Author Topic: My new 16 inch F3 Dobsonian  (Read 158 times)

Michael Greene

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Re: My new 16 inch F3 Dobsonian
« Reply #15 on: January 23, 2018, 03:41:57 AM »
Nice clean design. well done.

witchcycsuti

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Re: My new 16 inch F3 Dobsonian
« Reply #16 on: January 25, 2018, 09:25:51 PM »
Nice, well done. Looks really nice!

tingdermeli

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Re: My new 16 inch F3 Dobsonian
« Reply #17 on: January 26, 2018, 05:12:25 AM »
Thanks for posting. How big a secondary mirror you use?

Ryan Hernandez

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Re: My new 16 inch F3 Dobsonian
« Reply #18 on: January 31, 2018, 02:27:27 AM »
Quote
Thanks for posting. How big a secondary mirror you use?


Kevin, note from post #14 above the minor axis of the secondary is 120 mm, or 4.72". This is indeed large and fast!

falkwinsliche

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Re: My new 16 inch F3 Dobsonian
« Reply #19 on: February 03, 2018, 01:33:47 PM »
Quote
Quote

Thanks for posting. How big a secondary mirror you use?


Kevin, note from post #14 above the minor axis of the secondary is 120 mm, or 4.72". This is indeed large and fast!
Any ronchi pic of the F3 ?  Thanks