152. Zeiss Anas-tigmat Objective of about85 millimeters equivalentfocus for photo-micro-graphs at a magnificationof 2 to 75 diameters. Ex-cellent results were ob-tained with this, and theother short focused anas-tigtnats. On the -wholethe results were more sat-isfactory when the lenswas used right… … ch. n/i.j PHO TO-MICROCRA PH }. 197 than for ordinary photography. The ordinary negative is liable tohave too much contrast, but this is rarely the case with photo-micro-graphs. Any good developer may be used. One can as a rule do nobetter than to follow the directions accompanying the plates…
Microscopy
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.