<https://stargazerslounge.com/topic/82057-low-profile-focuser/#comment-800577>
<http://schema.org/text>
"It's F5 I've had a go with the Mel Bartel program and I used the dimensions I have at the moment, trouble Is I don't really know if the results are good or not. \n"
<https://stargazerslounge.com/topic/82057-low-profile-focuser/>