How to focus at 9 o'clock, 2 1 point and 5 1 point of Nikon D7200 SLR camera? What the hell are you filming?

Whether it is 9 o'clock, 2 1 point, or 5 1 point, it is essentially the same as the central single point, except that after adding more peripheral points, the auxiliary focus can make the focus faster.

This assistant should also choose 9 o'clock, 2 1 point or 5 1 point reasonably according to different subjects, and the difference is generally not very big.

SLR cameras (SLR cameras) are also called SLR cameras. It is a camera that uses a single lens and reflects the view through this lens.

The so-called "single lens" means that the photographic exposure light path and the framing light path * * * use one lens, unlike the paraxial camera or the double-reflex camera, the framing light path has an independent lens. "Reflection" means that a plane mirror in the camera separates the two light paths: when the mirror falls during framing, it reflects the light of the lens to the pentaprism and then to the framing window; Quickly lift the mirror when shooting, and the light can shine on the photosensitive element CMOS or CCD.

Therefore, the 9: 00, 2 1, 5 1 focusing of Nikon D7200 SLR camera is of little use. Multi-focus can only be reflected by the lens of ultrasonic motor, which can realize fast follow-up focusing and has no obvious influence on pullover. Moreover, AF-A and AF-C only select the focus mode at a time, and do not select the mode.