The Wünsche Mars 99 is a plate camera produced by the German maker Emil Wünsche, based in Reick near Dresden. It dates from the late 19th to early 20th century, when Wünsche supplied a range of wooden and folding plate cameras to the European market.

Auction evidence for the Mars 99 is thin: a single recorded UK saleroom result from 2003 hammered at £157, and there is no recent activity to establish what the camera is worth today. With only one data point, any current price guidance is provisional, and condition, completeness of the lens and shutter, and presence of original plate holders will heavily influence value when an example next sells for a similar sum.