DSLR refers to SLR cameras that take digital photos and the few cameras left on the market still using film are simply called SLR cameras. There are more DSLRs available in the market so they tend to be cheaper. Film SLR cameras, on the other hand, offer slightly better quality of color, tone and contrast.
What Sells Best On Shutterstock?
Some types of photos that sell best are Portrait Photography, Food Photography, Landscapes (usually with people) and fine art photography (artsy).