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Filters
Inbuilt colour correction means digital photography has done away with many filters that were once important. It’s still recommended to have a skylight or UV filter on every lens, mostly for physical protection. If it gets scratched a filter is a lot cheaper to replace than a whole lens. The other filter that many photographers, especially landscape photographers, still swear by is the polariser.
Carrying
You have to carry the camera somehow. Round your neck is fine on easy walks – until it rains. In the rucksack it’s well protected but inaccessible. The equation between accessibility and protection is different for every activity, so the best way of carrying the camera also varies; we’ll look at specific considerations for different activities.
Canyon, Hancock Gorge, Karijini National Park, Australia (Chiz) Some images (like this one, with a 20s exposure) will always need camera support
Care and cleaning
Much of care is prevention – carrying the camera in the right way, protecting it from impacts, splashes and so on. Changing lenses also requires care, especially in windy, rainy and dusty conditions. Cameras generally don’t require a lot of cleaning but when they do, use products designed for the purpose–especially on lenses and LCD screens. And don’t, ever, touch the reflex mirror of an SLR in any way.