
Wanted: 8" D-ERF filter
Wanted: 8" D-ERF filter
Max 1500$/1300 Euro/1150£ mounted + shipping. Would be nice with a tri-band filter, but less will do. Send me a PM 

Re: Wanted: 8" D-ERF filter
Personal mesage has been sent.
"Solar H alpha activity is the most dynamic and compelling thing you can see in a telescope, so spend accordingly." (c) Bob Yoesle.
Largest full size 185 - 356mm Dielectric Energy Rejection Filters (D-ERF) by ARIES Instruments.
Largest full size 185 - 356mm Dielectric Energy Rejection Filters (D-ERF) by ARIES Instruments.
Re: Wanted: 8" D-ERF filter
"Solar H alpha activity is the most dynamic and compelling thing you can see in a telescope, so spend accordingly." (c) Bob Yoesle.
Largest full size 185 - 356mm Dielectric Energy Rejection Filters (D-ERF) by ARIES Instruments.
Largest full size 185 - 356mm Dielectric Energy Rejection Filters (D-ERF) by ARIES Instruments.
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