I have a step down ring for 72-52 that I bought from camerafilters.com.
Originally Posted by Gerald Koch
But I am not averse to using multiple step up rings if I can find any in the right size.
Dan, I am just trying out the Wollensak because I picked it up really cheap. I'm looking out for the Ektar and will get one if I find a good price.
Originally Posted by Dan Fromm
Where do you get your extension rings from. Most of the ones I see online are for common 35mm sizes approx 40mm upward to 80 and more. If I could get a set of step ups that go from about 20mm all the way upto 52mm, it would make life much simpler in terms of trying out odd lenses reversed!