I have long wondered whether the big sister to one of my favorite lenses, the El Nikkor APO 105mm f/5.6 has anything about it that makes it better. It is heavy as a brick (550 g, 19.4 oz.) and large. I finally found one and mounted it on the Cambo Actus, with a substituted 300 mm rail and bellows for the standard ones. This is a stacked, wide open, image using the Nikon D810, of some Iris past their prime. But I believe it clearly shows that this is a terrific lens for detail. I have been comparing it to the 210mm version of the AM-ED Nikkor, and it is definitely better overall, as is the smaller version. I see little interest in this, but someone must have wondered as I have about the quality of this large lens. And I am certainly shooting right through the middle of the lens at the best corrected part of the glass.
