Kodai Matsumoto is aĀ Service Technician at Nikon Professional ServicesĀ (NPS). In the video below, KodaiĀ demonstrates just how quickly he can disassemble aĀ Nikon D4, repair it,Ā and puts it back together in about 20 minutes. TheĀ Nikon Professional Services provides a fully maintenance serviceĀ and loansĀ equipmentĀ toĀ NikonĀ photographers at major events, likeĀ FINA, BCN2013Ā in Barcelona. via:Ā Gizmodo.com