rubidium Posted November 4, 2023 Share #1 Â Posted November 4, 2023 Advertisement (gone after registration) I was once fortunate to grab the elusive 13338 circular polarizer "drawer kit" for my 280mm f4.0 APO Telyt-R, but now I am noticing the start of delamination around the perimeter. At present, it doesen't appear to be impacting image quality, but I suspect the delamination will worsen over time. Within the mechanism is the odd-sized Serie 5.5 filter element, which is a size no longer supported by the likes of B+W or Heliopan, so it doesn't appear likely that I'll ever be able to replace the element with anything of comparable quality. Is there any recovery for a delaminated filter? Jim Link to post Share on other sites More sharing options...
Advertisement Posted November 4, 2023 Posted November 4, 2023 Hi rubidium, Take a look here Serie 5.5 circular pol with evidence of delamination. I'm sure you'll find what you were looking for!
jaapv Posted November 4, 2023 Share #2  Posted November 4, 2023 Yes. Replace the glass using a 36 mm donor filter. Link to post Share on other sites More sharing options...
rubidium Posted November 4, 2023 Author Share #3 Â Posted November 4, 2023 A 36mm donor? Did you perhaps mean 39mm? Link to post Share on other sites More sharing options...
jaapv Posted November 4, 2023 Share #4  Posted November 4, 2023  30 minutes ago, rubidium said: A 36mm donor? Did you perhaps mean 39mm? Yes I did. iPhone typo. 😡 Link to post Share on other sites More sharing options...
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