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.
For a compact camera, that might mean only shooting at ISO 100. For a DSLR, you might get away with ISO 400-800, or even higher on some recent models. If you shoot only at low ISOs, however, you will likely need a tripod or a flash for low-light photography.