The film looks as if someone threw sand into the lacquer film. To much air pressure can cause entrapment of air bubbles in the lacquer film. A raised bubble on surface of lacquer. Too heavy of a film build-up of lacquer at one time. Spray lighter coats.
Surface looks as if the lacquer boiled and remained grainy.
Lacquer and surface to be sprayed is too hot. When it is over 100 deg. F, it is best to stop and do something else. Film looks whitish, cloudy, or milky. Use air assist hot spray airless for clear lacquers in summer and winter.