Manufacturer: IDAS Filter
Product number: NBZ-52

EUR 397,00


incl. 19 % VAT (DE)  
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IDAS NBZ Dual Band Nebula Filter also for fast telescopes and lenses
The NBZ filter is a dual line pass filter that can be used with one-shot color cameras (DSLR, system cameras, color astro cameras) cameras.

The NBZ filter passes the red H-alpha line and the blue-green [O III] lines and increases the contrast. You get narrow band images with only one exposure series.

The special feature of the NBZ nebula filter is that it is also suitable for very fast optics from f/1.4. With normal narrow-band filters, there may be only 30-40% transmission instead of 90%. Not so with the NBZ, even at f/1.4 you still have about 85% (OIII) or 70% (Ha) transmission. This makes the filter ideal for fast camera lenses at full aperture, Celestron RASA, Starizona Hyperstar and of course for very fast apos.

Astrophotographic results obtained with this filter on Astrobin
Here you can find some astrophotographs made with this filter type: Link to Astrobin
Cell:M52x0.75 cell with objective filter thread
Technology:Interference filter
Substrate thickness:2.5 mm +/- 0.1 mm
Bandwidth:5-6 nm
Nebula filter
Plastic box

Astrophotographic results obtained with this filter on Astrobin
Here you can find some astrophotographs made with this filter type: Link to Astrobin


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