Looks like reciprocals of sorts... 1/6... 1/12... of something...
On Oct 9, 2015 8:11 AM, "Andrew Davidhazy" <andpph@xxxxxxx> wrote:
Somebody asked me what the markings on this lens meant - suggestions?
Presumably they are f stops or light volume designations but the numbering systemis non-conventional at least to me. They double in value from step to step as onewould expect f numbers to allow double the amount of light to pass but I don’tremember having seen this particular sequence.
Andy
