Photography sharing site 500px has finally added mobile uploads to its iOS app, answering one of the loudest feature requests among users. The app, billed as a way for professional photographers to showcase their work while on the move, had previously worked in browse-only mode, showing galleries and allowing for comments but no actual new content to be uploaded.
500px has added mobile uploads to its app. So it doesn't matter now whether it's a DSLR format for from your iPhone.