Re: Protostar curved secondary holders
- From: "Bill Cotten" <bill_cottenREMOVETHIS@xxxxxxxxxxxxxxxxxx>
- Date: Fri, 17 Jun 2005 09:23:47 -0700
"Bill Cotten" <bill_cottenREMOVETHIS@xxxxxxxxxxxxxxxxxx> wrote in message
news:Go2dnYKm4MtXojPfRVn-jg@xxxxxxxxxxxxxx
> Hi all,
> I'm looking for opinions and user reports of the Protostar curved vane
> secondary holders. I'm building an 8" f/6 with a round fiberglass tube and
> a wall thickness of 1/8".
>
> I have used a Protostar 3-vane spider in the past and would definitely use
> one again based on it's quality and ability to hold collimation even after
> years of transporting the scope.
Hi all,
Thanks for the responses. Based on what I've read here, elsewhere and
experience, I'll use a 3 vane Protstar for the new scope. At f/6 it will be
used more for deep sky. I'll stick with an 8" f/8 Cave Astrola for planetary
viewing.
Bill Cotten
.
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- Protostar curved secondary holders
- From: Bill Cotten
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