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| subject: | Re: ATM Reverse Barlow lens |
From: "Marco Miglionico"
To: "Paul Cousoulis" ,
Reply-To: "Marco Miglionico"
A focal reducer (you normally see them used in SCT's) Meade 4000 series
would reduce f10 to f6.3. They are normally used in photographic / CCD
applications.
Marco.
----- Original Message -----
From: Paul Cousoulis
To:
Sent: Wednesday, March 19, 2003 8:50 PM Subject: ATM Reverse Barlow lens
>
>
> Is there any such thing as a reverse barlow lens? Something that would
> make an 18mm eyepiece work like a 36mm eyepiece?
>
> Thanks
> Paul
>
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