View Single Post
  #25  
Old 28th March 2020, 02:36 PM
John King John King is offline
Friend
 
Join Date: Nov 2012
Location: County Durham
Posts: 3,337
Default

Quote:
Originally Posted by JOReynolds View Post
Some years ago I did some detailed densitometry on MGlV RC and noted a kink in the curves around the mid-point (D=about 1.0) and assumed that it was my fault or an anomaly in the stepwedge. I recently spoke to David Abberley at Ilford, who volunteered that MGV removes the kink... And this was one of the intended improvements. I haven’t done any densitometry on the new emulsion.
The owner of Morco advised me that there was some difficulty in obtaining some of the chemicals that go to make up the emulsion of MG4v was also partly responsible for the reformulation and development of MG5
Reply With Quote