I often debate over which lens is my favorite this on or my Industar 50 (collapsible).
I like the 50 for it's sexy and compact look. I like the 61LD for its detail, contrast, image quality. Most of all, it's the only lens that I have (even compared to modern ones) that seems to prevent chromatic aberrations especially when one uses a digital camera body.
Rating: [5 of 5 Stars!]