Like all other types of batteries, Li-ion batteries will wear down over time, holding less and less charge. Apple says its laptop batteries will reach 80% of their original capacity after âup toâ 1000 full discharge cycles. Other manufacturers commonly rate their batteries 300 to 500 cycles.
A digital single-lens reflex camera (also called a digital SLR or DSLR) is a digital camera that combines the optics and the mechanisms of a single-lens reflex camera with a digital imaging sensor, as opposed to photographic film.
Digital cameras are increasingly popular electronic gadgets because they have become much easier to use and produce better pictures than ever before. Digital single lens reflex cameras, or DSLRs, are larger, more advanced cameras that allow a user to attach a wide variety of lenses to the camera body.