This camera is known as the Canon EOS 600D in the Europe, Asia, Oceania, it is known as the Canon EOS Rebel T3i in the Americas and it is known as the Canon Kiss X5 in Japan. Canon EOS Rebel T3i is digital, single-lens reflex, AF/AE camera with built-in flash. Image sensor size: approx. 22.3 x 14.9 mm. Compatible lenses: Canon EF lenses including EF-S lenses (35mm-equivalent focal length is approx.1.6x the lens focal length). Lens Mount: Canon EF mount. Image Sensor: CMOS sensor. Effective pixels: approx. 18.0 megapixels. Aspect ratio: 3:2. Dust delete feature: Auto, Manual, Dust Delete Data appending. Recorded pixels: Large - approx. 17.90 Megapixels (5,184 x 3,456); Medium - approx. 8.00 Megapixels (3,456 x 2,304); Small - approx. 4.50 Megapixels (2,592 x 1,728); S2 - approx. 2.50 Megapixels (1,920 x 1,280); S3 - approx. 0.35 Megapixels (720 x 480); RAW - approx. 17.90 Megapixels (5,184 x 3,456). White balance: Auto, Daylight, Shade, Cloudy, Tungsten light, White fluorescent light, Flash, Custom. Viewfinder: Eye-level pentamirror. Magnification: approx. 0.85x (-1 m-1 with 50mm lens at infinity). Focusing screen: Fixed. Mirror: Quick-return type. ISO speed (Recommended exposure index): Basic Zone modes - ISO 100-3200 set automatically; Creative Zone modes - ISO 100-6400 set manually (whole-stop increments),ISO 100-6400 set automatically, maximum ISO speed settable for ISO Auto, or ISO expansion to “H”(equivalent to ISO 12800). Shutter: Vertical-travel, mechanical, focal-plane shutter with all speeds electronically controlled. Shutter speeds: 1/4000 to 1/60 sec., X-sync at 1/200 sec.; 1/4000 to 30 sec., Bulb (Total shutter speed range. Available range varies by shooting mode.). LCD Monitor: TFT color, liquid-crystal monitor.