Focus On how to get a sharp picture. Outline Focus mechanism Focus type Focus drive Final notes.

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Presentation transcript:

Focus On how to get a sharp picture

Outline Focus mechanism Focus type Focus drive Final notes

Focus mechanism Sensor o Phase detection o Contrast measurement Control system Motor o Internal o external

Focus type Manual Auto o Single point o Auto point detection Caution: Not all lenses are all-time focus

Focus drive Single shot (AF-S) Al-servo (AF-C) Al-focus (AF-A)

Final notes DEPTH and DIFFICULTY of Focus: DOF Hyper focal distance Sharpness is not only dependent on the focus o Shutter speed o Lens quality at different appertures