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manufacturers
Manufacturer: Lumicon
Product number: LF3085
EUR96.56new
EUR 96,56RRP EUR 125,00you save 22.8% (EUR 28,44)
incl. 19 % VAT (DE)
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excl. 6.95 € shipping costs (DE)
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- Details..
- Technical data..
- In the box..
Lumicon 1,25" 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.
| Type: | Long pass filter |
| Transmission: | 90 % from 650 nm |
| Thread 1.25: |
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