O-III Filters

The O-III line at 501nm is an important emission line of many Nebula objects and SN remnants. An extreme background contrast can be achieved even in urban areas with narrow-band filters.
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Altair Quad-Band 2" Filter for OSC CMOS, CCD and Modified or Unmodded DSLR cameras.
249.00 €
Narrowband Bi-Colour imaging is a growing new trend in astrophotography, especially popular in light polluted areas, or for imaging in rural areas in moonlight.
249.00 €
The Astronomik 12 nm OIII CCD  filter 50x50mm is an extremely narrow emission-line filter for CCD photography
339.00 €
The Astronomik 12 nm OIII CCD  filter 1.25" is an extremely narrow emission-line filter for CCD photography
129.00 €
The Astronomik 12 nm OIII CCD  filter 2" is an extremely narrow emission-line filter for CCD photography
299.00 €
The Astronomik 12 nm OIII CCD  filter SC is an extremely narrow emission-line filter for CCD photography
299.00 €
The Astronomik 12 nm OIII CCD  filter Clip EOS APS-C is an extremely narrow emission-line filter for CCD photography
189.00 €
The Astronomik 12 nm OIII CCD  filter Clip EOS M is an extremely narrow emission-line filter for CCD photography
209.00 €
The Astronomik 12 nm OIII CCD  filter Clip Filter EOS XL is an extremely narrow emission-line filter for CCD photography
299.00 €
The Astronomik 12 nm OIII CCD  filter d=27mm is an extremely narrow emission-line filter for CCD photography
129.00 €
The Astronomik 12 nm OIII CCD  filter d=31mm is an extremely narrow emission-line filter for CCD photography
159.00 €
The Astronomik 12 nm OIII CCD  filter d=36mm is an extremely narrow emission-line filter for CCD photography
189.00 €