I’m pretty wary of straight ahead technical articles for Walkhighlands, but after chatting to friends on and off the hill, it’s apparent that lots of folk have incredibly powerful, modern cameras but don’t always know their way around the controls. The tech-talk is a bit dry on its own and covered elsewhere on the web, but decisions on which dial to reach for and when are definitely worth a look in an outdoors context. First though, set your camera to M for manual. Let’s look at the holy trinity: Shutter Speed, Aperture and ISO – the 3 cardinal points of…