Quote:
Originally Posted by Gargoyle_Steve
Both 12" models have the same focal length, ie 1500mm.
My first dob was a 10", purchased a bit over a year ago from Andrew's and yes it had a centre spot, or rather it had a centre "ring" which I think is probably more useful than a spot.
I can't comment but I suspect that GSO themselves put it there, and if that is true then the Bintel ones should be the same. Someone who has recently purchased a Bintel dob should be able to comment on what kind of centre mark they have but I'd bet it's the same ring.
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My Bintel bought late last year had the doughnut ring centre spot.