Tagged Questions
-1
votes
1answer
193 views
Below which focal length are lenses considered to be wide angle?
Focal length is the only factor that decides whether a lens is described as being normal or wide angle.
Below which focal length are lenses considered to be wide angle? Is this focal length the same ...
7
votes
2answers
2k views
What are the advantages of a lens having a fixed maximum aperture?
What are the advantages of a lens having a Fixed Maximum Aperture? Previous answers have indicated that "pros tend to want constant apertures in zoom lenses".
While in general lenses with a fixed ...
12
votes
4answers
3k views
How can a lens like a 18-55mm have more than one focal length?
How can a lens have a range of focal lengths? Shouldn't it be a single number?
Isn't focal length supposed to be fixed for a lens of a particular shape and geometry?
What am I missing?
How many ...
