The retrospective 20 in slate blue by think tank is a minimalistic shoulder bag in an old school style designed to fit a gripped dslr with a 300mm f28 lens attached plus a flash and additional accessories it has collapsible interior pockets and an expandable front pocket for a tablet of up to 10 in size for your safety the hook and loop fastenings have a unique sound silencing function and the bag not only has a water repellent coating but also comes with a seam sealed rain cover comf