(meteorobs) RE: meteorobs-digest V1 #403

• To: 'meteor observers' <meteorobs@latrade.com>
• Subject: (meteorobs) RE: meteorobs-digest V1 #403
• From: "Fuerst, Robert C. (Chris)" <FUEC0@towanda.sylvania.com>
• Date: Sat, 15 Mar 97 04:16:00 PST
• Encoding: 24 TEXT
• Reply-To: meteorobs@latrade.com
• Sender: owner-meteorobs

 ----------
From: owner-meteorobs-digest@latrade.com
To: meteorobs-digest@latrade.com
Subject: meteorobs-digest V1 #403
Date: Saturday, March 15, 1997 2:00AM

Ed Writes:

 I would like to find a large grating, at least 4" X 4" for this lens, but 
so far I haven't been able to find one.  A new grating of this size is very 
expensive, around $2000:00 US.  Do you know where I could find a high 
quality grating of this size but at reasonable cost?  Let me know if you do!

     Ed,

          If you explain exactly what "grating" it is your looking for, 
maybe some of us could help.  CCD grating?, diffraction? etc.  Materials of 
construction would also be useful as maybe there is something else that 
could work out for you!

                              Thanks,
                                   1st

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