Canon T1i Features Reviews Videos
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Canon T1i Autofocus

TypeTTL-CT-SIR AF-dedicated CMOS sensor
AF Points9 AF points (center AF point is cross-type)
Metering RangeEV -0.5-18 (at 73°F/23°C, ISO 100)
Focusing ModesAuto, One-Shot AF, Predictive AI Servo AF, AI Focus AF, Manual Focusing (MF)
AF Point SelectionAutomatic selection, manual selection
Selected AF Point DisplaySuperimposed in viewfinder and indicated on LCD monitor
AF-assist BeamIntermittent firing of built-in flash
Effective range: Approx. 4.0m/13.1 ft. at center, approx. 3.5m/11.5 ft. at periphery. When EOS-dedicated Speedlite attached, the Speedlite's AF-assist beam is emitted instead.