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Linienfilter lassen ganz selektiv nur das Licht einer bestimmten Spektrallinie durch. Besonders beliebt sind OIII-, SII- und H-Alpha-Filter.

Die römischen Zahlen III und II bezeichnen dabei den Ionisationsgrad des chemischen Elements, das die Spektrallinie erzeugt. So steht OIII (sprich: "Oh drei") für zweifach ionisierten Sauerstoff und SII für einfach ionisierten Schwefel. OI und SI bezeichnen die elektrisch neutralen Atome.

Linienfilter sind ideal zur visuellen Beobachtung und Fotografie von Emissionsnebeln, Supernova-Überresten und planetarischen Nebeln, da diese Objekte definierte Spektrallinien erzeugen. Sternhaufen und Galaxien hingegen haben ein kontinuierliches Spektrum. Für sie sind Filter zur allgemeinen Unterdrückung der Himmelsaufhellung besser geeignet (CLS- oder UHC-Filter).

Beispiel eines Emissionslinienspektrums (Quelle: Wikipedia) Beispiel eines Emissionslinienspektrums (Quelle: Wikipedia)
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Baader Filter H-alpha/OIII/SII CMOS f/2 Highspeed 31mm
Baader
Filter H-alpha/OIII/SII CMOS f/2 Highspeed 31mm
$ 486,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS Narrowband 1,25"
Baader
Filter H-alpha/OIII/SII CMOS Narrowband 1,25"
$ 425,-
versandfertig in 24 h
Baader Filter H-alpha/OIII/SII CMOS Narrowband 2"
Baader
Filter H-alpha/OIII/SII CMOS Narrowband 2"
$ 720,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS f/2 Ultra-Highspeed 1,25"
Baader
Filter H-alpha/OIII/SII CMOS f/2 Ultra-Highspeed 1,25"
$ 810,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS f/2 Highspeed 1,25"
Baader
Filter H-alpha/OIII/SII CMOS f/2 Highspeed 1,25"
$ 458,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS Ultra-Narrowband 2"
Baader
Filter H-alpha/OIII/SII CMOS Ultra-Narrowband 2"
$ 1.140,-
versandfertig in 3-7 Tagen
Baader Filter H-alpha/OIII/SII CMOS Ultra-Narrowband 36mm
Baader
Filter H-alpha/OIII/SII CMOS Ultra-Narrowband 36mm
$ 1.010,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS f/2 Highspeed 2"
Baader
Filter H-alpha/OIII/SII CMOS f/2 Highspeed 2"
$ 760,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS Ultra-Narrowband 1,25"
Baader
Filter H-alpha/OIII/SII CMOS Ultra-Narrowband 1,25"
$ 790,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS Narrowband 50x50mm
Baader
Filter H-alpha/OIII/SII CMOS Narrowband 50x50mm
$ 880,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS f/2 Ultra-Highspeed 2"
Baader
Filter H-alpha/OIII/SII CMOS f/2 Ultra-Highspeed 2"
$ 1.200,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS Narrowband 36mm
Baader
Filter H-alpha/OIII/SII CMOS Narrowband 36mm
$ 510,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS f/2 Ultra-Highspeed 36mm
Baader
Filter H-alpha/OIII/SII CMOS f/2 Ultra-Highspeed 36mm
$ 1.020,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS f/2 Ultra-Highspeed 65x65mm
Baader
Filter H-alpha/OIII/SII CMOS f/2 Ultra-Highspeed 65x65mm
$ 1.820,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS f/2 Ultra-Highspeed 50x50mm
Baader
Filter H-alpha/OIII/SII CMOS f/2 Ultra-Highspeed 50x50mm
$ 1.390,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS f/2 Highspeed 50x50mm
Baader
Filter H-alpha/OIII/SII CMOS f/2 Highspeed 50x50mm
$ 910,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS f/2 Highspeed 65x65mm
Baader
Filter H-alpha/OIII/SII CMOS f/2 Highspeed 65x65mm
$ 1.130,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS f/2 Highspeed 36mm
Baader
Filter H-alpha/OIII/SII CMOS f/2 Highspeed 36mm
$ 540,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS f/2 Ultra-Highspeed 50,4mm
Baader
Filter H-alpha/OIII/SII CMOS f/2 Ultra-Highspeed 50,4mm
$ 1.300,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS f/2 Ultra-Highspeed 31mm
Baader
Filter H-alpha/OIII/SII CMOS f/2 Ultra-Highspeed 31mm
$ 860,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS f/2 Highspeed 50,4mm
Baader
Filter H-alpha/OIII/SII CMOS f/2 Highspeed 50,4mm
$ 790,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS Ultra-Narrowband 65x65mm
Baader
Filter H-alpha/OIII/SII CMOS Ultra-Narrowband 65x65mm
$ 1.710,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS Ultra-Narrowband 31mm
Baader
Filter H-alpha/OIII/SII CMOS Ultra-Narrowband 31mm
$ 840,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS Narrowband 50,4mm
Baader
Filter H-alpha/OIII/SII CMOS Narrowband 50,4mm
$ 820,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS Narrowband 65x65mm
Baader
Filter H-alpha/OIII/SII CMOS Narrowband 65x65mm
$ 1.110,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS Ultra-Narrowband 50,4mm
Baader
Filter H-alpha/OIII/SII CMOS Ultra-Narrowband 50,4mm
$ 1.240,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS Ultra-Narrowband 50x50mm
Baader
Filter H-alpha/OIII/SII CMOS Ultra-Narrowband 50x50mm
$ 1.320,-
versandfertig in 1-2 Wochen
Optolong SHO Filter Kit 3nm 2"
Optolong
SHO Filter Kit 3nm 2"
$ 1.410,-
versandfertig in 3-5 Wochen
IDAS SHO Filter Set 52mm
IDAS
SHO Filter Set 52mm
$ 1.090,-
versandfertig in 3-5 Wochen
IDAS SHO Filter Set 50.8mm
IDAS
SHO Filter Set 50.8mm
$ 1.390,-
versandfertig in 3-5 Wochen
Baader Filter H-alpha/OIII/SII CMOS f/3 Ultra-Highspeed 65x65mm
Baader
Filter H-alpha/OIII/SII CMOS f/3 Ultra-Highspeed 65x65mm
$ 1.720,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS f/3 Ultra-Highspeed 50x50mm
Baader
Filter H-alpha/OIII/SII CMOS f/3 Ultra-Highspeed 50x50mm
UVP:  $ 1.320,-
Unser Preis:
$ 1.240,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS f/3 Ultra-Highspeed 50,4mm
Baader
Filter H-alpha/OIII/SII CMOS f/3 Ultra-Highspeed 50,4mm
$ 1.240,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS f/3 Ultra-Highspeed 2"
Baader
Filter H-alpha/OIII/SII CMOS f/3 Ultra-Highspeed 2"
$ 1.150,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS f/3 Ultra-Highspeed 36mm
Baader
Filter H-alpha/OIII/SII CMOS f/3 Ultra-Highspeed 36mm
$ 1.010,-
versandfertig in 1-2 Wochen
Baader Filter H-alpha/OIII/SII CMOS f/3 Ultra-Highspeed 31mm
Baader
Filter H-alpha/OIII/SII CMOS f/3 Ultra-Highspeed 31mm
$ 840,-
versandfertig in 1-2 Wochen