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No solution yet.
Also, I am wandering if f/2 is really feasible at all, considering light pollution....
My f/4 Canon picks background glow after 10 sec of exposure.... in Ballarat I can go up to 1 minute (with LPF). That means F/2 will be there after 15sec. So, there is benefit in saving time.
Anyway, I will come back to this sometime in the future...
BTW, I just bought Nikon teleconverter.
Last edited by bojan; 19-08-2018 at 07:02 AM.
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