Well, "I suppose it might help in some situations" and "the lens is probably going to work well anyway" do not, in my opinion, suggest that it would...
This is helpful. Thanks SergeyT. I purchased Lightroom 3 years ago but did not truly give it, its due. I gave up too early. The NLP program seems to...
Well, not necessarily, it depends on the lens design. The failure mode would be that for high field angles, the light doesn't get out of Lens 1 into...
This method of tiny spacers at the edge was used by early telescope objective makers. I have discovered them when renovating some about 10 years ago....
I've seen these advertised on eBay a few times...they seem to be a straight out counterfeit of the Bron ones. Do you have a genuine one to compare it...