• 35mm 855.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600
  • APS-C 332.3mm2
  • 24.2 megapixels
  • ISO 100 - 25,600
  • Detailed specifications
  • Sony Alpha SLT-A99
  • Canon EOS 77D
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:   Canon T6s
T6s vs 77D
Successor: Sony A99 II
A99 vs A99 II
 
General
Model Number: A99 77D
Alternate Model Number(s): SLT-A99V 9000D
Camera Format: SLR SLR
Currently Manufactured: No Yes
Retail Price: $2799.99 $1499.00
Street Price: $1,998.00 $549.99
Date Available: 2012-10-15 2017-04-15
Tripod Mount: Yes Yes
Weight: 29.2 oz (828 g)
includes batteries
37.2 oz (1,055 g)
includes batteries, kit lens
Size: 5.8 x 4.4 x 3.1 in.
(147 x 111 x 78 mm)
5.2 x 3.9 x 3.0 in.
(131 x 100 x 76 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Canon
Effective Megapixels: 24.3 24.2
Sensor Format: 35mm APS-C
Sensor size: 855.62mm2 (35.80mm x 23.90mm) 332.27mm2 (22.30mm x 14.90mm)
Approximate Pixel Pitch: 5.97 microns 3.72 microns
Focal Length Multiplier: 1.0x 1.6x
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 No
On-Sensor Phase Detect: No Yes
DxO Sensor Score: 89 78
DxO Color Depth Score (bits): 25.0 23.6
DxO Dynamic Range Score (evs): 14.0 13.3
DxO Maximum Effective ISO Score (iso): 1,555 971
Image Capture
Image Resolution: 6000 x 4000 (24.0 MP, 3:2),
6000 x 3376 (20.3 MP, 16:9),
3936 x 2624 (10.3 MP, 3:2),
3936 x 2216 (8.7 MP, 16:9),
2640 x 1760 (4.6 MP, 3:2),
2640 x 1488 (3.9 MP, Other),
1728 x 1152 (2.0 MP, 3:2),
1728 x 976 (1.7 MP, Other),
12416 x 1856 (23.0 MP, Other),
8192 x 1856 (15.2 MP, Other),
2160 x 5536 (12.0 MP, Other),
2160 x 3872 (8.4 MP, Other)
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 1824 (5.4 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 (EXIF 2.3), 14-bit RAW (ARW 2.3), RAW+JPEG JPEG (EXIF 2.3), 14-bit .CR2 RAW, RAW+JPEG
Continuous-mode frames/second: 5.9 6.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60p/​28Mbps/​PS or 60i/​24Mbps/​FX or 60i/​17Mbps/​FH or 24p/​24Mbps/​FX or 24p/​17Mbps/​FH)
1440x1080 (30p/​12Mbps)
640x480 (30p/​3Mbps)
1920x1080 (60p/​50p/​30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p)
640x480 (30p/​25p)
Movie File Format: AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC MOV (Video: H.264, Audio: Stereo Linear PCM); MP4 (Video: H.264, Audio: AAC)
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) Canon EF/EF-S
Lens: n/a Canon EF-S 18-135mm f/3.5-5.6 IS USM
Focal Length (35mm equivalent):   29 - 216mm
Focal Length (actual):   18 - 135mm
Zoom Ratio:   7.50x
Aperture Range:   f/3.5 - f/22 (wide) / f/5.6 - f/36 (tele)
Integrated ND Filter: No No
Normal Focus Range:   39 cm to Infinity
15.4 in to Infinity
Macro Focus Range:    
Filter Thread: n/a 67.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes
Digital Zoom Values: 1.4x / 2x  
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Dual Phase-detection: 19 points (11 points cross type) CCD line sensors, 102 assist points focal plane phase-detection sensors; Wide (auto, 19 points), Zone, Spot, Local selectable 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? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / LCD Optical / LCD
Viewfinder Type: EVF type; 1.3cm (0.5-inch) 2,359K-dot XGA OLED, ~100% coverage, 0.71x magnification, 22mm eyepoint at -1 diopter (CIPA standard), -4 to +3 diopter, eye sensor. SLR type; eye-level pentamirror, ~95% coverage, ~0.82x magnification, 19mm eyepoint, -3 to +1 diopter, eye sensor
Focus Peaking: Yes No
EVF Resolution: 2,359,000 dots n/a
Viewfinder Magnification (35mm equivalent): 0.71x 0.51x
Viewfinder Magnification (nominal/claimed): 0.71x 0.82x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 1,228,800 dots (307,200 px) 1,040,000 dots (346,600 px)
Touchscreen: No Yes
Articulating Screen: Yes Yes
Tilt Swivel Screen: Yes Yes
Selfie Screen: Yes Yes
Max Playback Zoom: 16.7x 10.0x
Top Deck Display: Yes Yes
Exposure
Maximum ISO (native): 25600 25600
Minimum ISO (native): 100 100
ISO Settings: Auto (100-6400 with selectable limits), 100-25600 in 1/3 EV steps, extendable down to ISO 50; Multi-frame NR up to ISO 51200 Auto, 100 - 25600 in 1EV steps, Expandable to 51200
Auto ISO Mode: Yes Yes
White Balance Settings: Auto WB, Daylight, Shade, Cloudy, Incandescent, Fluorescent (Warm white/Cool white/Day white/Daylight), Flash, C. Temp 2500 to 9900K, C Filter G7 to M7 (15-step), Custom, AWB micro adjustment Auto, Daylight, Shade, Cloudy, Tungsten, White Fluorescent, Flash, Custom
Shutter Speed Range: 1/8000 - 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: 1200-zone Evaluative, Center-weighted, Spot 7,560-pixel RGB+IR metering sensor: 63-zone Evaluative (linked to all AF points), Center-weighted, Partial (6.0%), Spot (3.5%)
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 Action, Sunset, Night Portrait, Night Scene, Hand-held Twilight, Sweep Panorama, Telezoom Continuous Priority AE Creative Auto, Portrait, Landscape, Close-up, Sports, Special Scene (Group Photo, Kids, Food, Candlelight, Night Portrait, Handheld Night Scene, HDR Backlight Control), Flash Off, Creative Filters (Grainy B/W, Soft Focus, Fish-eye, Water-painting, Toy Camera, Miniature, HDR Art (Standard/Vivid/Bold/Embossed)
Self Timer: 2, 10; 3 or 5 frames after 10s seconds 10 or 2 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
Flash
Built-in Flash: No Yes
Flash Modes: Auto, Off, Fill-flash, Rear sync, Wireless, High-Speed sync, Slow sync, Red-eye reduction: On/Off E-TTL II, Manual
Flash Guide Number (ISO 100): n/a 12.0 m / 39.4 ft.
Flash Range Description: n/a Lens aperture dependent; GN= 12m (39.4 ft.) at ISO 100, works out to about 11.2 feet at f/3.5 and 7 feet at f/5.6
Max Flash Sync: 1/250 1/200
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps +/- 2.0 EV in 0.3EV steps
External Flash Connection: Multi Interface Shoe, PC-Sync terminal Hot Shoe
Built-In Wireless Flash Control:   Full TTL exposure
Image Storage
Usable Memory Types: MS Duo / MS PRO Duo / 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 RAW (ARW 2.3), RAW+JPEG 14-bit .CR2 RAW, RAW+JPEG
Movie File Format: AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC MOV (Video: H.264, Audio: Stereo Linear PCM); MP4 (Video: H.264, Audio: AAC)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No Yes
Bluetooth: No Yes
Built-In GPS: Yes No
Microphone Jack: Yes Yes
Headphone Jack: Yes No
External Connections: USB 2.0 High Speed USB 2.0 High Speed,Bluetooth,WiFi
PictBridge Compliant: Yes Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional Wireless or Wired Optional wired, IR wireless, Bluetooth or Wi-Fi
Connections (extended): Type-C HDMI Mini Connector (BRAVIA Sync, PhotoTV H); Wired Remote Terminal, External Stereo Micophone Jack, External Stereo Headphone Jack, DC Input, Vertical Grip connector, Sync Terminal, Multi Interface Shoe, Built-in GPS Mini (Type-C) HDMI, 3.5mm Microphone Jack, Wired Remote Jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.50 <0.3
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.56  
Buffer size for RAW shooting in single shot mode (frames): Unlimited  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 0.58 <0.3
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 5.9 6.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 17 167
RAW shooting speed in burst mode (fps): 5.9 6.0
Buffer size for RAW shooting in burst mode (frames): 18 23
RAW+JPEG shooting speed in burst mode (fps): 5.9 6.0
Buffer Size for RAW+JPEG shooting in burst mode (frames): 13 21
Shutter lag (full AF, wide/mid): 0.13 seconds 0.09 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):   0.071 seconds
Shutter Lag (manual focus): 0.081 seconds 0.087 seconds
Shutter lag (full AF, with flash):   0.25 seconds
Shutter Lag (prefocused): 0.055 seconds 0.068 seconds
Shutter Lag (notes): Full AF lag, Wide-area AF mode = 0.125s Prefocused shutter lag with Electronic First Curtain Off = 0.108s  
Startup Time: 0.7 seconds 0.4 seconds
Play -> Record Time: 1.1 seconds 0.2 seconds
Flash cycle time, full power:   3.1 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 500 shots 270 shots
Battery Life, Still (CIPA Rating OVF/EVF): 410 shots 600 shots
Battery Life, Video:    
Battery Form Factor: Proprietary NP-FM500H Proprietary
Usable Battery Types: Lithium-ion rechargeable LP-E17 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FM500H Lithium-ion rechargeable 1 x Proprietary LP-E17 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 Picture Motion Browser, Image Data Converter 4, Remote Camera Control 3)  
OS Compatibility: Windows XP SP3/Vista SP2/7, Mac OS X (v.10.5 +); PMB is Windows only  
Miscellaneous
Notes & Features: 24.3MP full-frame image sensor, SteadyShot INSIDE image stabilization, dual phase-detect AF, 200K shutter, AVCHD 2.0 video, hi-res OLED EVF, articulating 1.3M-dot LCD, 6 fps bursts at full resolution, up to 10 fps Tele-zoom mode, two card slots (SD/MS, SD), real-time Full HD video out via HDMI, built-in GPS.