Someone on an amateur astronomy Facebook group has asked what this is, apparently it came with a second hand telescope. Does anyone have any ideas what it could have been used for?
Regards
James
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What is this?
Sun, 2017-08-06 15:41
#1
What is this?
I would guess this is an attachment to facilitate afocal photography? The two eyepiece clamps are placed differently with respect to the camera screw to allow different set-ups.