- APS-C 361.2mm2
- 25.7 megapixels
- ISO 100 - 1,600,000
- Go in depth with our full Pentax K-3 III Review.
- See real-world photos taken with the K-3 III.
Links | ||
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Prices: | Compare Prices | |
Manufacturer URL: | Manufacturer website | Manufacturer website |
Predecessor: |
Pentax K-3 II
K-3 II vs K-3 III |
|
Successor: | ||
General | ||
Model Number: | DSLR-A550 | K-3 III |
Alternate Model Number(s): | K-3 Mark III | |
Camera Format: | SLR | Pro SLR |
Currently Manufactured: | No | Yes |
Retail Price: | $1049.99 | $1999.95 |
Street Price: | $859.40 | $1,846.95 |
Date Available: | 2009-10-08 | 2021-04-06 |
Tripod Mount: | Yes | Yes |
Weight: |
32.2 oz
(912 g)
includes batteries, kit lens |
28.9 oz
(820 g)
includes batteries |
Size: |
5.4 x
4.1 x
3.3 in. (137 x 104 x 84 mm) |
5.3 x
4.1 x
2.9 in. (135 x 104 x 74 mm) |
Waterproof: | No | No |
Waterproof Depth: | n/a | n/a |
Image Sensor | ||
Sensor Type: | CMOS | CMOS |
Sensor Manufacturer: | Sony | |
Effective Megapixels: | 14.2 | 25.7 |
Sensor Format: | APS-C | APS-C |
Sensor size: | 369.72mm2 (23.7mm x 15.6mm) | 361.15mm2 (23.30mm x 15.50mm) |
Approximate Pixel Pitch: | 5.16 microns | 3.76 microns |
Focal Length Multiplier: | 1.5x | 1.5x |
Aspect Ratio: | 3:2, 16:9 | 3:2 |
Color Filter Type: | RGBG | RGBG |
Anti Aliasing Filter: | Fixed | Optional |
Self-Cleaning: | Yes | Yes |
Sensor shift image stabilization: | Yes | Yes |
On-Sensor Phase Detect: | No | No |
DxO Sensor Score: | 66 | |
DxO Color Depth Score (bits): | 21.9 | |
DxO Dynamic Range Score (evs): | 11.8 | |
DxO Maximum Effective ISO Score (iso): | 807 | |
Image Capture | ||
Image Resolution: |
4592 x 3056
(14.0 MP,
3:2), 4592 x 2576 (11.8 MP, 16:9), 3344 x 2224 (7.4 MP, 3:2), 3344 x 1872 (6.3 MP, Other), 2288 x 1520 (3.5 MP, Other), 2288 x 1280 (2.9 MP, Other) |
6192 x 4128
(25.6 MP,
3:2), 4752 x 3168 (15.1 MP, 3:2), 3648 x 2432 (8.9 MP, 3:2), 1920 x 1280 (2.5 MP, 3:2) |
Image File Format: | JPEG, RAW | JPEG (EXIF 2.30), 14-bit RAW (.PEF, .DNG), RAW+JPEG |
Continuous-mode frames/second: | 6.7 | 12.0 |
Video Capture | ||
Can take movies: | No | Yes |
Movie Resolution: |
3840x2160 (30p/24p)
1920x1080 (60p/50p/30p/25p/24p) |
|
Movie File Format: | MPEG-4 AVC/H.264 (MOV) | |
Composite Video Out: | No | No |
NTSC/PAL Switchable Video: | n/a | n/a |
Video Usable as Viewfinder: | n/a | n/a |
HD Video Out: | Yes | Yes |
HD Video Connection: | HDMI | HDMI |
Lens & Optics | ||
Lens Mount: | Sony Alpha (Minolta A) | Pentax K (KA/KAF/KAF2/3/4) |
Lens: | Sony 18-55mm f/3.5-5.6 DT SAM | n/a |
Focal Length (35mm equivalent): | 27 - 83mm | |
Focal Length (actual): | 18 - 55mm | |
Zoom Ratio: | 3.00x | |
Aperture Range: | f/3.5 - 22 (W), f/5.6 - ?? (T) | |
Integrated ND Filter: | No | No |
Normal Focus Range: | ||
Macro Focus Range: | ||
Filter Thread: | 55.0mm | 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: | 9-point TTL phase detection (one cross-type sensor) with eye-start AF; Wide, Spot, Local modes | SAFOX 13 TTL phase-matching - 101 point (25 cross type focus points in the center) |
Auto Focus Assist Light? | Yes | Yes |
Manual Focus: | Yes | Yes |
Viewfinder | ||
Viewfinder: | Optical / LCD | Optical / LCD |
Viewfinder Type: | SLR type; eye-level pentamirror, 95% coverage, 0.80x mag., 19mm eyepoint, -2.5 to +1.0 diopter | SLR type; eye-level pentaprism, ~100% coverage, 1.05x mag., 20.5mm eyepoint, -4.0 to +1.0 diopter |
Focus Peaking: | No | Yes |
EVF Resolution: | n/a | n/a |
Viewfinder Magnification (35mm equivalent): | 0.53x | 1.05x |
Viewfinder Magnification (nominal/claimed): | 0.80x | |
Display | ||
Eye-level Viewfinder: | Yes | Yes |
Rear Display: | Yes | Yes |
Rear Display Size (inches): | 3.0 | 3.2 |
Rear Display Resolution: | 921,600 dots | 1,620,000 dots (540,000 px) |
Touchscreen: | No | Yes |
Articulating Screen: | Yes | No |
Tilt Swivel Screen: | No | |
Selfie Screen: | No | |
Max Playback Zoom: | 14.0x | 16.0x |
Top Deck Display: | No | Yes |
Exposure | ||
Maximum ISO (native): | 12800 | 1600000 |
Minimum ISO (native): | 200 | 100 |
ISO Settings: | Auto (200-1600), 200, 400, 800, 1600, 3200, 6400, 12800 | Auto, 100-1600000 (1, 1/2 or 1/3 EV steps) |
Auto ISO Mode: | Yes | Yes |
White Balance Settings: | Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent, Flash, Custom | Auto, Multi Auto WB, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N:Daylight White, W:Cool White, L:Warm White), Tungsten Light, Flash, CTE, Manual (up to 3 settings), Color Temperature (up to 3 settings), Copying the white balance setting of a captured image |
Shutter Speed Range: | 1/4000 - 30 sec | 1/8000 - 30 sec |
Bulb Mode: | Yes | Yes |
Exposure Compensation: | +/- 2.0EV in 0.3EV steps | +/- 5.0EV in 0.3EV steps |
Metering Modes: | 40-segment Multi Segment, Center-weighted, Spot; (1200 zone evaluative metering in Live View) | TTL open-aperture: Multi-segment with 307K-pixel RGBIr sensor, Center-weighted, Spot, Highlight-weighted |
Program Auto Exposure: | Yes | Yes |
Aperture Priority: | Yes | Yes |
Shutter Priority: | Yes | Yes |
Full Manual Exposure: | Yes | Yes |
Creative Exposure Modes: | Portrait, Landscape, Macro, Sports, Sunset, Night Portrait/Night View | Scene Analyze Auto, Program, Sensitivity Priority, Shutter Priority, Aperture Priority, Shutter & Aperture Priority; Digital filters (capture): Extract Color, Replace Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Unicolor Bold, Tone Expansion, Bold Monochrome, Grainy Monochrome; HDR: Auto, HDR1, HDR2, HDR3, Advanced HDR, Exposure bracket value adjustable, Automatic composition correction function; Pixel Shift Resolution (On/Off) |
Self Timer: | 2 or 10 seconds | 2 or 12 seconds |
Time Lapse (intervalometer): | ||
High Resolution Composite: | No | 24.0 megapixels |
Flash | ||
Built-in Flash: | Yes | No |
Flash Modes: | Auto, Fill-flash, Rear sync, Wireless, High-Speed sync, Slow sync, Red-eye reduction: On/Off | P-TTL; Modes available depends on external flash mounted |
Flash Guide Number (ISO 100): | 12.0 m / 39.4 ft. | n/a |
Flash Range Description: | Lens dependent | n/a |
Max Flash Sync: | 1/160 | 1/200 |
Flash Exposure Compensation: | +/- 2.0 EV in 0.3EV steps | -2 to +1 EV in 0.5EV steps |
External Flash Connection: | Hot shoe | Hot Shoe, PC Sync socket |
Built-In Wireless Flash Control: | Full TTL exposure | No |
Image Storage | ||
Usable Memory Types: | MS Duo / MS PRO Duo / SD / SDHC | SD / SDHC / SDXC |
UHS Support: | UHS-II | |
Other Memory: | ||
Dual Card Slots: | No | Yes |
RAW Capture Support: | Yes | Yes |
Uncompressed Format: | RAW | 14-bit RAW (.PEF, .DNG), RAW+JPEG |
Movie File Format: | MPEG-4 AVC/H.264 (MOV) | |
Included Memory: | No memory included | |
Included Memory Type: | ||
Connectivity | ||
Built-In Wi-Fi: | No | Yes |
NFC: | 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,Bluetooth,WiFi |
PictBridge Compliant: | Yes | No |
DPOF Compliant: | Yes | Yes |
Remote Control: | Yes | Yes |
Remote Control Type: | Optional Wireless or Wired | Optional Wired or IR |
Connections (extended): | DC input, mini-HDMI, Wired Remote | USB 3.2 Gen1 (Type-C), Micro B,Micro (Type D) HMDI, External cable switch terminal (2.5mm), X-sync socket, 3.5mm stereo mic input, 3.5mm headphone jack |
Performance Timing | ||
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): | 0.41 | |
Cycle time for RAW shooting in single shot mode (seconds per frame): | 0.41 | |
Buffer size for RAW shooting in single shot mode (frames): | 19 | |
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): | 6.7 | 12.0 |
Buffer size for JPEG shooting in burst mode (frames, max resolution): | 15 | 30 |
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): | 0.18 seconds | |
Shutter lag (full AF, tele): | ||
Shutter lag (full AF, live view - DSLR): | ||
Shutter lag (prefocused, live view - DSLR): | ||
Shutter Lag (manual focus): | 0.178 seconds | |
Shutter lag (full AF, with flash): | 0.22 seconds | |
Shutter Lag (prefocused): | 0.074 seconds | |
Shutter Lag (notes): | Quick AF Live View shutter lag: 0.188s | |
Startup Time: | 0.5 seconds | |
Play -> Record Time: | 0.4 seconds | |
Flash cycle time, full power: | 3.5 seconds | |
Power | ||
Battery Life, Stills (CIPA Rating Monitor/Live View): | ||
Battery Life, Still (CIPA Rating OVF/EVF): | 950 shots | 800 shots |
Battery Life, Video: | ||
Battery Form Factor: | Proprietary NP-FM500H | Proprietary D-LI90 |
Usable Battery Types: | Lithium-ion rechargeable | Lithium-ion rechargeable |
Batteries Included: | 1 x Proprietary NP-FM500H | 1 x Proprietary D-LI90 Lithium-ion rechargeable |
Battery Charger Included (dedicated charger or AC/USB adapter): | Yes | Yes |
Dedicated Battery Charger Included: | Yes | |
Internal Charging Supported: | No | |
Software | ||
Included Software: | Software/USB Driver CD-ROM | Software CD-ROM includes Digital Camera Utility 5 |
OS Compatibility: | Windows 2000/XP/Vista, Mac OS X (v. 10.13+) | |
Miscellaneous | ||
Notes & Features: | Exmore CMOS Sensor, Variable-angle LCD, SteadyShot In-body Sensor-shift Image Stabilization, Live View, Auto HDR, D-Range Optimizer (Auto, Level 1-5), HDMI Output, 7 fps (AF/AE Locked). |