Canon EOS-1V HS manual Fn-19Lens AF stop button function switching

Custom Function Settings

C.Fn-19Lens AF stop button function switching

The function of the AF stop button provided with super telephoto Image Stabilizer lenses can be shifted to the AF start button or AE lock button.

C.Fn	Function	No.	Description
		0	AF stop
		1	AF start
		2	AE lock while metering is
	Lens AF stop button		active
C.Fn-19
	function switching		Automatic selection of 45 focusing

3points or center focusing point selection when pressed

4

Toggle between One-Shot AF and AI Servo AF

5 Turn on Image Stabilizer

C.Fn-19-1:AF operates only while the AF stop button is pressed. While the button is pressed, AF operation with the camera is disabled.

C.Fn-19-2: When the button is pressed while metering is still active, AE lock takes effect. Convenient when you want to focus and meter separately.

C.Fn-19-3:In the manual focusing point selection mode, holding down the button switches to automatic focusing point selection (among 45 focusing points). Holding down the button switches from manual focusing point selection to automatic focusing point selection on the fly. Convenient when you are no longer able to focus track a moving subject with a manually-selected focusing point in the AI Servo AF mode.

In the automatic focusing point selection mode, holding down the button selects the center focusing point on the fly.

C.Fn-19-4: In the One-Shot AF mode, pressing the button switches to AI Servo AF mode only while the button is pressed. In the AI Servo AF mode, pressing the button switches to One-Shot AF mode only while the button is pressed. Convenient when you need to keep switching between

One-Shot AF and AI Servo AF for a subject which keeps moving and stopping.

C.Fn-19-5: With the lens’ IS switch already ON, the Image Stabilizer operates only while you press the button.

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