Minna Camera , a popular marketplace app where photographers can buy and sell cameras and lenses, has published its transaction data for April , and a beloved old DSLR proved the most popular used camera of all. Although it was released back in 2014, years before Nikon transitioned to its full-frame Nikon Z system, the Nikon D750 DSLR was the most used camera last month on Minna Camera. It’s not that DSLRs in general were super popular among photographers last month on Minna Camera, either, as it was the only DSLR to make the top 10 list of best-selling used cameras. For those who were around the photo industry when Nikon released the D750 nearly 12 years ago, its lasting appeal is perhaps not too surprising. For those who weren’t, the D750 was a smash hit when it arrived. The 24-megapixel full-frame camera offered enthusiasts professional-level performance at a relatively aggressive price of $2,300 at the time. These days, the D750 is, of course, much cheaper than that.…