Saturday, August 15, 2020

And More on Al's 16" F4 ...

Al's beautiful 16" F4 primary mirror. I've put a "donut" onto the center
for easy collimation. The spider is an "observatory grade" heavy-duty
unit from Destiny with a Feathertouch focuser.

The custom mirror cover in place. It's now time to "test" the strut lengths.

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