5
Using Lenses Effectively
Extreme wide-angle lenses permit shooting from the top of Chapel Falls which is an unusual and pleasing viewpoint.
HOW LENSES WORK
Lenses focus and direct the light to the imaging sensor. Since there is a bewildering number of lenses being made today, deciding what lenses to purchase is a problem for most of us. However, once you know what to look for, having many choices makes it easier to buy lenses that match your needs and budget.
FOCAL LENGTH
All lenses have a focal length which is defined as the distance between the optical center of the lens and the sensor when the lens is focused at infinity. This distance ...
Get Digital Nature Photography now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
