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Re: [ATM] F10 Achromat

To: atm <atm@atmlist.net>
Subject: Re: [ATM] F10 Achromat
From: Bill Marriott <bmarriott@pacbell.net>
Date: Mon, 14 Mar 2005 11:29:12 -0800
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Hello;

I have a 6" project with the same glass, and am going with f15, to keep 
the color level as low as possible. I think you may find that f10 just 
does not no it.

Just my opinion

Bill Marriott


aneves@snowsoft.biz wrote:

> Hi,
> 
> I am in the process of building a 7" Achromat (Bk7, F2). Would a focal ratio of F10, give too much cromatic aberation? I am trying to decided between an F10 or F12. I would like to try the F10, but if performance is to be too poor, I will make it F12.
> Can anyone give me some advice.
> 
> Regards,
> 
> Alfredo
> 
>  
> _______________________________________________
> ATM mailing list http://www.atmlist.net/
> 

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References:
- [ATM] F10 Achromat
  - From: aneves@snowsoft.biz

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