step wedge

stouffer industries

Stouffer industries

The Stouffer TX Exposure Guide is used to pinpoint the proper exposure for B/W and color prints. From one test exposure, the user can select the best of the nine exposure patches that cover a range of 1 1/2 to 3 F-stops in 1/6 and 1/3 F-stop increments. A conversion chart indicates the proper exposure in seconds. Address: 922 So. Cleveland St., Mishawaka, IN 46544, USA Phone: 574-252-5772 Email: dbittner … Read more

Grey gamma on digital negatives 6b

When to use gray gamma 1.8 or 2.2 for digital negatives

Regardless of the workflow you use to make digital negatives, consistency is the key to achieving repeatable results. It’s worth questioning whether or not the original step wedge was made in gray gamma 1.8 or gray gamma 2.2.

8 bit step wedge

8 bit step wedge

Download the 8 bit step wedge free here to go with the digital negative system in Christina Z. Anderson’s book “Gum Printing and Other AMAZING Contact Printing Processes”.