tag:blogger.com,1999:blog-401164737462963207.post8108529843434778695..comments2024-03-28T00:14:10.834-07:00Comments on Ben Krasnow: Antique 4x5 camera creates 20 micron photolithography masksBen Krasnowhttp://www.blogger.com/profile/04234629396863486242noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-401164737462963207.post-40237153803695999912022-12-07T19:39:19.940-08:002022-12-07T19:39:19.940-08:00I would very much like to learn more about the sea...I would very much like to learn more about the sealing process you used to make the vacuum film holders. I'm about to make some for my own camera and am interested in how you sealed the light-tight slot where the dark slide inserts.Stephen Migolhttps://www.blogger.com/profile/15704689614660409737noreply@blogger.comtag:blogger.com,1999:blog-401164737462963207.post-17974512384300183912020-03-25T02:21:59.537-07:002020-03-25T02:21:59.537-07:00Just in case you can get to Germany: We have an ol...Just in case you can get to Germany: We have an old Black and White Photo Magnifier nobody uses. If you're interested, just contact meVguttmannhttps://www.blogger.com/profile/04907564632241289096noreply@blogger.com