Both fixed focus and zoom are needed. Fixed focus is used a lot, and there are many photos. However, sometimes it is necessary to push and pull the lens when shooting a video, but after all, it is a camera, and a little virtual focus is certain. You still don't need to zoom too much when shooting video.

Suggestion:

1, ultra wide-angle and medium telephoto zoom, medium telephoto and large aperture fixed focus (50 1.2 is highly recommended).

2, shooting video, the budget is not enough to use the lens of the deputy factory, but it must be a constant large aperture.

3. In order to minimize virtual focus, it is necessary to install a matching follow-up focus and use a special frame for video shooting.

Lens configuration suggestions:

1, rich to burn 16-35 F2.8, 70-200 F2.8, 50 F 1.2.

2. Slightly poor 17-40 F4, 70-200 F4, 50 F 1.2

3, no matter how bad, the same level of deputy factory, but must ensure a large aperture.