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Manufacturer: Lumicon
Product number: LF3090
EUR132.96new
EUR 132,96
incl. 19 % VAT (DE)
The VAT indicated refers to that applicable in Germany. After logging in, the VAT amount is adjusted to the applicable VAT of the stored delivery country. Therefore, the final price may vary accordingly.
excl. 6.95 € shipping costs (DE)
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- Details..
- Technical data..
- In the box..
Lumicon 2" H-Alpha Pass Filter
Highest contrast for HII regionsLumicon´s Night Sky Hydrogen-Alpha Filters are long-pass filters with a 50% transition from blocking to passing at about 640nm. At wavelengths longer than 650nm, transmittance is 90% or above. The filter is used as an extreme anti light-pollution filter, and for contrast-enhancement of emission nebulae and other astronomical objects bright in the infrared.
| Height of the filter mount: | 5 mm (without the M48 x 0.75 male thread) |
| Total height of the filter: | 7 mm (with the male thread) |
| Female thread: | no |
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