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.
The full frame digital SLR (which is most widely known as the Nikon FX format) is a Digital Single Lens Reflex camera (or a DSLR). It is fitted with an image sensor that is the same size of a standard 35 mm camera film frame.