by ʇolɐǝz ǝɥʇ qoq

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There are special situations where MF will be more reliable, but most of the time AF is better: Lenses that are designed for AF are usually difficult to focus manually with great precision. The internal focusing mechanism is designed for AF speed, which means that small movement of the focusing ring makes relatively large difference in the focus plane. The ...


Strictly, to get "crisp results" they are both exactly equal and capable. Autofocus and manual focus both do the same thing -- bring the image into focus -- and by moving the glass they both do this the same way. It's really about the user, the camera, the conditions. Try using manual focus by simply racking back and forth and you'll get nowhere. Try using ...


There's no definitive answer to this. It depends on what your subject is and what the situation allows. If you're shooting still life or landscape from a tripod, you can switch to Live View, zoom in and use manual focus. If you're shooting sports or live music, there will be a lot of movement involved, so it won't be easy without continuous focus (AF-C).

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