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Bob Lambert
登録日: 2020.12.17 記事: 17
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日時: Fri Jan 22, 2021 1:25 am 記事の件名: Analyzer fovh and camera name |
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Hello SonotaCo,
I have two questions about the Profile/Analyze tab. Our camera is a Watec 910 HX/RC, lens is a Theia SY125A.
1) According to Theia, our horizontal field of view with this lens/camera should be 137 degrees. But after creating our profile and lining scintillation mask with reference stars, the calculated field of view says 148.125 degrees. How can that be? Which number is correct?
2) Does it matter what information I put in the "cam" and "lens" fields? Will that information affect any settings, or are they just text fields?
Thank you!
Roger |
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SonotaCo Site Admin
登録日: 2004.08.07 記事: 12671 所在地: 139.67E 35.65N
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日時: Fri Jan 22, 2021 7:49 am 記事の件名: Re: Analyzer fovh and camera name |
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Bob Lambert wrote: | 1) According to Theia, our horizontal field of view with this lens/camera should be 137 degrees. But after creating our profile and lining scintillation mask with reference stars, the calculated field of view says 148.125 degrees. How can that be? Which number is correct? |
The difference may be the difference of definition. UA2 measures horizontal FOV size on the actual sensor size.
I don't know what Theia value means, if the matching of reference star is correct, you should use the "fovh" value obtained by UA2 for UA2 measurement.
Quote: | 2) Does it matter what information I put in the "cam" and "lens" fields? |
They are just comments that can be Super Imposed to the video by %I or %i setting of Format. |
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Bob Lambert
登録日: 2020.12.17 記事: 17
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日時: Sat Jan 23, 2021 6:48 am 記事の件名: Analyzer fovh and camera name |
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Thank you for the quick reply!
Regards,
Roger |
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