I've been using a Canon MP-E 65mm lens on a Stackshot rail for quite a while and recently bought a Nikon microscope objective (CFI 10X/.025 plan achromat) to use on my 70-300mm zoom lens. It works beautifully at 8X, but not quite so hot at 10X. Can you suggest a good 200mm tube lens that I can use on my Canon DSLR without breaking the bank? So far, the cheapest 200mm prime I've found is the 200mm f/2.8L at just under $1000 in Canada.
I don't own it myself but judging by reviews and what I've seen shot with it, I'm happy to keep using a Componon 28 or JML 21.
I'd just like to say a huge thank you for this site. The wealth of information is superb. I have read a lot of the articles and just started with my first couple of EL Nikkors and a Componon lenses. This is the kind of macro I've always wanted to do but was restricted by the camera manufactures macro lenses. I have already given a friend the details of getting set up with a Nikkor EL50.
I'm very pleased with my first spider shots where an 8mm subject has very good resolution when viewed on my screen at 40cm long!, I found that just amazing.
A very steep learning curve, but a lot of fun ahead.