<https://stargazerslounge.com/topic/82057-low-profile-focuser/#comment-800763>
<http://schema.org/text>
"Cheers mate, that helps a lot. With the 3\" secondary, doesn't that present a larger contrast reducing obstruction and if so would that be reason enough to go for the 2.4\" and a lower focuser? \n"
<https://stargazerslounge.com/topic/82057-low-profile-focuser/>