Why Hoyarex filters are often scratched

The Hoyarex filter system was really good: high quality filters.. Great variety of options in the range. Some glass filters. Solid holder. And a really useful rubber hood. But the Hoyarex System had a big flaw! And that has become evident over the years as more and more filters become scratched. It’s not due to …

How to process scanned colour negatives

In the last article we showed you how to make a custom slide duplicator for 35mm negatives and transparencies. And the first problem you will encounter when you start scanning your colour negatives  is how to convert the result to a positive digital file. When you use a proper film scanner it has built in …