Canon EOS C70 Instruction Manual - Page 73
AF-Boosted MF, Continuous AF, About the autofocus AF functions
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Focus AF-Boosted MF In this focus mode, you can focus manually most of the way and let the camera finish focusing automatically. This is very convenient when you want to make certain that high-resolution clips (4K and higher) are in sharp focus. Additionally, with this mode, if the camera cannot evaluate how to adjust the focus, it will not perform unreliable 73 focus adjustments. This results in a more stable focusing operation overall than with continuous AF. 1 Set the focus mode on the lens to automatic (A 69). 2 Select > [v Camera Setup] > [AF Mode] > [AF-Boosted MF]. • When the focus is in the manual adjustment range, a yellow AF frame will appear on the screen. 3 If necessary, change the type and position of the AF frame (A 75). 4 Turn the focus ring to adjust the focus. • Focus manually to bring the subject closer into focus. When the focus enters the automatic adjustment range, the focus frame will turn white and the camera will then finish focusing automatically. • While the focus stays within the automatic adjustment range, the camera will keep the subject in focus automatically. Continuous AF The camera will focus automatically on a subject inside the main area of the image (approximately 80% of the screen's length and height). 1 Set the focus mode on the lens to automatic (A 69). 2 Select > [v Camera Setup] > [AF Mode] > [Continuous]. • A white AF frame will appear on the screen. • When you are using Face AF, a white detection frame will appear around the face of the person who has been determined to be the main subject. 3 If necessary, change the type and position of the AF frame (A 75). NOTES About the autofocus (AF) functions: • The point where the camera focuses may change slightly depending on shooting conditions, such as subject, brightness and zoom position. Check the focus before resuming shooting. • Autofocus may take longer in the following cases. - When the frame rate set in the video configuration is 29.97P, 25.00P, 24.00P or 23.98P. - With some lenses, the camera may take longer to focus automatically or may not be able to focus correctly. Visit your local Canon website for the latest information. • Depending on the lens, you can change various aspects of the autofocus function with the following settings. Visit your local Canon website for the latest information. - > [v Camera Setup] > [AF Speed] to set the AF speed (the speed at which the focus is adjusted) to one of 10 levels. - > [v Camera Setup] > [AF Response] to set the responsiveness of the autofocus function to one of 7 levels. - While using continuous AF, you can hold the ONE-SHOT AF button pressed down to temporarily adjust the focus using the maximum AF speed and AF response. This is helpful when you want to focus quickly after focus was lost or to keep a subject in focus while you follow it.