| Links | ||
|---|---|---|
| Prices: | Compare Prices | Compare Prices |
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: |
Pentax 645D
645D vs 645Z |
Canon T7i
T7i vs T8i |
| Successor: | ||
| General | ||
| Model Number: | 645Z | T8i |
| Alternate Model Number(s): | 850D, Kiss X10i | |
| Camera Format: | Pro SLR | SLR |
| Currently Manufactured: | Yes | Yes |
| Retail Price: | $8499.95 | $749.99 |
| Street Price: | $4,845.43 | $749.00 |
| Date Available: | 2014-06-15 | TBD |
| Tripod Mount: | Yes | Yes |
| Weight: |
54.9 oz
(1,555 g)
includes batteries |
18.2 oz
(515 g)
includes batteries |
| Size: |
6.1 x
4.6 x
4.8 in. (156 x 117 x 123 mm) |
5.2 x
4.0 x
3.0 in. (131 x 103 x 76 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CMOS | CMOS |
| Sensor Manufacturer: | Sony | Canon |
| Effective Megapixels: | 51.4 | 24.1 |
| Sensor Format: | Medium format | APS-C |
| Sensor size: | 1436.64mm2 (43.80mm x 32.80mm) | 332.27mm2 (22.30mm x 14.90mm) |
| Approximate Pixel Pitch: | 5.31 microns | 3.72 microns |
| Focal Length Multiplier: | 0.8x | 1.6x |
| Aspect Ratio: | 4:3 | 3:2 |
| Color Filter Type: | RGBG | RGBG |
| Anti Aliasing Filter: | None | Fixed |
| Self-Cleaning: | Yes | Yes |
| Sensor shift image stabilization: | No | No |
| On-Sensor Phase Detect: | No | Yes |
| DxO Sensor Score: | 101 | |
| DxO Color Depth Score (bits): | 26.0 | |
| DxO Dynamic Range Score (evs): | 14.7 | |
| DxO Maximum Effective ISO Score (iso): | 4,505 | |
| Image Capture | ||
| Image Resolution: |
8256 x 6192
(51.1 MP,
4:3), 6192 x 5184 (32.1 MP, Other), 5376 x 4032 (21.7 MP, 4:3), 1920 x 1440 (2.8 MP, 4:3) |
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) |
| Image File Format: | JPEG, 14-bit PEF / DNG RAW, TIFF | C-RAW, JPEG, .CR3 RAW (14-bit) |
| Continuous-mode frames/second: | 3.1 | n/a |
| Video Capture | ||
| Can take movies: | Yes | Yes |
| Movie Resolution: |
1920x1080 (60i/50i/30p/25p/24p)
1280x720 (60p/50p/30p/25p/24p) |
3840x2160 (24p)
1920x1080 (60p/50p/30p/25p/24p) 1280x720 (60p/50p/30p/25p) |
| Movie File Format: | MOV (MPEG-4 AVC/H.264) with stereo sound; Motion JPEG (AVI) for Interval Movie Record | MPEG-4 AVC/H.264 video with AAC stereo audio in MP4 container |
| Composite Video Out: | No | Yes |
| NTSC/PAL Switchable Video: | n/a | Yes |
| Video Usable as Viewfinder: | n/a | |
| HD Video Out: | Yes | Yes |
| HD Video Connection: | HDMI | HDMI |
| Lens & Optics | ||
| Lens Mount: | Pentax 645 bayonet | Canon EF/EF-S |
| Lens: | n/a | Canon EF-S 18-55mm f/4-5.6 IS STM |
| 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: | n/a | 58.0mm |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | No | Yes |
| Digital Zoom: | ||
| Digital Zoom Values: | ||
| Auto Focus | ||
| Auto Focus: | Yes | Yes |
| Auto Focus Type: | 27-point SAFOX 11+ Phase Difference Detection (25 cross type focus points in the center): Spot, Select, Expanded Area AF (S, M, L), Zone Select, Auto (27 AF Points) | 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 |
| Auto Focus Assist Light? | No | Yes |
| Manual Focus: | Yes | Yes |
| Viewfinder | ||
| Viewfinder: | Optical / LCD | Optical / LCD |
| Viewfinder Type: | Trapezoid prism finder w/ interchangeable Natural-Bright-Matte focusing screen; Coverage: ~98%; Magnification: ~0.62x (55mmF2.8 at infinity), ~0.85x (75mmF2.8 at infinity); Diopter: -3.5 m to + 2.0 m-1; Eye Relief: ~21 mm (from view window), ~24.1 mm (from center of lens) | SLR type; fixed eye-level pentamirror, ~95% coverage, ~0.82x mag., 19mm eyepoint, -3 to +1 diopter |
| Focus Peaking: | Yes | Yes |
| EVF Resolution: | n/a | n/a |
| Viewfinder Magnification (35mm equivalent): | 0.78x | |
| Viewfinder Magnification (nominal/claimed): | 0.62x | |
| Display | ||
| Eye-level Viewfinder: | Yes | Yes |
| Rear Display: | Yes | Yes |
| Rear Display Size (inches): | 3.2 | 3.0 |
| Rear Display Resolution: | 1,036,800 dots (345,600 px) | 1,040,000 dots (345,600 px) |
| Touchscreen: | No | Yes |
| Articulating Screen: | Yes | Yes |
| Tilt Swivel Screen: | No | Yes |
| Selfie Screen: | No | Yes |
| Max Playback Zoom: | 16.0x | 10.0x |
| Top Deck Display: | Yes | No |
| Exposure | ||
| Maximum ISO (native): | 204800 | 25600 |
| Minimum ISO (native): | 100 | 100 |
| ISO Settings: | Auto, 100-204800 in 1, 1/2 or 1/3EV steps | Auto, 100 - 25600 in 1/3EV steps, Expandable to 51200 |
| Auto ISO Mode: | Yes | Yes |
| White Balance Settings: | Auto, Multi Auto, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N: Daylight White, W: Cool White, L: Warm White), Tungsten, Flash, CTE; Manual mode(s): Manual (up to 3 settings can be saved), Color Temperature (up to 3 settings can be saved), Copying the white balance settings of a captured image possible | Auto, Daylight, Shade, Cloudy, Tungsten, White Fluorescent, Flash, Custom WB, Color Temperature K (Manually adjustable between 2000 - 10000K) |
| Shutter Speed Range: | 1/4000 - 30 sec | 1/4000 - 30 sec |
| Bulb Mode: | Yes | Yes |
| Exposure Compensation: | +/- 5.0EV in 0.3EV steps | +/- 5.0EV in 0.3EV steps |
| Metering Modes: | 86K-pixel RBG sensor: Multi-segment metering, Center-weighted metering, Spot metering | 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) |
| Program Auto Exposure: | Yes | Yes |
| Aperture Priority: | Yes | Yes |
| Shutter Priority: | Yes | Yes |
| Full Manual Exposure: | Yes | Yes |
| Creative Exposure Modes: | Sensitivity Priority, Shutter & Aperture Priority; HDR Capture: Auto, Type1, Type2, Type3, Exposure Bracket Value adjustable, Auto Align (automatic composition correction function) available; Custom Image: Bright, Natural, Portrait, Landscape, Vibrant, Radiant, Muted, Bleach Bypass, Reversal Film, Monochrome, Cross Processing (Random, Preset 1-3, Favorite 1-3) | 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) |
| Self Timer: | 2 or 12 seconds | 10, 2, Remote, 10s Continuous (2-10) seconds |
| Time Lapse (intervalometer): | Yes | Yes |
| High Resolution Composite: | No | No |
| Flash | ||
| Built-in Flash: | No | Yes |
| Flash Modes: | P-TTL; high-speed sync, wireless sync supported with compatible flash unit | E-TTL II Auto, Manual, Red-Eye Reduction |
| Flash Guide Number (ISO 100): | n/a | 12.0 m / 39.4 ft. |
| Flash Range Description: | n/a | Guide Number is 12m/39.4 ft at ISO 100; Range is lens aperture dependent |
| Max Flash Sync: | 1/125 | 1/200 |
| Flash Exposure Compensation: | -2 to +1 EV | +/- 2.0 EV in 0.3EV steps |
| External Flash Connection: | Hot shoe, X-sync socket | Hot Shoe |
| Built-In Wireless Flash Control: | Full TTL exposure | |
| Image Storage | ||
| Usable Memory Types: | SD / SDHC / SDXC | SD / SDHC / SDXC |
| UHS Support: | UHS-I | UHS-I |
| Other Memory: | ||
| Dual Card Slots: | Yes | No |
| RAW Capture Support: | Yes | Yes |
| Uncompressed Format: | 14-bit PEF / DNG RAW, TIFF | .CR3 RAW (14-bit) |
| Movie File Format: | MOV (MPEG-4 AVC/H.264) with stereo sound; Motion JPEG (AVI) for Interval Movie Record | MPEG-4 AVC/H.264 video with AAC stereo audio in MP4 container |
| 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: | Yes | Yes |
| Headphone Jack: | No | No |
| External Connections: | USB 3.0 Super Speed | USB 2.0 High Speed,Bluetooth,WiFi |
| PictBridge Compliant: | No | Yes |
| DPOF Compliant: | No | Yes |
| Remote Control: | Yes | Yes |
| Remote Control Type: | Optional wired or wireless | Optional wired, IR wireless, Bluetooth or Wi-Fi |
| Connections (extended): | Micro (Type-D) HDMI, DC input, Stereo microphone jack, wired remote socket | Mini (Type-C) HDMI, USB Micro-B (USB 2.0), External 3.5mm Stereo Mic Jack |
| Performance Timing | ||
| Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): | 0.35 | |
| Cycle time for RAW shooting in single shot mode (seconds per frame): | 0.33 | |
| Buffer size for RAW shooting in single shot mode (frames): | 10 | |
| Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): | 0.33 | |
| Camera penalizes early shutter press? | Yes | |
| JPEG shooting speed in burst mode (fps, max resolution): | 3.1 | |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 12 | |
| RAW shooting speed in burst mode (fps): | 3.1 | |
| Buffer size for RAW shooting in burst mode (frames): | 10 | |
| RAW+JPEG shooting speed in burst mode (fps): | 3.1 | |
| Buffer Size for RAW+JPEG shooting in burst mode (frames): | 10 | |
| Shutter lag (full AF, wide/mid): | 0.16 seconds | |
| Shutter lag (full AF, tele): | ||
| Shutter lag (full AF, live view - DSLR): | 1.17 seconds | |
| Shutter lag (prefocused, live view - DSLR): | 0.385 seconds | |
| Shutter Lag (manual focus): | 0.117 seconds | |
| Shutter lag (full AF, with flash): | ||
| Shutter Lag (prefocused): | 0.112 seconds | |
| Shutter Lag (notes): | OVF: Full AF lag, wide-area mode = 0.170s Live View: Full AF lag, Spot AF mode = 1.174s Prefocused = 0.385s | |
| Startup Time: | 1.5 seconds | |
| Play -> Record Time: | 0.7 seconds | |
| Flash cycle time, full power: | ||
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | ||
| Battery Life, Still (CIPA Rating OVF/EVF): | 650 shots | |
| Battery Life, Video: | ||
| Battery Form Factor: | Proprietary D-LI90 | Proprietary LP-E17 |
| Usable Battery Types: | Lithium-ion rechargeable | Lithium-ion rechargeble |
| Batteries Included: | 1 x Proprietary D-LI90 Lithium-ion rechargeable | 1 x Proprietary LP-E17 Lithium-ion rechargeble |
| 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: | ||
| OS Compatibility: | ||
| Miscellaneous | ||
| Notes & Features: | New 51.4MP AA-filterless CMOS sensor, PRIME III processor, 27-point SAFOX 11 AF, 86K RGB metering, Full HD video up to 60i, tilting LCD monitor with Live View, 3fps full-res continuous burst mode. | |
