ok, so i was reading rev's comments over on RC, and the comments of his helpers...and i got some thinking to do...
with the canon 100mm macro, things need to be pretty close to the glass in order to get a good shot without cropping it sounds like. my cube tank at home, is 24" deep...and theres alot of stuff in the back i would like to be able to get macro pics of.
i would obviously need to get some of those extendors...but was wondering how much quality i would lose in the picture, and how much "zoom" i would get from these extendors....i.e. is it really worth it?
shoot, by the time i get the cannon 100mm + the extension set...thats putting it at the price range of the Sigma 150mm.
so i guess what i'm asking, with a tank as deep as mine...should i just go for the Sigma 150mm macro?
also, i would like to replace my piece of crap kit lens that came with my cannon XTi. it actually came with a tiny *knick* on the inner most lens, but i didnt feel like going through the hassel of getting it exchanged etc...b/c i was going to the georgia aquarium in a week after i got the camera...and didnt want to be camera-less. that, and after testing it out the knick didnt seem to mess up the pictures any.
i would like something that can take good pictures of people standing 10feet away, as well as "sight seeing" type of pictures. just every day normal stuff like if you were on vacation. and of course other things like: if i visited an aquarium, or took regular pics of a friends tank or tank at a LFS, pictures of people and panoramic scenes if i went skiing etc.
oh yeah, another purpose for the "all purpose lens" is my girlfriends college graduation coming up in 2 weeks...
does BH ship pretty fast as long as everything is in stock? like, if i placed an order before monday morning, would it get to me by the end of the week?
Gary Parr and Ahuxman58 both use extension tubes with their macros. They swear by them so I would use one if it was me. Check some of the Photography threads at UF to see their shots. They are both real pros.