What do the colored lines mean?

[thunderkyss]

View attachment 34432

The colored lines on this lens, I know they're trying to tell me something, but for the life of me....... I can't figure it out?

 

[480sparky]

Depth of field. It changes with the zoom. The colors match the f/stops.

 

[sleist]

The colored lines ... I know they're trying to tell me something, but for the life of me....... I can't figure it out?

Reminds me of the last time I dropped acid.