Advice on a new lens

[skyline315]

Cool...I may go this route, but I'd still like to know a little more. I'm curious about how close I'll be able to get to a 1:1 perspective with these tubes...also, which of my lenses would be better suited for this kind of photography?

Kenko an ok brand? Idon't know a lot about them...

[Chunk]

Cool...I may go this route, but I'd still like to know a little more. I'm curious about how close I'll be able to get to a 1:1 perspective with these tubes...also, which of my lenses would be better suited for this kind of photography?

Kenko an ok brand? Idon't know a lot about them...

There are reviews in the teleconverter section of the review site.They are just hollow tubes that pass along the AF controls so there isn't an issue of glass quality. Here's a site with some comparison shots of different combinations.
http://www.toledo-bend.com/gallery/i...equest=ExtTube

[skyline315]

I went ahead and ordered the set from b&h. Now, the wait begins