Businesses in the photographic equipment category supply tools and accessories used to take, store and produce photographs. Their stock may include digital cameras, film cameras, lenses, flashes, tripods, filters, memory cards, batteries, camera bags and lighting equipment. Some also cater for specialist needs, such as studio photography, wildlife photography, video production or analogue film photography, with products suited to different levels of experience and types of use. Services can include advice on choosing compatible equipment, demonstrations, equipment hire, sensor cleaning and camera or lens repairs. Shops may also sell film and darkroom supplies, printers, photographic paper and storage products. Depending on the business, customers may be able to trade in or buy second-hand equipment, have images printed, or obtain help with setting up and maintaining photographic gear. Availability and services vary, particularly between general retailers and specialist suppliers.