• 35mm 855.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600
  • 35mm 861.6mm2
  • 24.3 megapixels
  • ISO 100 - 12,800
  • Detailed specifications
  • Sony Alpha SLT-A99
  • Nikon D750
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor: Sony A99 II
A99 vs A99 II
Nikon D780
D750 vs D780
General
Model Number: A99 D750
Alternate Model Number(s): SLT-A99V  
Camera Format: SLR SLR
Currently Manufactured: No Yes
Retail Price: $2799.99 $3599.95
Street Price: $1,998.00 $1,696.95
Date Available: 2012-10-15 2014-09-30
Tripod Mount: Yes Yes
Weight: 29.2 oz (828 g)
includes batteries
54.7 oz (1,550 g)
includes batteries, kit lens
Size: 5.8 x 4.4 x 3.1 in.
(147 x 111 x 78 mm)
5.5 x 4.4 x 3.1 in.
(141 x 113 x 78 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Sony
Effective Megapixels: 24.3 24.3
Sensor Format: 35mm 35mm
Sensor size: 855.62mm2 (35.80mm x 23.90mm) 861.6mm2 (35.90mm x 24.00mm)
Approximate Pixel Pitch: 5.97 microns 5.97 microns
Focal Length Multiplier: 1.0x 1.0x
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 No
DxO Sensor Score: 89 93
DxO Color Depth Score (bits): 25.0 24.8
DxO Dynamic Range Score (evs): 14.0 14.5
DxO Maximum Effective ISO Score (iso): 1,555 2,956
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)
6016 x 4016 (24.2 MP, 3:2),
4512 x 3008 (13.6 MP, 3:2),
3008 x 2008 (6.0 MP, 3:2),
5008 x 3336 (16.7 MP, 3:2),
3752 x 2504 (9.4 MP, 3:2),
2504 x 1664 (4.2 MP, 3:2),
3936 x 2624 (10.3 MP, 3:2),
2944 x 1968 (5.8 MP, 3:2),
1968 x 1312 (2.6 MP, 3:2)
Image File Format: JPEG (EXIF 2.3), 14-bit RAW (ARW 2.3), RAW+JPEG JPEG (EXIF 2.3), RAW (NEF), lossless compressed, compressed 14 or 12-bit; RAW+JPEG
Continuous-mode frames/second: 5.9 6.6
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)
Movie File Format: AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC MOV (H.264/MPEG-4 AVC video with Linear PCM audio)
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) Nikon F
Lens: n/a Nikkor AF-S 24-120mm f/4G ED VR; 17 elements in 13 groups, including 3 aspherical and 2 ED elements
Focal Length (35mm equivalent):   24 - 120mm
Focal Length (actual):   24 - 120mm
Zoom Ratio:   5.00x
Aperture Range:   f/4 - f/22
Integrated ND Filter: No No
Normal Focus Range:   45 cm to Infinity
17.7 in to Infinity
Macro Focus Range:    
Filter Thread: n/a 77.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes No
Digital Zoom Values: 1.4x / 2x n/a
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: 51-point (15 cross-type, f/8 supported by 11 points) TTL phase detection with 3D focus tracking via Nikon Advanced Multi-CAM 3500FX II; Contrast-detect AF in Live View mode
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; fixed eye-level pentaprism, 100% coverage, 0.70x magnification, 21mm eyepoint, -3 to +1 diopter
Focus Peaking: Yes No
EVF Resolution: 2,359,000 dots n/a
Viewfinder Magnification (35mm equivalent): 0.71x 0.70x
Viewfinder Magnification (nominal/claimed): 0.71x 0.70x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.2
Rear Display Resolution: 1,228,800 dots (307,200 px) 1,228,800 dots (307,200 px)
Touchscreen: No No
Articulating Screen: Yes Yes
Tilt Swivel Screen: Yes No
Selfie Screen: Yes No
Max Playback Zoom: 16.7x  
Top Deck Display: Yes Yes
Exposure
Maximum ISO (native): 25600 12800
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 ISO 100 - 12,800, Lo-1 (ISO 50), Hi-1 (ISO 25,600), Hi-2 (ISO 51,200), Auto (adjustable)
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 (2 types), Incandescent, Fluorescent (7 types), Direct Sunlight, Flash, Cloudy, Shade, Preset manual (up to 6 values can be stored), Color temperature (2,500K-10,000K)
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 91,000-pixel RGB sensor; 3D Color Matrix Metering III, Center-weighted, Spot (1.5%) centered on selected focus area; 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 Action, Sunset, Night Portrait, Night Scene, Hand-held Twilight, Sweep Panorama, Telezoom Continuous Priority AE Scene (portrait, landscape, child, sports, close up, night portrait, night landscape, party/indoor, beach/snow, sunset, dusk/dawn, pet, candlelight, blossom, autumn colors, food), Effects, HDR, Active D-Lighting
Self Timer: 2, 10; 3 or 5 frames after 10s seconds 2/5/10/20 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 Front-curtain sync, Slow sync, Rear-curtain sync, Red-eye reduction, Red-eye reduction with slow sync; built-in flash supports wireless Commander mode
Flash Guide Number (ISO 100): n/a 12.0 m / 39.4 ft.
Flash Range Description: n/a Lens aperture dependent; GN = 12m or 39 ft (ISO 100)
Max Flash Sync: 1/250 1/200 (up to 1/250 with reduced range)
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps -3 to +1 EV in 0.3EV steps
External Flash Connection: Multi Interface Shoe, PC-Sync terminal ISO-type 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 Yes
RAW Capture Support: Yes Yes
Uncompressed Format: 14-bit RAW (ARW 2.3), RAW+JPEG RAW (NEF), lossless compressed, compressed 14 or 12-bit; RAW+JPEG
Movie File Format: AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC MOV (H.264/MPEG-4 AVC video with Linear PCM audio)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No No
Bluetooth: No No
Built-In GPS: Yes No
Microphone Jack: Yes Yes
Headphone Jack: Yes Yes
External Connections: USB 2.0 High Speed USB 2.0 High Speed,WiFi
PictBridge Compliant: Yes Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional Wireless or Wired Via Wi-Fi; optional wired or wireless
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 Type-C Mini HDMI, Accessory Terminal, 3.5mm Stereo Mic Jack, 3.5mm Stereo Headphone Jack, Built-in Wi-Fi
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 <0.3
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 6.6
Buffer size for JPEG shooting in burst mode (frames, max resolution): 17 40
RAW shooting speed in burst mode (fps): 5.9 6.6
Buffer size for RAW shooting in burst mode (frames): 18 14
RAW+JPEG shooting speed in burst mode (fps): 5.9 6.7
Buffer Size for RAW+JPEG shooting in burst mode (frames): 13 10
Shutter lag (full AF, wide/mid): 0.13 seconds 0.21 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):   1.77 seconds
Shutter lag (prefocused, live view - DSLR):   0.174 seconds
Shutter Lag (manual focus): 0.081 seconds 0.055 seconds
Shutter lag (full AF, with flash):   0.25 seconds
Shutter Lag (prefocused): 0.055 seconds 0.054 seconds
Shutter Lag (notes): Full AF lag, Wide-area AF mode = 0.125s Prefocused shutter lag with Electronic First Curtain Off = 0.108s OVF: - Full AF shutter lag, wide-area AF mode = 0.228s Live View: - Full AF shutter lag = 1.769s - Prefocused: 0.174s
Startup Time: 0.7 seconds 0.5 seconds
Play -> Record Time: 1.1 seconds 0.5 seconds
Flash cycle time, full power:   2.4 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 500 shots  
Battery Life, Still (CIPA Rating OVF/EVF): 410 shots 1230 shots
Battery Life, Video:    
Battery Form Factor: Proprietary NP-FM500H Proprietary EN-EL15
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable or MB-D14 battery grip
Batteries Included: 1 x Proprietary NP-FM500H Lithium-ion rechargeable 1 x Proprietary EN-EL15 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) Nikon ViewNX 2 CD-ROM
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. EXPEED 4 processor, 6.5fps burst rate, 1080p60 movies, built-in Wi-Fi, tilting 3.2-inch 1229K-dot LCD, improved 51-point AF, highlight-weighted metering, dual SD card slots. Available body only or bundled with AF-S 24-120mm f/4 lens.