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...which would give a little over 1 degree with 35mm panoptics

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I'd just like to point out that it probably isn't practical to consider EPs like the 35mm Panoptic. That EP has an ouside diameter of about 37mm - so two of them would have a minimum IPD of 74mm and that's with no space between the eyepieces for other things - like a nose. I suspect that's why I've never seen a bino-viewer for 2" eyepieces. I think that would mean that you'd be limited to, say, a 32mm focal length with a Plossl like field of view - the maximum for a 1 1/4" eyepiece.

So, I'd have to agree with Joad, that it's probably not practical to get a binocular-like view out of these.

- Art

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http://www.siebertoptics.com/SiebertOptics-2inchbinoviewers.html

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Etch-O-Sketch and an eraser. Although....the eraser dosn't work

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