Nikkei published its 2018 digital camera market trends report yesterday, and the news is grim. While Canon, Fuji and Olympus all saw their global market share increase last year, total sales volume for digital cameras dropped by a whopping 22%. The story is perhaps rosiest for Canon, whose 40.5% market share represents an increase of 3.9% over 2017. Meanwhile, its closest competitors both saw market share drop, with Nikon logging 19.1% (a decrease of 2.7%) and Sony at 17.7% (a…