Hi , here is a couple of shots from this last week taken of the moon in its waning phases .The last was 3am this morning after work ISO 400 1/4 second .
I hear all the time that the lowely old Achromat is no good for AP , well I disagree as these shots show .
Zero CA , super sharp , very dark background .
Taken prime focus with my Istar 127mm f8 Achromat , sony alpha 200 DSLR , zero work on these just straight out of my camera into my computer and posted here .
Replies welcome

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Brian.