The ZWO Oxygen 3 (O-III) is a very popular filter that is used to cut out large amounts of light pollution and improve visibility. Designed to isolate the OIII emission bands for best signal-to-noise performance ,allowing 7nm bandwidth of light centered on a wavelength of 500nm through.
Adding the ZWO O-III Narrowband filter to your imaging collection will help you go beyond the RGB imaging and will help capture your favorite nebula’s in a totally new light, no matter how polluted your skies may be.
Use it with H-alpha and S-II narrowband filters Set for tricolor CCD astrophotography.
Narrowband imaging with the full set (H-alpha, OIII-CCD and SII-CCD) of filters can be done with the moon visible and in heavy light pollution, so your equipment is not sitting dormant for several weeks
Key features:
$269.00 Original price was: $269.00.$239.00Current price is: $239.00. inc GST
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The ZWO narrowband O-III 7nm filter is designed for nebula observation allowing 7nm bandwidth of light centered on a wavelength of 500nm through, which corresponds to OIII emission lines, blocking out all other light.
Adding the ZWO O-III Narrowband filter to your imaging collection will help you go beyond the RGB imaging and will help capture your favorite nebulas in a totally new light, no matter how polluted your skies may be!
Size: | 36 mm |
Shape: | Round (unmounted) |
Thickness: | 2.0 mm |
Package: | Plastic case |
Transmission at 500nm (O-III) | 90% |
Infrared wavelength: | 700 – 1100nm cut off |
FWHM: | 7±0.5nm |
In the box: | 36mm Oxygen 3 Filter |