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Browse Products from $50 - $100 / Schüler Filters

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1.25' photometric IR (infrared) pass filter
 
Schüler - 1.25" photometric IR (infrared) pass filter 
Our Product #:  SIR1

Back-Ordered: Temporarily out of stock; will charge and ship when available.
This Schüler IR (infrared) 1.25” filter is helpful by itself for timing the secondary minima of Algol-type eclipsing binaries and possibly in imaging the IR afterglow of GRB events . . .

[ More details . . . ] 
$79.00



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1.25' photometric/CCD B (blue) filter
 
Schüler - 1.25" photometric/CCD B (blue) filter 
Our Product #:  SB1

Back-Ordered: Temporarily out of stock; will charge and ship when available.
This Schüler B (blue) 1.25” filter is helpful when making magnitude measurements of cataclysmic variable stars that tend to be bright in blue, especially when in outburst . . .

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$89.00



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Toll-Free Telephone Astronomics: 800-422-7876; Christophers, Ltd.: 800-356-6603
Alternate Telephone: 405-364-0858 24 Hour Fax Line: 405-447-3337

Telephone Hours: Monday-Friday 8 AM - 9 PM CST
Saturday Noon - 5 PM CST

Store Hours: Monday-Friday 9 AM - 5 PM CST
Saturday Noon - 5 PM CST

Astronomics / Christophers, Ltd.
680 S.W. 24th Ave.
Norman, OK, 73069


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