Butterfly

by Rodrigo

submit your photo


Hall of Fame
View past winners from this year

Please participate in Meta
and help us grow.

Optics is the science of light, and in photography often refers more specifically to to the properties and construction of lenses or the technical aspects of light sensors.

learn more… | top users | synonyms (1)

20
votes
4answers
3k views

What is focal length and how does it affect my photos?

What is focal-length? Are focal-length and zoom synonymous? How does the focal length of a photo affect it?