Telephoto Lenses Telephoto lenses, also called Zoom lenses, have a number of characteristics. They are flexible for varied situations, such as events. In a fast moving arena, you may need the reach of a telephoto lens to get a particular shot, and then shortly afterwards, need a wide-angle lens to capture a group of people. There's no need to keep changing lenses as the … [Read more...] about Telephoto vs. Prime Lenses
Crop-sensor and full frame
Crop Sensor vs. Full Frame
Full frame cameras are those whose sensor size is designed to be like a 35mm film camera. Film cameras had an opening of 24x36mm, and that was it. A full frame camera has a sensor size of about 24x36mm. Crop sensor cameras have smaller sensors. There is a ratio - called a crop factor - that varies among camera manufacturers, of the sensor to the "full frame" size. For … [Read more...] about Crop Sensor vs. Full Frame