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Bob Lambert
登録日: 2020.12.17 記事: 17
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日時: Tue Feb 23, 2021 12:03 pm 記事の件名: Understanding Analyzer camera rotation, az, and k2,k3,and,k4 |
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Hello SonotaCo,
Two questions:
1. My camera is oriented pointing at the zenith, north up as in the labeled image. After creating a profile in Analyzer, how does it get a rotation of 191.916 degrees and azimuth of 11.803 degrees? How are these measured? From where to where?
2. Should I have the k2, k3, and k4 boxes checked? How do I know what to do?
Camera is a Watec 910HX/RC, Theia SY125 A lens.
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: Sun Feb 28, 2021 10:31 am 記事の件名: Re: Understanding Analyzer camera rotation, az, and k2,k3,an |
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sorry for late answer.
az ev is the geographical direction of optical center on the FOV
optical center is the optical axis (center of the lens distortion)
rot is the FOV rotation of the horizontal line form the x axis of the image
195 degree is equal to -165 degree
it is almost same meaning as az when ev=90.0
check on the "Az" check box, and you will see the az ev coordinate lines
tune rot, az ev there. It will show their functions.
I recommend k4 k3 k2 all on for lens that have wider FOV than 90 degree.
The purpose is to correct aberrations well.
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最終編集者 SonotaCo [ Sun Feb 28, 2021 5:17 pm ], 編集回数 1 回 |
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Bob Lambert
登録日: 2020.12.17 記事: 17
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日時: Sun Feb 28, 2021 11:48 am 記事の件名: Understanding Analyzer camera rotation, az, and k2,k3,and,k4 |
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Thank you!
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