234k views
5 votes
What’s the focal length of the lens?

What’s the focal length of the lens?-example-1
User Dimitar K
by
5.0k points

2 Answers

3 votes
The focal length of the lens is the distance between the lens and the image sensor when the subject is in focus, usually stated in millimeters (e.g., 28 mm, 50 mm, or 100 mm). In the case of zoom lenses, both the minimum and maximum focal lengths are stated, for example 18–55 mm.
User Julien Vivenot
by
5.3k points
4 votes

Answer:

The focal length of the lens is the distance between the lens and the image sensor when the subject is in focus, usually stated in millimeters (e.g., 28 mm, 50 mm, or 100 mm).

Step-by-step explanation:

User Justasm
by
6.1k points