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The narrowband nebula filter from ZWO clearly increses the contrast of the object. The filter reduces the effect of light pollution considerably
- ♦ Transmission more than 80% at 672 nm (S-II line)
- ♦ The filter has 31 mm diameter (round) and is not mounted
- ♦ FWHM 7 nm (narrow band)
- ♦ Main field of application: Photography of dim nebulae
- ♦ Parfocal with all ZWO filters
ZWO S-II Filter 7 nm - 31 mm unmounted
The narrowband nebula filter has a definite pass band around 672 nm. This is the line in which many planetary nebulae, emission nebulae and supernova remnants shine. Transmission in this range is 80%. The filter is the optimal choice for astrophotography. The contrast of nebulae is significantly increased.
Besides an L-RGB filter set, you can also get the H-Alpha and O-III filters from ZWO, with which false colour images and narrow band nebula images are possible. The filters are parfocal among each other.
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Ulteriori informazioni
Codice Prodotto(SKU) | ZWOSII31 |
---|---|
Produttore | ASI - ZWoptical |
Disponibilità | disponibile in 24/48h |
2 punti vendita
nel nord Italia
nel nord Italia
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