): 0.95x 0.94x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 2.7 3.2
Rear Display Resolution: 230,000 dots 921,600 dots (307,200 px)
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 32.0x  
Top Deck Display: Yes Yes
Exposure
Maximum ISO (native): 3200 51200
Minimum ISO (native): 100 100
ISO Settings: Auto, 100, 200, 400, 800, 1600, 3200, 6400 (expanded) Auto, ISO 100 - 51200, expandable to Lo-1 ISO 50 to Hi-5 ISO 1,638,400
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent (W, D, N), Flash, Color Temperature Auto (2 types), Cloudy, Shade, Direct Sunlight, Flash, Fluorescent (7 types), Incandescent, Kelvin Color Temperature (2,500K-10,000K), Preset manual (up to 6); Fine tuning available.
Shutter Speed Range: 1/4000 - 30 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: TTL open-aperture: 16-segment, Center-weighted, Spot TTL exposure metering using RGB sensor with approximately 180K (180,000) pixels; Matrix: 3D color matrix metering III (type G, E, and D lenses), color matrix metering III (other CPU lenses); Center-weighted (weight of approximately 75% given to 8mm circle in center of frame. Diameter of circle can be changed to 6, 10, or 13mm, or weighting can be based on average of entire frame (non-CPU lenses use 8-mm circle); Spot: meters circle with diameter of about 3.5mm (about 2.5% of frame) centered on selected focus point (on center focus point when non-CPU lens is used); Highlight-weighted: Available with type G, E, and D lenses
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 Custom: U1, U2; Scene Modes: Autumn Colors, Beach / Snow, Blossom, Candlelight, Child, Close-up, Dusk / Dawn, Food, Landscape, Night Landscape, Night Portrait, Party / Indoor, Pet Portrait, Portrait, Sports, Sunset; Special Effects: Night Vision, Super Vivid, Pop, Photo Illustration, Toy Camera Effect, Miniature Effect, Selective Color, Silhouette, High Key, Low Key
Self Timer: 2 or 12 seconds 2/5/10/20s; 1-9 exposures at intervals of 0.5, 1, 2, or 3 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync, Wireless Front curtain sync, slow sync, rear-curtain sync, red-eye reduction, red-eye reduction with slow sync, slow rear-curtain sync, Auto FP High-Speed Sync supported
Flash Guide Number (ISO 100): 13.0 m / 42.7 ft. 12.0 m / 39.4 ft.
Flash Range Description: Depends on lens GN=12m/39ft at ISO 100; range depends on lens aperture
Max Flash Sync: 1/180 1/250 (up to 1/320s with lower flash range)
Flash Exposure Compensation: -2 to +1 EV in 0.3EV steps -3 to +1 EV in 0.3EV steps
External Flash Connection: Hot Shoe, PC-Sync Socket Hot Shoe
Built-In Wireless Flash Control: Full TTL exposure Full TTL exposure
Image Storage
Usable Memory Types: SD / SDHC SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (.PEF, .DNG) .NEF (RAW), 12 or 14 bit, lossless compressed or compressed; RAW+JPEG
Movie File Format:   MOV (Video: H.264/MPEG-4 AVC; Audio: Stereo Linear PCM)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No No
Bluetooth: No Yes
Built-In GPS: No No
Microphone Jack: No Yes
Headphone Jack: No Yes
External Connections: USB 2.0 High Speed USB 2.0 High Speed,Bluetooth,WiFi
PictBridge Compliant: Yes Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Wired or IR Optional: wired or wireless
Connections (extended): DC input, wired remote Type-C Mini HDMI with uncompressed video support, Accessory Terminal, USB 2.0 Micro-USB, Stereo Microphone Jack, Stereo Headphone Jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.39 <0.3
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):   <0.3
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 2.8 8.2
Buffer size for JPEG shooting in burst mode (frames, max resolution): 38 100
RAW shooting speed in burst mode (fps):   8.2
Buffer size for RAW shooting in burst mode (frames):   47
RAW+JPEG shooting speed in burst mode (fps):   8.2
Buffer Size for RAW+JPEG shooting in burst mode (frames):   31
Shutter lag (full AF, wide/mid): 0.17 seconds 0.08 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):   0.119 seconds
Shutter Lag (manual focus): 0.090 seconds 0.052 seconds
Shutter lag (full AF, with flash): 0.24 seconds 0.11 seconds
Shutter Lag (prefocused): 0.089 seconds 0.050 seconds
Shutter Lag (notes): Live View: Full AF = n/a Prefocused = 0.659s Prefocused with flash = 2.395s  
Startup Time: 0.4 seconds 0.2 seconds
Play -> Record Time: 0.5 seconds 0.2 seconds
Flash cycle time, full power: 3.1 seconds 2.5 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 530 shots 950 shots
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI50 Proprietary EN-EL15a
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI50 Lithium-ion rechargeable 1 x Proprietary EN-EL15a Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes Yes
Internal Charging Supported: No No
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.