Originally Posted by
Drew Wiley
Ideally, you need real anti-Newton glass. I use it on BOTH sides of the negative. True constant flatness is absolutely necessary for my own applications. Original Durst AN glass in particular sizes is getting hard to find. And sorry, Neil, that Hillsborough source ran out of his less than ideal optically coated substitute two decades before he actually passed away. I've got all kinds of optically coated glass samples in my own experimental pile; and none of them does a sufficient job suppressing rings in this coastal climate. No problem however, even with my big custom neg carriers. I've recently used ScanTech in Los Angeles, who can cut their own excellent AN glass to any size necessary.
Both TMX and Delta are relatively slick sheet films, demanding in this respect. I work with TMax quite often.
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