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Thanks for the detailed reply Daniel (and quicker than I thought I'd get a response too)
The talk is for something between 40 mins and 1 hour.
On the collimation/alignment...I plan on actually pulling apart my broken cheap Dick Smith Digitors after the talk and pull of rubber to show collimation screws. I'll have some of my binocs on hand to show what I mean as well. But really my only point including that slide is to let people know they don't have to throw away binocs if they're badly collimated (which is what I had traditionally been told)
Do you happen to have a link to cheap Japanese binocs?
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