• APS-C 369.7mm2
  • 14.2 megapixels
  • ISO 100 - 12,800
  • 35mm 861.6mm2
  • 36.4 megapixels
  • ISO 100 - 25,600
  • Detailed specifications
  • Sony Alpha SLT-A33
  • Sony Alpha ILCE-A7R
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Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:   Sony A7R II
A7R vs A7R II
General
Model Number: A33 A7R
Alternate Model Number(s):   ILCE-7R
Camera Format: SLR Compact System Camera
Currently Manufactured: No Yes
Retail Price: $749.99 $2299.99
Street Price: $539.99 $1,799.00
Date Available: 2010-09-15 2013-12-07
Tripod Mount: Yes Yes
Weight: 25.6 oz (725 g)
includes batteries, kit lens
16.4 oz (465 g)
includes batteries
Size: 4.9 x 3.6 x 3.3 in.
(124 x 92 x 85 mm)
5.0 x 3.7 x 1.9 in.
(127 x 94 x 48 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Sony
Effective Megapixels: 14.2 36.4
Sensor Format: APS-C 35mm
Sensor size: 369.72mm2 (23.7mm x 15.6mm) 861.6mm2 (35.90mm x 24.00mm)
Approximate Pixel Pitch: 5.16 microns 4.88 microns
Focal Length Multiplier: 1.5x 1.0x
Aspect Ratio: 3:2, 16:9 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed None
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 70 95
DxO Color Depth Score (bits): 22.8 25.6
DxO Dynamic Range Score (evs): 12.6 14.1
DxO Maximum Effective ISO Score (iso): 591 2,746
Image Capture
Image Resolution: 4592 x 3056 (14.0 MP, 3:2),
4592 x 2576 (11.8 MP, 16:9),
3344 x 2224 (7.4 MP, 3:2),
3344 x 1872 (6.3 MP, Other),
2288 x 1520 (3.5 MP, Other),
2288 x 1280 (2.9 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),
7152 x 1080 (7.7 MP, Other),
4912 x 1080 (5.3 MP, Other),
1920 x 1080 (2.1 MP, 16:9)
7360 x 4912 (36.2 MP, 3:2),
4800 x 3200 (15.4 MP, 3:2),
3680 x 2456 (9.0 MP, 3:2),
4800 x 3200 (15.4 MP, 3:2),
3680 x 2456 (9.0 MP, 3:2),
2400 x 1600 (3.8 MP, 3:2),
7360 x 4144 (30.5 MP, 16:9),
4800 x 2704 (13.0 MP, 16:9),
3680 x 2072 (7.6 MP, 16:9),
4800 x 3200 (15.4 MP, 3:2),
3680 x 2456 (9.0 MP, 3:2),
2400 x 1600 (3.8 MP, 3:2),
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)
Image File Format: JPEG, RAW (ARW 2.2), RAW+JPEG JPEG, RAW (14-bit ARW 2.3), RAW+JPEG
Continuous-mode frames/second: 7.1 4.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60i/​50i)
1440x1080 (30/​25)
640x480 (30/​25)
1920x1080 (60p(28Mbps)/​60i(24/​17Mbps)/​24p(24/​17Mbps))
1440x1080 (30p(12Mbps))
640x480 (30p(3Mbps))
Movie File Format: AVCHD, MP4 AVCHD 2.0 / MP4; Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo
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) Sony E
Lens: Sony 18-55mm f/3.5-5.6 DT SAM n/a
Focal Length (35mm equivalent): 27 - 83mm  
Focal Length (actual): 18 - 55mm  
Zoom Ratio: 3.00x  
Aperture Range: f/3.5 - 22 (W), f/5.6 - ?? (T)  
Integrated ND Filter: No No
Normal Focus Range:    
Macro Focus Range:    
Filter Thread: 55.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No Yes
Digital Zoom Values: n/a Up to 4x; up to 2x Clear Image Digital Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Phase Detection: 15 points (3 points cross type); Wide, Spot, Local. Contrast-detect AF: Multi Point (25 points) / Center-weighted / Flexible Spot (S/M/L) / Zone
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / LCD EVF / LCD
Viewfinder Type: EVF type; 1.1cm (0.43") 1,152K-dot LCD (384K-dot time-multiplexed RGB), 100% coverage, 1.10x mag., 19mm eyepoint, -4 to +4 diopter EVF: 1.3cm (0.5-inch) 2.4M-dot XGA color OLED, 100% coverage, 0.71x magnification, -4.0 to +3.0 diopter, eye sensor
Focus Peaking: No Yes
EVF Resolution:   2,359,296 dots (786,432 pixels)
Viewfinder Magnification (35mm equivalent): 0.73x 0.71x
Viewfinder Magnification (nominal/claimed): 1.10x 0.71x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,600 dots 921,600 dots (307,200 px)
Touchscreen: No No
Articulating Screen: Yes Yes
Tilt Swivel Screen: No
Selfie Screen: No
Max Playback Zoom: 11.8x 23.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 12800 25600
Minimum ISO (native): 100 100
ISO Settings: Auto (100-1600), 100, 200, 400, 800, 1600, 3200, 6400, 12800. (Multi-frame NR mode up to ISO 25600) Auto (100-6400), ISO 100 - 25600; Low extention to ISO 50; up to 51200 in MFNR mode
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent, Flash, Custom, Color Temp./ Filter (2500 – 9900K with 19-step Magenta/Green compensation) Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent (4 settings), Flash, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation), Underwater
Shutter Speed Range: 1/4000 - 30 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 1200-zone Evaluative, Center-weighted, Spot 1200-zone Evaluative Multi-segment, Center-weighted, Spot
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 view, Hand-held Twilight, Sweep Panorama (2D/3D) Scene Modes: Portrait, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night Scene, Hand-held Twilight, Anti Motion Blur; Sweep Panorama; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step),
Self Timer: 2 or 10 seconds 2 or 10; 3/5 shots after 10 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes No
Flash Modes: Auto, Off, Fill-flash, Rear sync, Wireless, High-Speed sync, Slow sync, Red-eye reduction: On/Off Flash off, Auto flash, Fill-flash, Slow Sync., Rear Sync., Hi-speed Sync, Wireless; Red-eye reduction: On/Off
Flash Guide Number (ISO 100): 10.0 m / 32.8 ft. n/a
Flash Range Description: Lens dependent n/a
Max Flash Sync: 1/160 1/160
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Hot shoe Multi Interface Hot shoe
Built-In Wireless Flash Control: Full TTL exposure  
Image Storage
Usable Memory Types: MS PRO Duo / SD / SDHC / SDXC MS PRO Duo / SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (ARW 2.2), RAW+JPEG RAW (14-bit ARW 2.3), RAW+JPEG
Movie File Format: AVCHD, MP4 AVCHD 2.0 / MP4; Audio: Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo
Included Memory:   No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No Yes
NFC: No Yes
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: Yes Yes
Headphone Jack: No Yes
External Connections: USB 2.0 High Speed USB 2.0 High Speed,WiFi
PictBridge Compliant: Yes No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional Wireless or Wired Optional via RM-VPR1, USB or Wi-Fi
Connections (extended): Type-C HDMI Mini Connector (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, 3.5mm External Stereo Micophone Jack Multi-Terminal Micro USB (with remote support), Type-D Micro HDMI, Microphone and Headphone jacks
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.98 0.84
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.97 0.79
Buffer size for RAW shooting in single shot mode (frames): Unlimited Unlimited
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   0.84
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 7.1 4.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 13 15
RAW shooting speed in burst mode (fps):   4.0
Buffer size for RAW shooting in burst mode (frames):   15
RAW+JPEG shooting speed in burst mode (fps):   4.0
Buffer Size for RAW+JPEG shooting in burst mode (frames):   14
Shutter lag (full AF, wide/mid): 0.22 seconds 0.36 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.208 seconds 0.261 seconds
Shutter lag (full AF, with flash): 0.47 seconds  
Shutter Lag (prefocused): 0.102 seconds 0.163 seconds
Shutter Lag (notes): Full AF, wide-area mode = 0.219s Full Autofocus lag, Multi-area AF mode = 0.362s
Startup Time: 0.8 seconds 2.0 seconds
Play -> Record Time: 0.5 seconds 0.9 seconds
Flash cycle time, full power: 3.4 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   340 shots
Battery Life, Still (CIPA Rating OVF/EVF): 270 shots 270 shots
Battery Life, Video:    
Battery Form Factor: Proprietary NP-FW50 Proprietary
Usable Battery Types: Lithium-ion rechargeable NP-FW50 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FW50 Lithium-ion rechargeable 1 x Proprietary NP-FW50 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: No
Internal Charging Supported: Yes
Software
Included Software: Software CD-ROM (includes Picture Motion Browser, Image Data Converter SR, Image Data Lightbox SR) Image Data Converter 4, PlayMemories Home
OS Compatibility: Windows XP SP3/Vista SP2/7, Mac OS X (v.10.3 +) Windows Vista/7/8; Mac OS X 10.6 or later. (PlayMemories Home is Windows only.)
Miscellaneous
Notes & Features: SteadyShot INSIDE Image Stabilization, Articulating LCD, 1080i HD Video, Multi-frame NR, Hand-held Twilight, Auto HDR, D-Range Optimizer, 2D/3D Sweep Panorama, Smile Shutter, DOF Preview, 7fps Burst Mode. World's smallest, lightest, fully-featured interchangeable lens full-frame camera (along with Sony A7); No OLPF; Compatible with Sony's E-mount lens system and new full-frame lenses.