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A couple of questions about modeling #APCC #Mach2GTO


Marcelo Figueroa
 

Since a few days ago I've been testing my Mach2 (fantastic machine, by the way) and I have a couple of doubts about the modeling:
 
1) How important is the focus, does it need to be precise or is something reasonably good enough?
 
2) What's the difference between a Medium Model Map and a Large Model Map? How much does tracking improve, how much longer can the exposures be with more points (without guiding of course)?

Thanks,