[geocentrism] Re: Comet Wild 2 photos

Dear Paul,
Turning them upside -down and changing left to right made all the difference to seeing a convex comet. The comet has a very pronounced bulge towards you. The way to view stereo photos without a stereo viewer is to stare with eyes unfocussed. Imagine that you are sitting in a comfy armchair not thinking about anything in particular and just staring. You will be aware that you you may feel that you are cross-eyed because you are seeing two images. This is because your eyes are looking ahead to infinity. This allows your eyes to be as far apart as they can be - the opposite to cross-eyed. Once you aware of being able to do this then all you need to then do is place your eyes far enough away for the two photos to be centred on your unfocussed eye centre line i.e. the distance between the centres of the photos need to match the distance between your eyes. The images of the comet are too large to view at your desk; you need to stand a least 4 - 5 feet away. The old Victorian viewer used two lenses to cause your eyes to be parallel. Does all this make sense Paul? 

Jack

Paul Deema wrote:

Jack L
As I drifted off to sleep after my post last night this thread, I realised that a 3D dual image wouldn't work at 90 or 270 deg rotation. I'm surprised you needed to do left-to-right after 180 deg rotate though. I can't get it to look like a 3D -- I can't get the images superimposed so I don't know what it would look like to me -- innie or outie. Just another one of life's little failures I guess. |[:-) 

Paul D


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