Tag: spot focus
More Canon 7D Auto Focus Goodies
by Lee on Aug.18, 2010, under Articles, Composition, gear
Spot and Expanded AF Points
These two features seem diametrically opposed in terms of usefulness. Spot AF is an extra small AF Point inside a normal AF Point while AF Point Expansion increases the size of the AF Point by selecting points around it.
As seen in the above left photo, Spot AF uses a smaller area inside the normal AF Point. The actual Spot AF Point is actually a bit larger than the small box but stll smaller then the large box (did I just write that?).
As you can imagine, that tiny AF area can be handy for macro photography. How many times have you tried to focus on a very tiny detail but couldn’t be sure you got it until the photo was on the screen? Click to read more
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