One point that is worth noting is that light meters cannot see color. They deliver every scene as 18% middle gray and become accustomed to exposure accordingly. And most digital cameras will allows a photographer to compensate exposure by 1 to 2 EV plus or minus in 1/3 or 1/2 stop increments. A very important realization for any photographer is that right exposure is only "correct" in eye of photographer; Exposure Value compensation can also be used as a creative tool.

With this information available to users of digital camera, knowledge of digital camera exposure as well as digital camera exposure compensation becomes. But it is only knowledge, proper acquiring of whole feel comes only from personal experience.

Now discussing auto focus and auto exposure lock (AE/AF) a bit more in detail. The shutter release button on a digital camera has more function than just snap a cool picture. The users have to grab a technique where he or she has to depress this shutter release button half way down thereby locking both auto exposure and auto focus. This enables users or photographers to have more control on exposure in difficult lighting situations while using digital camera. Moreover, this entire process also helps him or her to determine where camera focuses. Like if photographer intends to set exposure before composing final shot of photograph then he or she can move digital camera slightly so that only subject to be photographed is visible prominently in auto focus frame in viewfinder. As a next step he or she can depress shutter-release button down half way to set focus and exposure and then recompose picture and finally completely depress button in order to capture and freeze moment of time! It is to be noted here that auto focus and auto exposure lock (AE/AF) is available in all photography modes of digital cameras that are nowadays available for general people.

Not much remains to be discussed about this particular topic of auto focus/auto exposure and a brief discussion as above is enough to reveal a bounty of information regarding this fantastic feature of digital cameras. At end of this discussion it can be expected that both novice and expert photographers and user of digital camera would benefit from whatever has been revealed and effort to bring out human mind from dark oblivion about auto focus and auto exposure lock would be a success in magic light of digital camera!