Type 35mm focal plane shutter SLR (Single-Lens Reflex) camera with multi-point autofocus, auto exposure and built-in motor drive. Lens Mount Canon EF Mount (fully electronic signal-transfer system). Usable Lenses Canon EF lenses. Viewfinder Fixed eye-level pentaprism. Gives approx. 100% vertical and horizontal coverage of actual picture area and 0.72x magnification with 50mm lens at infinity at standard diopter (-1). Focusing Screen (standard) Laser-matte screen with fine spot metering area mark. (Seven optional interchangeable screens are available.) Dioptric Adjustment - 3 to + 1 dpt Eyepoint 20mm Shutter Vertical-travel focal plane shutter; all speeds electronically controlled. Release time lag (excluding AF operation) 64ms (time required to start exposure by pressing the shutter button completely after sub-mirror operation by pressing the shutter button halfway. 200 ms in case that the shutter button is pressed completely at once.) Shutter Speed 1/8000 ~ 30 sec. and bulb. X-sync is 1/250 sec. Can be set in 1/3-stop increments. Mirror Quick return half mirror. (reflection: transmission=63:37)     Autotocus AF Control System TTL-CT-SIB (Cross Type-Secondary ../image Registration) phase-detection type using multi-BASIS (Base-Stored ../image Sensor). Two AF modes One-shot and Al Servo with Focus Prediction. Manual focusing possible. Focusing points Five points provided. Focusing point selection Selected automatically by mere or manually by user. AF Working Range EV 0 ~ 18 at ISO 100.     Exposure Control Light metering TTL full aperture metering using a 16-zone SPC (Silicon Photo-Cell). Five metering patterns available: 1. 16-zone evaluative metering 2. Center-weighted average metering 3. Partial metering (meters approx. 9% of ../image area) 4. Spot metering (meters approx. 3.5% of ../image area) 5. Fine spot metering (meters approx. 2.3% of ../image area) Metering Range Evaluative and partial metering: EV 0 ~ 20 (normal temp., EF 50mm f/1.4 USM, ISO 100) Fine spot metering EV 3 ~ 20 (same conditions as the above) Usable film speeds ISO 6-6400 (ISO 25-5000 when automatically set by DX code) Exposure Modes 1. Shutter-Priority AE (1/3, 1/2 or top increments) 2. Aperture-Priority AE (1/3, 1/2 or 1-stop increments) 3. Depth-of-Field AE 4. Intelligent Program AE 5. A-TTL and TTL Program Flash AE 6. Manual 7. Bulb Exposure Compensation +- 3 stops in 1/3-stop or 1/2-stop increments Auto Exposure Bracketing +- 3 stops in 1/3-stop or 1/2-stop increments Depth-of-Field Preview With depth-of-field preview button     Film Transport Film Loading Automatic Film Wind Automatic. Two modes available (single exposure) and (continuous exposure). Maximum Film Winding Speed (shutter speed: 1/250 sec.)   One-shot AF/Manual AI servo AF (continuous exposure) approx. 3 fps approx. 2 fps Film Rewind Automatic (approx. 5 sec. with 24-exp. film). Mid-roll rewind possible. Rewind noise: 69 dB in normal mode, 48 dB in Silent mode.     Power Source Battery One lithium battery pack (2CR5-6V), housed inside grip. (one 2CR5-6V lithium battery or four AA-size alkaline manganese or Ni-Cd batteries selectable when combining the optional battery pack BP-E1) Battery Check By pressing battery check button. Four energy levels shown in LCD panel. Shooting Capacity (with 24-exp. film) \ Power   Battery type EOS-1N alone or with BP-E1 With BP-E1 2CR5 lithium AA-size alkaline AA-size Ni-Cd Normal (20°C/68°F) 75 (50) rolls 45 (30) rolls 18 (12) rolls Low (-20°C/-4°F) 12 (8) rolls 0 (0) rolls 12 (8) rolls Others Custom Functions 14 custom functions available. Flash Contacts Direct contact at accessory shoe and PC socket (JIS-B type). Simultaneous use is possible. Remote Control 3-pin remote control socket provided. Data Display In viewfinder and LCD panel. Multiple Exposures Up to 9 exposures can be preset. Self-Timer Electronically controlled with 2- or 10-sec. delay selectable.     Size Dimensions 161 x 112.1 x 71.8 mm (W x H x D) [16-5/16" x 4-7/16" x 2-13/16"] Weight 855 g/30 oz. without battery 895 g/31.3 oz. with battery