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|Why focal length is should be 40 mm?
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|Author:||vrdevel [ Mon Jul 11, 2016 3:10 pm ]|
|Post subject:||Why focal length is should be 40 mm?|
I want to make my own HMD smaller.
To achieve it, i should make Focal lenght less than 40mm.
I tried 25mm Focal length with 6" display and it seems fine, coz i can see everything on display, no cutting.
So, is there any formula or rule that it should be not less than 40mm?
|Author:||AdamMunich [ Tue Oct 11, 2016 6:16 pm ]|
|Post subject:||Re: Why focal length is should be 40 mm?|
It is difficult for most people to focus their eyes with lengths < 40mm.
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