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OIII Filter 7nm 50.8mm - ZWO

OIII Filter 7nm 50.8mm - ZWO

SKU:zwo-zwoiii7_d2

Available within 7 days

€325,00 EUR

€325,00 EUR

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The ZWO O-III 7nm narrowband filter is specifically designed for astrophotography, offering exceptional contrast for celestial objects emitting doubly ionized oxygen.

Features
Benefits
Compatibility
Included Items

Wavelength: 500.7 nm
Bandwidth: FWHM 7 nm (+/-0.5)
Diameter: 50.8 mm
CNC machined aluminum cell
1.85 mm thick Schott glass
Double-sided optical coating with anti-reflective treatment
Precise optical polishing for parallelism <30" arc on both surfaces

90% transmission on the O-III line (500.7 nm)
High contrast against the sky background
Reduction of public lighting effects
Compatible with CCD imaging and digital photography

Available in 31.7 mm / 50.8 mm and 31 mm / 36 mm unmounted circular formats

ZWO OIII 7nm filter
Aluminum cell

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