If you have one for sale, let me know.
Valery.
Need a LS50-FHa etalon, not the DS unit.
- Valery
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Need a LS50-FHa etalon, not the DS unit.
"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.
- swisswalter
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Re: Need a LS50-FHa etalon, not the DS unit.
Hi Valery
the LS50 works as double stack unit on a Lunt 60 as well as a stand alone Etalon together with a blocking filter on different refractors
the LS50 works as double stack unit on a Lunt 60 as well as a stand alone Etalon together with a blocking filter on different refractors
Only stardust in the wind, some fine and some less fine scopes, filters and adapters as well. Switzerland 47 N, 9 E, in the heart of EUROPE
from 7 am - 7 pm http://www.nanosys.ch
from 7.01 pm - 6.59 am http://www.wastronomiko.com some times vice versa
from 7 am - 7 pm http://www.nanosys.ch
from 7.01 pm - 6.59 am http://www.wastronomiko.com some times vice versa
- Valery
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Re: Need a LS50-FHa etalon, not the DS unit.
I know, I know. But I need a standard LS50FHa better circa 2007-2008 year, not the LS50FHa which sells as a DS unit.swisswalter wrote:Hi Valery
the LS50 works as double stack unit on a Lunt 60 as well as a stand alone Etalon together with a blocking filter on different refractors
Valery.
"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.
- swisswalter
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Re: Need a LS50-FHa etalon, not the DS unit.
Hi Valery
Sorry I can't follow you. Maybe a pic helps
Sorry I can't follow you. Maybe a pic helps
Only stardust in the wind, some fine and some less fine scopes, filters and adapters as well. Switzerland 47 N, 9 E, in the heart of EUROPE
from 7 am - 7 pm http://www.nanosys.ch
from 7.01 pm - 6.59 am http://www.wastronomiko.com some times vice versa
from 7 am - 7 pm http://www.nanosys.ch
from 7.01 pm - 6.59 am http://www.wastronomiko.com some times vice versa