- 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 | ||
|---|---|---|
| Prices: | Compare Prices | Compare Prices |
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: |
Canon T7i
T7i vs T8i |
Pentax K-3 II
K-3 II vs K-3 III |
| Successor: | ||
| General | ||
| Model Number: | T8i | K-3 III |
| Alternate Model Number(s): | 850D, Kiss X10i | K-3 Mark III |
| Camera Format: | SLR | Pro SLR |
| Currently Manufactured: | Yes | Yes |
| Retail Price: | $749.99 | $1999.95 |
| Street Price: | $749.00 | $1,846.95 |
| Date Available: | TBD | 2021-04-06 |
| Tripod Mount: | Yes | Yes |
| Weight: |
18.2 oz
(515 g)
includes batteries |
28.9 oz
(820 g)
includes batteries |
| Size: |
5.2 x
4.0 x
3.0 in. (131 x 103 x 76 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: | Canon | |
| Effective Megapixels: | 24.1 | 25.7 |
| Sensor Format: | APS-C | APS-C |
| Sensor size: | 332.27mm2 (22.30mm x 14.90mm) | 361.15mm2 (23.30mm x 15.50mm) |
| Approximate Pixel Pitch: | 3.72 microns | 3.76 microns |
| Focal Length Multiplier: | 1.6x | 1.5x |
| Aspect Ratio: | 3:2 | 3:2 |
| Color Filter Type: | RGBG | RGBG |
| Anti Aliasing Filter: | Fixed | Optional |
| Self-Cleaning: | Yes | Yes |
| Sensor shift image stabilization: | No | Yes |
| On-Sensor Phase Detect: | Yes | No |
| DxO Sensor Score: | ||
| DxO Color Depth Score (bits): | ||
| DxO Dynamic Range Score (evs): | ||
| DxO Maximum Effective ISO Score (iso): | ||
| Image Capture | ||
| Image Resolution: |
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), 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), 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), 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) |
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: | C-RAW, JPEG, .CR3 RAW (14-bit) | JPEG (EXIF 2.30), 14-bit RAW (.PEF, .DNG), RAW+JPEG |
| Continuous-mode frames/second: | n/a | 12.0 |
| Video Capture | ||
| Can take movies: | Yes | Yes |
| Movie Resolution: |
3840x2160 (24p)
1920x1080 (60p/50p/30p/25p/24p) 1280x720 (60p/50p/30p/25p) |
3840x2160 (30p/24p)
1920x1080 (60p/50p/30p/25p/24p) |
| Movie File Format: | MPEG-4 AVC/H.264 video with AAC stereo audio in MP4 container | MPEG-4 AVC/H.264 (MOV) |
| Composite Video Out: | Yes | No |
| NTSC/PAL Switchable Video: | Yes | n/a |
| Video Usable as Viewfinder: | n/a | |
| HD Video Out: | Yes | Yes |
| HD Video Connection: | HDMI | HDMI |
| Lens & Optics | ||
| Lens Mount: | Canon EF/EF-S | Pentax K (KA/KAF/KAF2/3/4) |
| Lens: | Canon EF-S 18-55mm f/4-5.6 IS STM | n/a |
| Focal Length (35mm equivalent): | 29 - 88mm | |
| Focal Length (actual): | 18 - 55mm | |
| Zoom Ratio: | 3.06x | |
| Aperture Range: | f/4 - 22 (wide) / f/5.6 - 38 (tele) | |
| Integrated ND Filter: | No | No |
| Normal Focus Range: |
25 cm to Infinity 9.8 in to Infinity |
|
| Macro Focus Range: | ||
| Filter Thread: | 58.0mm | n/a |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | Yes | No |
| Digital Zoom: | ||
| Digital Zoom Values: | ||
| Auto Focus | ||
| Auto Focus: | Yes | Yes |
| Auto Focus Type: | OVF: AF-dedicated CMOS sensor, 45-points, up to 45 cross-type (f/5.6), 1 dual-cross (f/2.8 and f/5.6), 27 support f/8 (9 cross-type); Live View: Dual-Pixel CMOS AF | 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; fixed eye-level pentamirror, ~95% coverage, ~0.82x mag., 19mm eyepoint, -3 to +1 diopter | 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): | 1.05x | |
| Viewfinder Magnification (nominal/claimed): | ||
| Display | ||
| Eye-level Viewfinder: | Yes | Yes |
| Rear Display: | Yes | Yes |
| Rear Display Size (inches): | 3.0 | 3.2 |
| Rear Display Resolution: | 1,040,000 dots (345,600 px) | 1,620,000 dots (540,000 px) |
| Touchscreen: | Yes | Yes |
| Articulating Screen: | Yes | No |
| Tilt Swivel Screen: | Yes | No |
| Selfie Screen: | Yes | No |
| Max Playback Zoom: | 10.0x | 16.0x |
| Top Deck Display: | No | Yes |
| Exposure | ||
| Maximum ISO (native): | 25600 | 1600000 |
| Minimum ISO (native): | 100 | 100 |
| ISO Settings: | Auto, 100 - 25600 in 1/3EV steps, Expandable to 51200 | Auto, 100-1600000 (1, 1/2 or 1/3 EV steps) |
| Auto ISO Mode: | Yes | Yes |
| White Balance Settings: | Auto, Daylight, Shade, Cloudy, Tungsten, White Fluorescent, Flash, Custom WB, Color Temperature K (Manually adjustable between 2000 - 10000K) | 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: | +/- 5.0EV in 0.3EV steps | +/- 5.0EV in 0.3EV steps |
| Metering Modes: | 220,000-pixel RGB+IR metering sensor; 216-zone (18 x 12) metering optical viewfinder; Evaluative (linked to all AF points), Center-weighted, Partial (center, approx. 6.5% of viewfinder), Spot (center, approx. 2.0% of viewfinder) | 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 Intelligent Auto, Flash Off, Creative Auto, Portrait, Landscape, Close-up, Sports, Special Scene (Group Photo, Kids, Food, Candlelight, Night Portrait, Handheld Night Scene, HDR Backlight Control), Creative Filters (Grainy B/W, Soft Focus, Fish-eye, Water Painting, Toy Camera, Miniature, HDR Art (Standard/Vivid/Bold/Embossed) | 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: | 10, 2, Remote, 10s Continuous (2-10) seconds | 2 or 12 seconds |
| Time Lapse (intervalometer): | Yes | |
| High Resolution Composite: | No | 24.0 megapixels |
| Flash | ||
| Built-in Flash: | Yes | No |
| Flash Modes: | E-TTL II Auto, Manual, Red-Eye Reduction | 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: | Guide Number is 12m/39.4 ft at ISO 100; Range is lens aperture dependent | n/a |
| Max Flash Sync: | 1/200 | 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: | SD / SDHC / SDXC | SD / SDHC / SDXC |
| UHS Support: | UHS-I | UHS-II |
| Other Memory: | ||
| Dual Card Slots: | No | Yes |
| RAW Capture Support: | Yes | Yes |
| Uncompressed Format: | .CR3 RAW (14-bit) | 14-bit RAW (.PEF, .DNG), RAW+JPEG |
| Movie File Format: | MPEG-4 AVC/H.264 video with AAC stereo audio in MP4 container | 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: | Yes | Yes |
| Built-In GPS: | No | No |
| Microphone Jack: | Yes | Yes |
| Headphone Jack: | No | Yes |
| External Connections: | USB 2.0 High Speed,Bluetooth,WiFi | USB 3.0 Super Speed,Bluetooth,WiFi |
| PictBridge Compliant: | Yes | No |
| DPOF Compliant: | Yes | Yes |
| Remote Control: | Yes | Yes |
| Remote Control Type: | Optional wired, IR wireless, Bluetooth or Wi-Fi | Optional Wired or IR |
| Connections (extended): | Mini (Type-C) HDMI, USB Micro-B (USB 2.0), External 3.5mm Stereo Mic Jack | 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): | 12.0 | |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 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): | ||
| 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 LP-E17 | Proprietary D-LI90 |
| Usable Battery Types: | Lithium-ion rechargeble | Lithium-ion rechargeable |
| Batteries Included: | 1 x Proprietary LP-E17 Lithium-ion rechargeble | 1 x Proprietary D-LI90 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: | Software CD-ROM includes Digital Camera Utility 5 | |
| OS Compatibility: | ||
| Miscellaneous | ||
| Notes & Features: | ||
