broken camera lens

accident accuracy aluminum apparatus background black board broken camera chip circuit clean cleaning close closeup cracked craft damaged defocused detail digital diode dirty disassembled dismantled dropped dslr dust dusting edge electronics equipment expertise fix fixing focus fotography glass gray image instrument knobs lens light manual mechanical metal mount number object objects old open optical optics part photo photographic photography pieces plastic precision professional reflection repair resistor restoration restore service smashed soldering spare steel still studio table technology tool white