• 4/3 224.9mm2
  • 12.3 megapixels
  • ISO 200 - 12,800
  • APS-C 369.7mm2
  • 24.3 megapixels
  • ISO 100 - 16,000
  • Detailed specifications
  • Olympus PEN E-P3
  • Sony Alpha SLT-A77
Links
Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:   Sony A77 II
A77 vs A77 II
General
Model Number: E-P3 A77
Alternate Model Number(s):    
Camera Format: Compact System Camera SLR
Currently Manufactured: No No
Retail Price: $899.99 $1999.99
Street Price: $561.30 $1,899.00
Date Available: 2011-08-15 2011-10-15
Tripod Mount: Yes Yes
Weight: 17.3 oz (490 g)
includes batteries, kit lens
48.1 oz (1,363 g)
includes batteries, kit lens
Size: 4.8 x 2.7 x 1.4 in.
(122 x 69 x 34 mm)
5.6 x 4.1 x 3.2 in.
(143 x 104 x 81 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: Live MOS CMOS
Sensor Manufacturer: Panasonic Sony
Effective Megapixels: 12.3 24.3
Sensor Format: 4/3 APS-C
Sensor size: 224.9mm2 (17.30mm x 13.00mm) 369.72mm2 (23.7mm x 15.6mm)
Approximate Pixel Pitch: 4.29 microns 3.95 microns
Focal Length Multiplier: 2.0x 1.5x
Aspect Ratio: 4:3 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes Yes
On-Sensor Phase Detect: No No
DxO Sensor Score: 51 78
DxO Color Depth Score (bits): 20.8 24.0
DxO Dynamic Range Score (evs): 10.1 13.2
DxO Maximum Effective ISO Score (iso): 536 801
Image Capture
Image Resolution: 4032 x 3024 (12.2 MP, 4:3),
3200 x 2400 (7.7 MP, 4:3),
2560 x 1920 (4.9 MP, 4:3),
1920 x 1440 (2.8 MP, 4:3),
1600 x 1200 (1.9 MP, 4:3),
1280 x 960 (1.2 MP, 4:3),
1024 x 768 (0.8 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
6000 x 4000 (24.0 MP, 3:2),
6000 x 3376 (20.3 MP, 16:9),
4240 x 2832 (12.0 MP, 3:2),
4240 x 2400 (10.2 MP, Other),
3008 x 2000 (6.0 MP, 3:2),
3008 x 1688 (5.1 MP, 16:9),
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)
Image File Format: JPEG (EXIF 2.2), MPO (3D), 12-bit RAW (.ORF) JPEG (EXIF 2.3), MPO (3D), 12-bit RAW (ARW 2.3), RAW+JPEG
Continuous-mode frames/second: 3.1 11.6
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60i (20Mbps/​17Mbps))
1280x720 (60p (17Mbps/​13Mbps))
1280x720 (30p)
640x480 (30p)
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)
Movie File Format: AVCHD, Motion JPEG AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo
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: Micro Four Thirds Sony Alpha (Minolta A)
Lens: Olympus 14-42mm f3.5/5.6 II R MSC M.Zuiko Digital Zoom Lens Sony 16-50mm f/2.8 DT SSM (SAL1650)
Focal Length (35mm equivalent): 28 - 84mm 24 - 75mm
Focal Length (actual): 14 - 42mm 16 - 50mm
Zoom Ratio: 3.00x 3.13x
Aperture Range: f/3.5 (wide) / f/5.6 (tele) - f/22 f/2.8 - f/22 (W/T)
Integrated ND Filter: No No
Normal Focus Range: 25 cm to Infinity
9.8 in to Infinity
30 cm to Infinity
11.8 in to Infinity
Macro Focus Range:    
Filter Thread: 37.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes Yes
Digital Zoom Values: 2x 1.4x / 2x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detect: High-speed, 35-point with Face Detection and Tracking. Auto from all 35 area, Single area from 35 area, Group Target area (9 area) from 35 area, Up to 8 Faces Detected Phase Detection: 19 points (11 points cross type); Wide (auto, 19 points), Zone, Spot, Local
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: No / LCD EVF / LCD
Viewfinder Type: Optional EVF mounted in flash hotshoe EVF type; 1.3cm (0.5") 2,359K-dot OLED, 100% coverage, 1.09x mag., 22mm eyepoint, -4 to +3 diopter
Focus Peaking: No Yes
EVF Resolution: n/a 2,359,000 dots
Viewfinder Magnification (35mm equivalent):   0.73x
Viewfinder Magnification (nominal/claimed):   1.09x
Display
Eye-level Viewfinder: No Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 614,000 dots 921,600 dots (307,200 px)
Touchscreen: No No
Articulating Screen: No Yes
Tilt Swivel Screen: No Yes
Selfie Screen: No Yes
Max Playback Zoom: 14.0x 13.6x
Top Deck Display: No Yes
Exposure
Maximum ISO (native): 12800 16000
Minimum ISO (native): 200 100
ISO Settings: Auto (customizable range), 200 - 12800 (1/3, 1 EV steps) Auto (100-12800 with selectable limits), 50 (expanded), 100, 200, 400, 800, 1600, 3200, 6400, 12800, 16000. (Multi-frame NR mode up to ISO 25600)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Lamp, Fluorescent, Daylight, Flash, Cloudy, Shade, Custom WB, One-touch WB 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
Shutter Speed Range: 1/4000 - 60 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 324-zone Digital ESP, Center Weighted Average, Spot (~1%, with Highlight/Shadow modes) 1200-zone Evaluative, 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, e-Portrait, Landscape, Landscape + Portrait, Macro, Sport, Night Scene, Night + Portrait, Children, High Key, Low Key, DIS mode, Nature Macro, Candle, Sunset, Document, Panorama, Fireworks, Beach & Snow, Fisheye Conv, Wide Conv, Macro Conv, 3D; Art Filters (Pop Art, Soft Focus, Pale & Color, Light Tone, Grainy Film, Pin Hole, Diorama, Gentle Sepia, Cross Process, Dramatic Tone) Scene Modes: Portrait, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night Scene, Hand-held Twilight, Auto HDR, Sweep Panorama (2D/3D)
Self Timer: 2 or 12 seconds 2, 10; 3 or 5 frames after 10 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Red-eye reduction, Red-eye reduction slow sync., Slow sync at 1st curtain, Slow sync at 2nd curtain, Fill-in, Manual (Full, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64), Off. Wireless flash control supported. Auto, Off, Fill-flash, Rear sync, Wireless, High-Speed sync (with external flash), Slow sync, Red-eye reduction: On/Off
Flash Guide Number (ISO 100): 7.0 m / 23.0 ft. 12.0 m / 39.4 ft.
Flash Range Description: Depends on lens aperture (GN=10m @ ISO 200) GN=12(m) at ISO 100; Range is lens aperture dependent
Max Flash Sync: 1/180 1/250
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps +/- 2.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe Proprietary Hot Shoe, PC Sync Terminal
Built-In Wireless Flash Control:   Full TTL exposure
Image Storage
Usable Memory Types: SD / SDHC / SDXC MS Duo / MS PRO Duo / SD / SDHC / SDXC
UHS Support:   UHS-I
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: 12-bit RAW (.ORF) 12-bit RAW (ARW 2.3), RAW+JPEG
Movie File Format: AVCHD, Motion JPEG AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC, stereo
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No No
NFC: No No
Bluetooth: No No
Built-In GPS: No Yes
Microphone Jack: No Yes
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed
PictBridge Compliant: Yes Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional RM-UC1 wired remote Optional Wireless or Wired
Connections (extended): Accessory Port 2, Multi Connector (USB/AV/Remote), Mini HDMI (Type C) Type-C HDMI Mini Connector (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, External Stereo Micophone Jack, DC Input
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.74 0.42
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.71 0.42
Buffer size for RAW shooting in single shot mode (frames): Unlimited 5
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   0.42
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 3.1 11.6
Buffer size for JPEG shooting in burst mode (frames, max resolution): 19 17
RAW shooting speed in burst mode (fps):   11.6
Buffer size for RAW shooting in burst mode (frames):   14
RAW+JPEG shooting speed in burst mode (fps):   11.6
Buffer Size for RAW+JPEG shooting in burst mode (frames):   13
Shutter lag (full AF, wide/mid): 0.22 seconds 0.12 seconds
Shutter lag (full AF, tele): 0.21 seconds  
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.088 seconds 0.085 seconds
Shutter lag (full AF, with flash): 0.40 seconds 0.33 seconds
Shutter Lag (prefocused): 0.060 seconds 0.054 seconds
Shutter Lag (notes): Multi-area Full AF: 0.267s Full AF, Wide-area mode = 0.119s
Startup Time: 0.9 seconds 0.8 seconds
Play -> Record Time: 0.5 seconds 1.0 seconds
Flash cycle time, full power: 4.1 seconds 3.2 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 330 shots 530 shots
Battery Life, Still (CIPA Rating OVF/EVF):   470 shots
Battery Life, Video:    
Battery Form Factor: Proprietary BLS-1 or BLS-5 Proprietary NP-FM500H
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: Proprietary BLS-1 Lithium-ion rechargeable 1 x Proprietary NP-FM500H Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: No
Software
Included Software: OLYMPUS Viewer 2/[ib] CD-ROM Software CD-ROM (includes Picture Motion Browser, Image Data Converter 4)
OS Compatibility:   Windows XP SP3/Vista SP2/7, Mac OS X (v.10.5 +); PMB is Windows only
Miscellaneous
Notes & Features: Sensor-shift Image Stabilization, 3-inch 610k-dot OLED Touchscreen, TruePic VI Image Processor, "FAST" AF System, Full HD movies, 10 Art Filters. Available in Black, White and Silver. SteadyShot INSIDE Image Stabilization, Articulating LCD, 1080p HD Video, Auto+, Multi-frame NR, Hand-held Twilight, Auto HDR, Picture Effect, D-Range Optimizer, 2D/3D Sweep Panorama, Smile Shutter, DOF Preview, 12fps Burst Mode, Built-in GPS.