Traditional Culture Encyclopedia - Photography major - How to choose Nikon 300mm f4 340d magnifying glass?

How to choose Nikon 300mm f4 340d magnifying glass?

Nine focus points in the center of the autofocus module of Nikon's new models (such as D850 and D500) support F/8 focusing. Therefore, the F/4 lens can still use the 2X rangefinder with two-step aperture loss, but the focusing response speed will be slower. It is difficult to shoot birds. Generally, it is enough to shoot birds with D500 truncated fuselage 1.4X range extension. Nikon's second-generation rangefinder can support AF-S lens autofocus.