Used very good.
Understanding exactly how a digital SLR (dSLR) works can help you use its exciting capabilities to their fullest potential. Whether you aim to become a serious photo hobbyist, are interested in turning pro, or want to take advantage of the improved control that dSLRs give you over your photography, this fun and friendly reference will show you how to maximize everything a dSLR has to offer so that you can improve your photography...