Baader 2 inch H-alpha Narrowband 6.5 nm Filter - CMOS optimized

€235,00
Artikelnummer: 2961103
Beschikbaarheid: In backorder
Levertijd: 1 week

Narrowband H-Alpha nebula filter by Baader-Planetarium for astrophotography with CMOS sensors for high contrast for telescopes from f/10 - f/3.5

 2" mounted with filter thread on both sides
 Optimized for CMOS sensors (Color and MONO)
 Reflex blocker coating against reflections in combination with correctors placed near the filter
 Exact and narrow FWHM for optimal signal-to-noise ratio
 Identical filter thicknesses for parfocality (not parfocal to older Baader filters!)
 Blackened edges
 The front side is marked in the form of a black outer edge (front side indicator)
 The edge of the filter is sealed, so no moisture can get in
 Life-Coat - an even harder coating for a virtually unlimited lifetime
 Low profile filter cell - height only 6 mm
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