Type: Fully automatic, interchangeable lens digital camera with Micro Four Thirds System bayonet lens mount.
Focusing: Automatic 35-point wide-area system using contrast-detection via imaging sensor. Focus points may be selected manually or automatically by the camera. Manual switching between one-shot and continuous AF modes. Continuous manual override available with single-shot mode. Focus assist via magnified image (5x/7x/10x/14x).
Metering: 324-point ‘Digital ESP’ (i.e. multi-zone), centre-weighted average, spot (2.0%) with highlight/shadow bias, and TTL flash. Metering range is EV 0 to 20 (ISO 100/f2.8).
Exposure Modes: Continuously-variable program with shift, shutter-priority auto, aperture-priority auto, metered manual, TTL auto flash and TTL flash. Plus 23 subject/scene programs, including 3D capture.
Shutter: Electronic, vertical travel, metal blades, 60-1/4000 second plus B (up to 30 minutes). Flash sync to 1/250 second. Exposure compensation up to +/-3.0 EV in 1/3, ½ or full stop increments.
Viewfinder: EVF with 1.44 MP resolution, 100 percent coverage and 1.15x magnification, or variable-angle 7.62 cm OLED monitor screen (610,000 pixels) with touch screen controls. Both have scale/grid, histogram and info displays plus a zoom function.
Flash: No built-in flash. External flash units connect via hotshoe. Compact FL-LM2 accessory flash unit supplied; GN 10 (ISO 200) and 14mm coverage (i.e. equivalent to 28mm). Auto, fill-in, red-eye reduction, slow-speed sync, second curtain sync and wireless commander modes.
Additional Features: AE/AF lock, auto exposure bracketing, depth-of-field preview, dual-mode self-timer (2 and 12 second delays), audible signals, auto power-off, hard-wired remote triggering.

Sensor: 17.2 million (total) pixels Live MOS with 17.3x13.0 mm imaging area and 4:3 aspect ratio. Sensitivity equivalent to ISO 200-25,600.
Focal Length Magnification: 1.97x.
Formats/Resolution: Four JPEG compression settings, RAW output (lossless compression) and RAW+JPEG capture. Eight resolution settings; 4608x3456, 3200x2400, 2560x1920, 1920x1440, 1600x1200, 1280x960, 1024x768 and 640x480 pixels. 24-bit RGB colour for JPEGs, 36-bit RGB colour for RAW files.
Video Recording: Full HD at 1920x1080 pixels, 50 fps and 16:9 aspect ratio, MPEG-4/H.264 AVC compression format. Fine and normal quality modes. HD at 1280x720 pixels, 50 fps and 16:9 aspect ratio, MPEG-4/H.264 AVC compression format. Fine and normal image quality modes.
HD at 1280x720 pixels, 25 fps and 16:9 aspect ratio, AVI Motion JPEG compression format. Built-in stereo microphones with wind filter, and optional adaptor module for connecting an external stereo microphone. Movie clips limited to 2.0 GB file size.
Recording Media: SD/SDHC/SDXC memory cards.
Continuous Still Shooting: Up to 15 frames (as tested) at up to 9.0 fps (JPEG/large/super fine) or up to five RAW frames.
White Balance: TTL measurement via image sensor. Auto measurement, auto warm, seven presets and two custom settings. White balance compensation (amber-to-blue and/or green-to-magenta) in all presets plus white balance bracketing over three frames. Manual colour temperature setting from 2000 to 14,000 degrees Kelvin.
Interfaces: Multi-connector (USB 2.0 and NTSC/PAL composite video) and HDMI mini.
Additional Digital Features: Built-in image stabilisation (with vertical and horizontal only modes), built-in sensor cleaning, Adobe RGB and sRGB colour spaces, long exposure noise reduction (Auto, On, Off), high ISO noise filter (Off, Low, Standard, High), six ‘Picture Modes’ (i-Enhance, Vivid, Natural, Muted, Portrait and Monotone), one user-defined ‘Picture Mode’, adjustable ‘Picture Mode’ adjustments (Contrast, Sharpness, Saturation and Gradation – Auto, Normal, Low-Key, High-Key), Monochrome mode has four contrast filters and four toning effects, 11 ‘Art Filter’ effects applied at capture (Pop Art, Soft Focus, Pale & Light Colour, Light Tone, Grainy Film, Pin Hole, Diorama, Cross Process, Gentle Sepia, Dramatic Tone and Key Line), five ‘Art Effects’ (Soft Focus, Pin Hole, White Edges, Frames and Starlight), five aspect ratios (4:3, 3:2, 16:9, 1:1 and 4:3), multiple exposure facility (with auto exposure adjustment), multiple bracketing modes (AE, WB, flash and ‘Art Filters’), luminance histogram display, ‘Super Control Panel’ screen, highlight and shadow alerts (adjustable thresholds via histogram), adjustable image display time, auto image rotation, slide show (with a choice of music and transitions), playback zoom (up to 14x), 4/9/25/100 thumbnail displays (also available in slide show mode), ‘lightbox’ side-by-side comparison display, in-camera editing functions (Shadow Adjust, Red-Eye Fix, Aspect, B&W, Sepia, Saturation, e-Portrait, Resize), in-camera RAW-to-JPEG conversion, in-camera RAW image overlay (up to three frames), copyright info, DPOF support, PictBridge support.
Power: One 7.6 volt/1220 mAh rechargeable lithium-ion battery pack (BLN-1 type).
Dimensions (WxHxD): body only = 121.0x89.6x41.9 mm. Weight: body only = 380 grams (without battery pack or memory card).
Price: $1499 with M.Zuiko Digital ED 12-50mm f3.5-6.3 EZ zoom or $1299 with M.Zuiko Digital 14-42mm f3.5-5.6 IIR zoom.