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ZWO O-III 7nm 1.25-inch Filter
The ZWO O-III 7nm 1.25-inch Filter isolates O-III emissions at 500nm with a 7nm bandwidth, enhancing contrast and detail in nebula imaging while reducing unwanted light pollution for astrophotography.
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This filter is for use with narrowband astrophotography .
Oxygen III light has a wavelength of 500.7nm, and is a commonly-used narrowband frequency. It can be used as part of two-band, three-band, or other false-colour images.
Specs:
- 7nm bandpass OIII narrowband filter for astrophotography.
- Filters out all but 502 ± 3.5nm incoming light.
- Mounted in a 1.25" collar with a thread for fitting into a1.25" nosepiece or a 1.25" filter whee
About ZWO Optical: Astrophotography has never been easier
Established in 2011, ZWO Optical is a fast-growing global astroimaging camera powerhouse based in Suzhou China. They focus on building and innovating groundbreaking CMOS cameras such as the iconic ZWO ASI120MM Monochrome CMOS camera (the first-ever planetary CMOS camera to beat a CCD in the early 2010s). ZWO continues to pioneer new astrophotography technology with revolutionary features to capture exceptional quality of images of space that will last you a lifetime.
Today, ZWO cameras are recognised by every passionate astrophotographer and are available in over 25 countries internationally.
Product code: OIII7nm1.25