Isn't it 1/400th of the focal length added to the visual focussing length to obtain the actinic in-focus position?
Example, 150mm lens - sharp visual focus at 147mm - actinic focus is at 147.375mm.
I am surprised more objectives didn't have the fixed built in adjustment lever that the Rodenstock Bistigmat had.
Last edited by Steven Tribe; 14-Oct-2010 at 11:56.
I was just joking with Eddie.
about the focusing. there's something here:
I the humble buyer received the mystery item today and when my week of family gathering ends I will dutyfully open and clean the lens and mount it ! I will let you guys informed of the improvement (can't be harder than trying to understand my daughter when she speaks her barbaric celtic)
Besides from the link posted here I think it's the later edition of objectif d'artiste, "le nouveau" ..
Would that be Breton, Manx, Irish, Welsh, Gaelic or Cornish (which would be a sensation!)?
Remember to send good photos til CCHarrison for soft lens update!