Which focus is the best for 50,85 wedding photos?

Are you going to try it yourself or do you want to do wedding photography? If you want to play, use 50 shots. 85 people are very suitable for single shooting. However, if you want to do wedding photography, you must use a zoom lens. It's basically standard photography now. Fixed-focus lenses require many photographers to walk around changing lenses, which is not good for film. Now the studio is basically 24-70 interior, 24-70 exterior and 70-200 dual-camera dual-head shooting. Commercial wedding photography, speed and film production rate are the first, after all, to sell films.