Quote:
Originally Posted by Gidders
My interpretation of the instruction manual is that the camera will select the apeture so that the DoF is sufficient so that the area covered by the focus indicators is sharp (and it seems to work on the odd occasion that I've tried it). This is always supposing that the range of adjustment of the lens/shutters speed is capable of doing so and delivering a correct exposure for the given ISO. It should be a 1 press ( 2 x 1/2 press I suppose) job with the camera doing the hard work and enabling the less lucky/skillful to achieve sharpness from front to back 
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Yes the area covered by the flashing points is in focus, but what if that is not the area you want? For example what if you want everything from 6feet to infinity to be in focus but the bottom focus point covers something 30 feet away. With type 1 you get the area you want or a flashing aperture value to tell that what you want is impossible. Thank you for you reply which I will keep thinking about.
John