What equipment does portrait photography need?

1, camera (if it is a SLR, it needs a lens) 2, accessories (filter: polarized light, medium gray, UV, etc. ; Cable release; Spare battery; Memory card (digital camera); Film (film camera); External flash. ) 3, tripod and pan/tilt 4, if necessary, there are reflectors (preferably multicolor), photographic lights, background cloth (paper) and so on. 5, equipment care accessories: lens pen, lens water, lens paper, hair dryer, moistureproof box, etc.