Rechargeable batteries will deteriorate over time. After periods of continuous use, they are unable to deliver a full charge, which means that the maximum number of images you may have been used to will decline. For the consumer and prosumer cameras, the batteries are small and relatively inexpensive. Replacing a battery doesn’t mean you have [...]

Okay, so you’ve got your new camera and lens, and you’re champing at the bit to take a picture. Now, I’m the last guy on Earth who’ll tell you not to read the instruction manual; today’s cameras have so many sophisticated controls and systems that you’ll actually be doing yourself a disfavor if you decide [...]

The reproduction quality of any image is ultimately tied to the number of pixels that comprise that image. Pixels, shorthand for “picture elements,” are present in the millions in all of Canon’s cameras, even their amateur snapshot cameras, as it takes a million pixels to equal 1 megapixel. Thus, a 16 megapixel sensor contains 16 [...]

Reciprocity is the rule that states that if, beginning with the correct shutter/aperture combination to yield a perfect exposure, the shutter speed is adjusted in one direction (faster, for example) and the aperture is adjusted correspondingly in the opposite direction (opened up, for this example), the exposure will be the same. Let’s say a correct [...]