Does anybody have a precise idea of the field of view either diagonal or horizontal in wide mode underwater?
Hero 2 Field of view Flat port OEM housing
- Thread starter Interceptor121
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I believe that it is 170 degrees as the wide default. It can be changed to 2 more narrow view when you change the resolution to 1080 but the manual doesnt say what degree the narrower views are.
OP
hi Byrdie
I know that is 170 on land but when you put it in water it reduces, I was wondering if anyone knows what is the field of view underwater?
I know that is 170 on land but when you put it in water it reduces, I was wondering if anyone knows what is the field of view underwater?
inka
Contributor
From what i have read in another forum, it is around 90 - 95° no more.
OP
Inka is that horizontal field of view? That is still pretty wide actually
inka
Contributor
Yes, horizontal. There is a custom housing, made by Subspace, with a dome instead of the flat port, given for 127°>
Plongimage - Caisson Go-Pro optique Subspace pour HD1 et HD2
OP
Ok makes sense. I did some tests myself and I had the impression it was the same of my wet lens on the camera now I know it is the same in fact!!
Thank you
Thank you
flareside
Contributor
Basic rule of thumb is that water reduces the view by 25%. In air, the view on the HD2 was approximately 120°x90° in 4:3 modes and 120°x68° in 16:9 modes which reduces to 90°x68° and 90°x51° respectively. The Hero3 will be few degrees wider as the flat lens housing doesn't have a reducing effect on the view like the old dome housing lens did.
OP
I thought in air the Hero2 is 170 in fact it does look like 170 at first glance. Anyway I will do some proper tests tonight in the pool to check it out
flareside
Contributor
The 170° measurement is based on the diagonal width and that is specifically related to the camera lens. The sensor doesn't quite collect the entire image provided by the lens and the bubble lens of the hero2 housing also reduces the total image angle a slight bit reducing the actual image to around 165°
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