It is generally also understood that a low f ratio is "easy" to image with and definitley "woose" territory. That is, "slow" f ratios, 9 and more, are what astrophograhpy is all about, hard and interesting. Zoomed in, is where its at.........man. I mean, aint that what telescopes are for
, no brainer.
Beware charitans that use "fast" f6 or less scopes, you will lose your self in boring done-that widefield rubbish that pollutes our LCDs and dillutes the pure pursuit that is true "deep sky" astrophotography
