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Originally Posted by Tanny
Thanks for that info John. I never knew there was anything like that equipment that you have illustrated. Now where do I get one of those watchermacallit attachments, not on Ebay I hope because I have no Bankcard. 
Yor'e right Adey, Digibinning is correct, but what the heck, I knew what I meant, and had never heard of any one else doing it. By the way I've read and admired all your work on this and the sister forum and wonder if you, being an expert, have any experiance with this method, and do you know of any literature on it, there must be some otherwise why the manufactured equipment that John has just illustrated.  |
Well, I did have a go at it but thought that I might need
three hands to make it a success! With a telescope mounted on a tripod you can concentrate on using the camera with both hands, but needing to hold the binoculars as well completely defeated me.
I don't know whether such a device exists but, somewhere along the line there may be a way of attaching a very small digicam to one eyepiece so that you can focus using the other - ie fit the camera to the right eyepiece then use the left-hand eyepiece at your right eye, if you see what I mean. It would probably have to be a home-made thing unless you could get a step-down ring small enough for the thread of the bin's eyecups on one end and a camera's filter-thread at the other.
Incidentally, on the theme of 'there's nothing new under the sun,' Zeiss used to make a version of their 8x30 (I think) monocular with a fitting for their Contarex or Contaflex SLR cameras back in the 1960s (and probably the 1950s as well). I've got a copy of the 'Leica Manual' dating from 1947 and it features an article on taking a photo of the moon with a Leica rangefinder camera held against a (Zeiss!) telescope - the accompanying photo was taken in 1935 so if anyone of today's upstarts tries to claim to be a pioneer of the method just pat them gently on the head and tell them to 'run along home, sonny!'