Just want to share exposure guide on lunar photography.
thin crescent f8 1/8s ISO100
wide crescent f8 1/30s ISO100
quarter phase f8 1/60s ISO100
gibbous f8 1/125s ISO100
full f8 1/250s ISO100
This is just the guideline, best exposure might be different.
Reference:
M. A. Covington, Astrophotography for the Amateur, 2nd Ed. Cambridge University Press, 2004.
For lunar photography, the Moon image size on camera sensor/film is based on actual focal length,
the Moon image size is around 0.78mm for 85mm lens, on full frame or APS-C sensor.