|An all aluminium 6-point cell is affixed to David's beautiful 17.5" mirror.|
This, and all my mirror cells, are designed and optimized with Plop.
|A beautiful 3.1" secondary on its holder. It'll be painted black|
to minimize unwanted light reflections.
|The "observatory grade" 3-vane spider and focuser bracket is|
in place and near completion for David's 17.5" telescope.