What is the difference between lenses on the Canon Rebel XTi?
The Canon Rebel XTi is a digital SLR (single-lens reflex), which means it has the ability to change lenses. The camera lenses have a variety of features that makes certain lenses more effective for different photography subjects.ZoomDifferent lenses have different zooming powers, meaning some lenses can capture a wide field of view, while others can zoom in to take pictures of subjects far away.ApertureThe aperture refers to how much light the lens lets reach the sensor in the Canon Rebel XTi. If you are going to take a lot of low light or indoor photography, you may want to spend the extra money to get a lens with a wider aperture.Image StabilizationSome Canon lenses offer a feature called image stabilization (IS) that minimizes the effects of your hands shaking while you take a photo. IS is only available on the higher quality lenses and can add a significant amount to the price tag.Image QualityCanon’s best lenses are signified with an “L” in the title. The “L” signifies the highest