New Macro Lens?

[Kombi]

When you say max distance do you mean max focusing distance? ie I'd need to be closer?

yes Maximum focusing distance- you can focus on something about 5-6' away but almost everything beyond the would be out of focus.

It attaches like a lens, then you attach your lens.

some quick samples
With 25mm extension @ 55mm - about 4" away

@100 - about 12" away

@250 - about 3'

@250 - about 6'