Yodobashi Camera in Shinjuku is split up into a bunch of different sub-stores, i.e. camera/darkroom stuff, phone/fax, audio/video/mobile. Here are pictures from the film store.
Update: link to a map of Yodobashi Camera
this is the spot for the cheap film, Centuria (in blue) is a good deal
all Portra all the time
Kodak Ilford and other random brands
digital print stations, these are common in train stations too
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