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+--- Thread: Adding Optolong L quad filter (/showthread.php?tid=3270)
Adding Optolong L quad filter - mehensley123 - 2025-05-17
Hello, I am trying to add my Optolong L quad as one of my filters and am not certain of the format needed. What I have is below in a text file, and I am not specifically sure of the percentages. Any guidance would be greatly appreciated.
656.3 486.1
495.9 500.7
435.8 546.1 577 578.1
598 589.6 615.4 616.1
RE: Adding Optolong L quad filter - theskyhound - 2025-05-19
(2025-05-17, 12:02 PM)mehensley123 Wrote: Hello, I am trying to add my Optolong L quad as one of my filters and am not certain of the format needed. What I have is below in a text file, and I am not specifically sure of the percentages. Any guidance would be greatly appreciated.
656.3 486.1
495.9 500.7
435.8 546.1 577 578.1
598 589.6 615.4 616.1
Hello,
I discovered that I had the graph for this filter, but apparently hadn't digitized it yet. I went ahead and did that, and here it is:
optolong l-quad Enhance.txt (Size: 1.39 KB / Downloads: 5)