On 26-10-2014 8:05, clipka wrote:
> Am 24.10.2014 22:16, schrieb Stephen:
>> On 24/10/2014 20:37, Le_Forgeron wrote:
>>> I have a patch for a stereoscopic camera in povray.
>>>
>> Interesting?
>>
>>> You have to consider a few things:
>>> * what is the distance between the centre of each "eye" ?
>>
>> Indeed! and what effect does increasing the distance have?* Some of my
>> reading suggests that for distance shots an extended baseline is
>> recommended.
>
> I consider that recommendation nonsense: Yes, long-distance shots with
> standard eye distance are problematic for 3D because they provide little
> to no 3D effect at all.
>

But, it is the reason why on goggles, the baseline /is/ extended. 
Consider also those military stereoscopic viewers. From my own 
experience with stereoscopic viewers used for aerial photographs, 
extending the baseline makes objects appear like billboards.

Thomas

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