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That's what mine was for Warren. Tonight I may check out the correct focal point of the D810 on the same target (one day later) if the sky clears, a little cloud around at the moment and strong-ish wind which has been dropping off early evenings. Soon it will be way too windy here.
I think the higher stacked frame count puts clearer detail in the first image. Enlarged the rastor lines are more obvious on the second.
The moon is a great target for obtaining near accurate focus because it's bright and easy to find even with a standard tripod and also fast exposure times. The gear-head actually makes it easier than the ball-head too.
Oh, I'll grind a new pin for you tomorrow, 0.05mm longer?
Last edited by Leo.G; 06-04-2025 at 04:17 PM.
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