Is there a method/purpose to the specific labeling of focal lenths on zoom lenses.
For instance: on my efs 15-85mm the lengths are markedon the lens as 15, 24, 35, 50, 70, 85.
Why aren't lenses marked with even zoom intervals?
thanks!
Is there a method/purpose to the specific labeling of focal lenths on zoom lenses.
For instance: on my efs 15-85mm the lengths are markedon the lens as 15, 24, 35, 50, 70, 85.
Why aren't lenses marked with even zoom intervals?
thanks!