• APS-C 372.1mm2
  • 16.3 megapixels
  • ISO 100 - 51,200
  • 35mm 864.0mm2
  • 24.1 megapixels
  • ISO 100 - 102,400
  • Detailed specifications
  • Pentax K-500
  • Canon EOS R3
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Prices: Compare Prices  
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: K-500 R3
Alternate Model Number(s):    
Camera Format: SLR Compact System Camera
Currently Manufactured: No Yes
Retail Price: $599.95 $5999.00
Street Price: $596.95  
Date Available: 2013-07-15 2021-11-01
Tripod Mount: Yes Yes
Weight: 30.1 oz (852 g)
includes batteries, kit lens
35.8 oz (1,015 g)
includes batteries
Size: 5.1 x 3.8 x 2.8 in.
(130 x 97 x 71 mm)
5.9 x 5.6 x 3.4 in.
(150 x 143 x 87 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Canon
Effective Megapixels: 16.3 24.1
Sensor Format: APS-C 35mm
Sensor size: 372.09mm2 (23.70mm x 15.70mm) 864mm2 (36.00mm x 24.00mm)
Approximate Pixel Pitch: 4.81 microns 6.00 microns
Focal Length Multiplier: 1.5x 1.0x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes Yes
On-Sensor Phase Detect: No Yes
DxO Sensor Score: 79  
DxO Color Depth Score (bits): 23.7  
DxO Dynamic Range Score (evs): 13.1  
DxO Maximum Effective ISO Score (iso): 1,087  
Image Capture
Image Resolution: 4928 x 3264 (16.1 MP, Other),
4224 x 2816 (11.9 MP, 3:2),
3456 x 2304 (8.0 MP, 3:2),
2688 x 1792 (4.8 MP, 3:2)
6000 x 4000 (24.0 MP, 3:2),
3984 x 2656 (10.6 MP, 3:2),
2976 x 1984 (5.9 MP, 3:2),
2400 x 1600 (3.8 MP, 3:2),
5328 x 4000 (21.3 MP, 4:3),
3552 x 2664 (9.5 MP, 4:3),
2656 x 1992 (5.3 MP, 4:3),
2112 x 1600 (3.4 MP, Other),
6000 x 3368 (20.2 MP, 16:9),
3984 x 2240 (8.9 MP, 16:9),
2976 x 1680 (5.0 MP, Other),
2400 x 1344 (3.2 MP, Other),
4000 x 4000 (16.0 MP, 1:1),
2656 x 2656 (7.1 MP, 1:1),
1984 x 1984 (3.9 MP, 1:1),
1600 x 1600 (2.6 MP, 1:1),
3744 x 2496 (9.3 MP, 3:2),
2400 x 2400 (5.8 MP, 1:1)
Image File Format: JPEG (EXIF 2.3), 12-bit RAW (.DNG), RAW+JPEG JPEG (EXIF v2.3); HEIF, RAW (14 bit); C-RAW; RAW+JPEG; RAW+HEIF; C-RAW+HEIF
Continuous-mode frames/second: 6.0 30.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p/​24p)
640x480 (30p/​25p/​24p)
6000x3164 (60p/​50p/​30p/​24p/​23.98p)
4096x2160 (120p/​60p/​30p/​24p/​23.98p)
3840x2160 (120p/​60p/​30p/​23.98p)
1920x1080 (60p/​30p/​23.98p)
Movie File Format: MOV MPEG-4 AVC (H.264) with monaural audio Video: RAW (CRM); H.265/HEVC; MPEG4 AVC/H.264 Variable (averaged) bit rate; Audio: ALL-I/IPB: Linear PCM/AAC
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/KAF2/3) Canon RF
Lens: smc PENTAX-DA L 18-55mm f/3.5-5.6 AL; 11 elements in 8 groups, 6 bladed diaphragm n/a
Focal Length (35mm equivalent): 27 - 83mm  
Focal Length (actual): 18 - 55mm  
Zoom Ratio: 3.06x  
Aperture Range: f/3.5 - f/22 (wide) / f/5.6 - f/38 (tele)  
Integrated ND Filter: No No
Normal Focus Range: 25 cm to Infinity
9.8 in to Infinity
 
Macro Focus Range:    
Filter Thread: 52.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No
Digital Zoom Values: n/a  
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Phase Detect:: SAFOX IXi+, 11 point (9 cross type focus point in the center), with light wavelength sensor and diffraction lens; Live View: Contrast detection AF (face detection, tracking, select, spot) Phase Detection AF: Dual Pixel CMOS AF II; 1053 AF zones; Face+Tracking AF (with face/eye/head/body detection, animal detection, vehicle detection), 1-point AF ([AF frame size] can be set to [Small]), Expand AF Area (Above, below, left and right/Around); Zone AF Large Zone AF (Vertical/Horizontal)
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD EVF / LCD
Viewfinder Type: SLR type; eye-level pentaprism, 100% coverage, 0.92x mag., -2.5 to +1.5 diopter, 21.7mm eyepoint (from view window), Natural-Bright-Matte III focusing screen (interchangeable) EVF; 0.5-inch OLED, 5.76 million dots, 120fps refresh rate, 100% coverage, 0.76x magnification, 23mm eyepoint, -4 to +2 diopter, eye sensor
Focus Peaking: Yes Yes
EVF Resolution: n/a 5,760,000 dots (1,920,000 pixels)
Viewfinder Magnification (35mm equivalent): 0.61x 0.76x
Viewfinder Magnification (nominal/claimed): 0.92x  
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.2
Rear Display Resolution: 921,600 dots (307,200 px) 4,150,000 dots
Touchscreen: No Yes
Articulating Screen: No Yes
Tilt Swivel Screen: No Yes
Selfie Screen: No Yes
Max Playback Zoom: 16.0x 10.0x
Top Deck Display: No Yes
Exposure
Maximum ISO (native): 51200 102400
Minimum ISO (native): 100 100
ISO Settings: Auto, 100-51200 (1, 1/2 or 1/3 EV steps) Auto, 100-102400 in 1/3 or 1 EV steps, expandable to 50 (L), 204800 (H1)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Fluorescent (D, N, W, L), Tungsten, Flash, CTE, 3 Manual and 3 Kelvin temperature presets Auto (Ambience priority/White priority), Daylight, Shade, Cloudy, Tungsten Light, White Fluorescent Light, Flash, Custom, Color Temperature
Shutter Speed Range: 1/6000 - 30 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: TTL open-aperture: 77-segment, Center-weighted, Spot Real-time metering with image sensor; 384 [24x16] zone Evaluative (AF point-linked), Center-weighted, Partial (center 6.1% of frame), Spot (center 3.1% of frame; AF point-linked spot metering not provided.)
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 (Portrait, Landscape, Macro, Moving Object, Night Scene Portrait, Sunset, Blue Sky, Forest, Night Scene, Night Scene HDR*, Night Snap, Food, Pet, Kids, Surf & Snow, Backlight Silhouette, Candlelight, Stage Lighting, Museum, *JPEG only); Extract Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Color; Dynamic range adjustment (Highlight, Shadow); HDR: Auto, HDR 1, HDR 2, HDR 3 Custom shooting mode C1, C2, C3; Multiple-exposure; HDR
Self Timer: 2 or 12 seconds 2, 10 seconds
Time Lapse (intervalometer): Yes  
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: P-TTL: On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync n/a
Flash Guide Number (ISO 100): 12.0 m / 39.4 ft. n/a
Flash Range Description: Depends on lens n/a
Max Flash Sync: 1/180 1/250s
Flash Exposure Compensation: -2 to +1 EV in 0.5EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe Hot Shoe
Built-In Wireless Flash Control: Full TTL exposure No
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC / CFexpress
UHS Support:   UHS-II
Other Memory:   CFexpress
Dual Card Slots: No Yes
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (.DNG), RAW+JPEG RAW (14 bit); C-RAW; RAW+JPEG; RAW+HEIF; C-RAW+HEIF
Movie File Format: MOV MPEG-4 AVC (H.264) with monaural audio Video: RAW (CRM); H.265/HEVC; MPEG4 AVC/H.264 Variable (averaged) bit rate; Audio: ALL-I/IPB: Linear PCM/AAC
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 3.0 Super Speed,Ethernet,Bluetooth,WiFi
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional Wired or IR Via Wi-Fi or Bluetooth or optional wired
Connections (extended): Wired remote port Micro HDMI (Type D), USB-C SuperSpeed USB (USB 3.1 Gen 2), 3.5mm stereo microphone and headphone jacks, remote jack, RJ-45 Ethernet
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): 6.0 30.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 30 150
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):   760 shots
Battery Life, Still (CIPA Rating OVF/EVF): 710 shots (Lithium AA) 440 shots
Battery Life, Video:    
Battery Form Factor: 4 x AA or proprietary D--LI109 Lithion-ion Proprietary LP-E19
Usable Battery Types: AA (Alkaline, NiMH, Lithium) or optional D-LI109 Lithium-ion rechargeable LP-E4N compatible
Batteries Included: 4 x AA Lithium disposables 1 x Proprietary LP-E19 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): No Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: Yes
Software
Included Software: Software CDROM (SILKYPIX Developer Studio for PENTAX included)  
OS Compatibility:    
Miscellaneous
Notes & Features: Entry-level model: Similar to K-50 in IQ and performance, but not weather sealed, comes with 4 Energizer lithium AAs, and only available in black.