Originally posted by maxelkacemi What if you are using a manual zoom lens? As an example i'm using a 80-200 manual zoom lens. The setting on my k-r only allow you to choose one length setting examply 28, 35, 50 and so on? does this affect anything when zoom from 200 back to 80 or is there a better way of doing this?
This question comes up all the time, and the answers are as variable as the number of posts.
You can set it to the focal length you are using each time you change, you can set it at minimum, so the shortest focal lengths are correct and longer are under compensated, or to the median, so the average error in compensation is minimized if you a constantly changing focal length.
Figure out how you shoot and pick one