- 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: |
Leica S2
S2 vs S3 |
Pentax K-3 II
K-3 II vs K-3 III |
Successor: | ||
General | ||
Model Number: | S3 | K-3 III |
Alternate Model Number(s): | K-3 Mark III | |
Camera Format: | Pro SLR | Pro SLR |
Currently Manufactured: | Yes | Yes |
Retail Price: | $19.00 | $1999.95 |
Street Price: | $1,846.95 | |
Date Available: | 2020-03-06 | 2021-04-06 |
Tripod Mount: | Yes | Yes |
Weight: |
44.4 oz
(1,260 g)
includes batteries |
28.9 oz
(820 g)
includes batteries |
Size: |
6.3 x
4.7 x
3.1 in. (160 x 120 x 80 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: | ||
Effective Megapixels: | 64.0 | 25.7 |
Sensor Format: | Medium format | APS-C |
Sensor size: | 1350mm2 (45.00mm x 30.00mm) | 361.15mm2 (23.30mm x 15.50mm) |
Approximate Pixel Pitch: | 4.59 microns | 3.76 microns |
Focal Length Multiplier: | 0.8x | 1.5x |
Aspect Ratio: | 3:2 | 3:2 |
Color Filter Type: | RGBG | RGBG |
Anti Aliasing Filter: | None | Optional |
Self-Cleaning: | No | Yes |
Sensor shift image stabilization: | No | Yes |
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: | 9800 x 6530 (64.0 MP, 3:2) |
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 (Adobe .DNG), RAW+JPEG Fine/Basic | JPEG (EXIF 2.30), 14-bit RAW (.PEF, .DNG), RAW+JPEG |
Continuous-mode frames/second: | 3.0 | 12.0 |
Video Capture | ||
Can take movies: | Yes | Yes |
Movie Resolution: |
4096x2160 (24p)
1920x1080 (30p/25p/24p) |
3840x2160 (30p/24p)
1920x1080 (60p/50p/30p/25p/24p) |
Movie File Format: | MOV (motion JPEG) | 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: | Leica S bayonet | Pentax K (KA/KAF/KAF2/3/4) |
Lens: | n/a | n/a |
Focal Length (35mm equivalent): | ||
Focal Length (actual): | ||
Zoom Ratio: | ||
Aperture Range: | ||
Integrated ND Filter: | No | No |
Normal Focus Range: | ||
Macro Focus Range: | ||
Filter Thread: | n/a | 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 TTL with central cross-hair sensor: Choice of AFs (single) = Sharpness priority, AFc (continuous) = Shutter release priority, MF (manual), Manual override of automatic setting possible at any time; Contrast detect AF during live view at any point in image | SAFOX 13 TTL phase-matching - 101 point (25 cross type focus points in the center) |
Auto Focus Assist Light? | No | Yes |
Manual Focus: | Yes | Yes |
Viewfinder | ||
Viewfinder: | Optical / LCD | Optical / LCD |
Viewfinder Type: | High eyepoint pentaprism viewfinder, 98% coverage, 0.87x magnification, -3 to +1 diopter correction, interchangeable focusing screen, ground glass screen with microprism ring and split image (standard) | SLR type; eye-level pentaprism, ~100% coverage, 1.05x mag., 20.5mm eyepoint, -4.0 to +1.0 diopter |
Focus Peaking: | Yes | Yes |
EVF Resolution: | n/a | n/a |
Viewfinder Magnification (35mm equivalent): | 1.09x | 1.05x |
Viewfinder Magnification (nominal/claimed): | 0.87x | |
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: | No | No |
Tilt Swivel Screen: | No | No |
Selfie Screen: | No | No |
Max Playback Zoom: | 16.0x | |
Top Deck Display: | Yes | Yes |
Exposure | ||
Maximum ISO (native): | 50000 | 1600000 |
Minimum ISO (native): | 100 | 100 |
ISO Settings: | Auto, 100, 200, 400, 800, 1600, 3200, 6400, 12500, 25000, 50000 | Auto, 100-1600000 (1, 1/2 or 1/3 EV steps) |
Auto ISO Mode: | Yes | Yes |
White Balance Settings: | Automatic, Daylight, Cloudy, Shade, Incandescent, HMI, Fluorescent, Halogen warm, Halogen cool, Flash, Tungsten, Grey card (determined from image), Grey card Live View, Color temperature (Kelvin) | 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 - 125 sec | 1/8000 - 30 sec |
Bulb Mode: | Yes | Yes |
Exposure Compensation: | +/- 3.0EV in 0.5EV steps | +/- 5.0EV in 0.3EV steps |
Metering Modes: | Multi-segment (5 fields), Center-weighted, Spot (3.5% of image frame) | 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: | 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, 12 seconds | 2 or 12 seconds |
Time Lapse (intervalometer): | ||
High Resolution Composite: | No | 24.0 megapixels |
Flash | ||
Built-in Flash: | No | No |
Flash Modes: | TTL pre-flash metering, with automatic transmission and consideration of sensitivity and set/controlled lens aperture, all exposure modes available, automatic adaptation of flash light component to available light; First or second curtain sync | P-TTL; Modes available depends on external flash mounted |
Flash Guide Number (ISO 100): | n/a | n/a |
Flash Range Description: | n/a | n/a |
Max Flash Sync: | 1/125 or 1/1000 depending on lens (shutter type) | 1/200 |
Flash Exposure Compensation: | +/- 3.0 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: | No | No |
Image Storage | ||
Usable Memory Types: | CF1 / SD / SDHC / SDXC | SD / SDHC / SDXC |
UHS Support: | No UHS support | UHS-II |
Other Memory: | Dual SD + CF (UDMA7) | |
Dual Card Slots: | Yes | Yes |
RAW Capture Support: | Yes | Yes |
Uncompressed Format: | RAW (Adobe .DNG), RAW+JPEG Fine/Basic | 14-bit RAW (.PEF, .DNG), RAW+JPEG |
Movie File Format: | MOV (motion JPEG) | MPEG-4 AVC/H.264 (MOV) |
Included Memory: | No memory included | No memory included |
Included Memory Type: | ||
Connectivity | ||
Built-In Wi-Fi: | Yes | Yes |
NFC: | No | No |
Bluetooth: | No | Yes |
Built-In GPS: | Yes | No |
Microphone Jack: | Yes | Yes |
Headphone Jack: | Yes | Yes |
External Connections: | USB 3.0 Super Speed,WiFi | USB 3.0 Super Speed,Bluetooth,WiFi |
PictBridge Compliant: | No | No |
DPOF Compliant: | No | Yes |
Remote Control: | Yes | Yes |
Remote Control Type: | Cabled or Wi-Fi | Optional Wired or IR |
Connections (extended): | Mini HDMI Type C, X-sync, 7-pin LEMO socket for remote accessories, contact strip for multi-function hand grip, audio in (3.5 mm jack) and audio out (3.5 mm jack) with audio adapter S (supplied with the camera) | 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): | ||
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): | 3.0 | 12.0 |
Buffer size for JPEG shooting in burst mode (frames, max resolution): | Unlimited | 30 |
RAW shooting speed in burst mode (fps): | 3.0 | |
Buffer size for RAW shooting in burst mode (frames): | 6 | |
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): | ||
Battery Life, Still (CIPA Rating OVF/EVF): | 800 shots | |
Battery Life, Video: | ||
Battery Form Factor: | Proprietary 7.4V, 2850mAh | Proprietary D-LI90 |
Usable Battery Types: | Lithium-ion rechargeable | Lithium-ion rechargeable |
Batteries Included: | 1 x 7.4V, 2850mAh Lithium-ion rechargeable | 1 x Proprietary D-LI90 Lithium-ion rechargeable |
Battery Charger Included (dedicated charger or AC/USB adapter): | Yes | Yes |
Dedicated Battery Charger Included: | No | Yes |
Internal Charging Supported: | No | No |
Software | ||
Included Software: | Software CD-ROM includes Digital Camera Utility 5 | |
OS Compatibility: | ||
Miscellaneous | ||
Notes & Features: |