My MartianCraft business partner, Rob, today released a new, very slick camera app called Pris. It's available on the App Store here, and you can read Rob's blog post introducing Pris' features and his motivation for writing it here.I don't normally do product announcements here, even for friends, but given the ordeal Rob went through with his last app, Briefs, which sat in review for over a year and was never approved for App Store sale, I wanted to get the word out about his new app, which (thankfully) made it through review with only one hiccup.There are a lot of camera apps, but Pris has been under development for a very long time and is pretty awesome. It gives you, for example, live feedback, including a realtime histogram, and precise control over focus and exposure. Pris...