Originally Posted by Weebl
I guess the 500 combo is a 1:1 macro?
Not exactly. With a 25mm extension tube and a 2.0X TC I can get around .5 magnification, from around 12-feet. It's great with big bugs, little birds and little mammals. I suppose if I stack another ET and stack another TC, I could approach 1:1.
What you're seeing here is the magic of 1,000mm, resulting from the 500mm plus the 2.0X TC-III. The angle of view is only a few degrees, but I still cropped a little from 20 or 25-feet.