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.
Difference Between DSLR and Digital Camera. One of the major difference is that SLR, Single Lens Reflex has pentaprism and mirror which reflects lens image back to the viewfinder. In simple words, you will capture exact image, which you can see through the Viewfinder of SLR Camera.