| smokin oakum |
| (Pooh-Bah) |
| 09/11/08 10:02 AM |
| Attachment |
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Re: Revolutionary new way of focusing! No less!
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Quote:
Does this look right? I used 315mm for my clear apeture, 85mm for the central obstuction, 1500mm for the focal length, 100 for the Bahtinov factor, 10 for the angled stripe count, and -1 for the angled stripe offset.
Neil
Well after I did the first design I thought about what you guys meant by "clear apeture" so I decided to measure the inner opening of my newt, and it came out to 339mm so I redesigned the Mask with those numbers, and came up with this...
Does it look right?
Neil