Manufacturer: Baader
Product number: BA2458379R

EUR 190,00


incl. 19 % VAT (DE)  
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Baader H-Alpha CCD Filter - FWHM 35 nm
H-alpha nebula filters are very popular for astrophotography. They offer a very good contrast in the photography of gas nebulae emitting in H-alpha light, such as the North America Nebula. The Baader H-alpha filter blocks all visible light except a narrow passage in the red H-alpha light. This offers some advantages:
The entire stray light of cities is blocked, very beautiful astro shots are possible even close to cities.
The star image of refractor telescopes improves considerably, the stars become finer and sharper.


The relatively broadband H-alpha filter allows a significant gain in contrast even with relatively low-light telescopes. The filter is usually combined with monochrome (black/white) cameras. But it can also be used with color cameras and DSLR cameras. But then the whole image is colored red.
Filter type:CCD pass filter
Passband:H-alpha around 656.3 nm
FWHM:35 nm bandwidth
Filter thickness:3 mm
Size:50 mm x 50 mm square filter without cell
Height of cell:6 mm without external thread
Coating:Dielectrically coated - plano-optically polished
Baader filter in stackable filter box



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