Hugin: Focal length: 14.907, multiplier 1.3 -> 89.28 degrees, but 
2*atan(0.5*(36/1.3)/14.907) = 85.77 

On Thursday, February 28, 2013 2:48:46 PM UTC+1, memecs wrote:
>
> Hi, 
>
> I am not understanding the way Hugin compute the HFOV based on focal 
> length, image aspect ratio and crop factor, just wondering if someone could 
> help.
>
> If I load an image 720x480 (aspect ratio equal to full-frame) focal length 
> 14mm and multiplier 1.3 I get HFOV: 89.5. However when I load an image 
> 5120x2700 enter focal length 14mm and crop factor 1.3 I get 92.87 deg. The 
> way I see it, the HFOV should stay the same and the VHOF should be changing?
>
> Best,
>

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