<https://stargazerslounge.com/topic/82057-low-profile-focuser/#comment-800198>
<http://schema.org/text>
"I think the main advantage is that you can push the secondary further away from the primary, and then maybe have a smaller secondary too. You may also prevent vignetting.  If you run a few tests with Newt it should show what difference you could expect. /callump \n"
<https://stargazerslounge.com/topic/82057-low-profile-focuser/>