Originally Posted by

**Ian C**
There’s no advantage in using an 80mm WA enlarging lens compared to a standard 80mm enlarging lens on the 6 x 6cm or the 6 x 7cm format (most modern 80mm lenses fully cover the 6 x 7cm format) at magnifications not exceeding 10X (roughly corresponding to a 21.8” x 21.8” projection of the 6 x 6cm negative).

Standard 80mm lenses are usually rated 2X-6X(optimum)-10X, while an 80mm WA lens is intended for 4X-8X(optimum)-15X. These are Rodagon and Rodagon WA ratings. The Schneider ratings should be similar.