Alan Gordon Enterprises Blue Ring Gaffer's Glass #1056-GAFFBLUERI | eBay
Amazon.com : Alan Gordon Enterprises Blue Ring Gaffer's Glass : Electronics
Buy in India TRIGYN Optics 9-Stop Variable ND Gaffer Glass – Tanotis
M/27/Gaffer : r/EDC
The Film Book - The Gaffer also uses the 'Gaffer glass/pan glass' to look directly into the sun to monitor where the sun is in accordance with the clouds. They would be
Contrast Glass with Variable ND FaderLux Viewing Glass