Hypercat has been published in the third edition of The Darkroom Cookbook, by Steve Anchell, thanks to editor, Mark Booth. I'm honored to have my formula included in this indispensable darkroom reference book.
This is a forum for users and potential users of Hypercat, a catechol-based tanning/staining developer with very special properties. Hypercat is the acutance-freak's dream developer. If you're interested in making negatives so sharp you have to handle them with filet gloves, Join us!