SVBONY SV220 Telescope Filter H-Alpha & OIII 3nm Dual-Band 1.25/2" Nebula Filter For Sale

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SVBONY SV220 Telescope Filter H-Alpha & OIII 3nm Dual-Band 1.25/2" Nebula Filter:
$139.99
The SV220 H-Alpha 3nm and O-III 3nm Dual-Narrowband Filter enhances astrophotography by reducing stray light and light pollution. With a wide cutoff range of 300 - 1050nm and an average OD5, it effectively reduces stray light and light pollution, enhancing image clarity. Its 3±1nm bandwidth make celestial details clearer. With minimal halo coating, it ensures sharp, high-contrast images. Available in 1.25-inch and 2-inch, it’s suitable for capturing deep-sky objects.
SVBONY SV220 Telescope Filter H-Alpha & OIII 3nm Dual-Band 1.25/2" Nebula Filter.
- Two sizes:
1.25-inch ultra narrowband filter has a thread specification of M28.5×0.6 and a barrel size of Φ31.75×7 mm;
The 2-inch ultra narrowband filter has a thread specification of M48×0.75 and a barrel size of Φ50.8×7 mm. - Average OD5 cutoff: 3nm H-Alpha and O-III Narrowband Filter covers 300-1050nm wavelengths; filtering key UV to near-IR spectra; Average OD5 reduces light to 0.001%; greatly suppressing stray light and enhancing signal-to-noise ratio for purer images.
- Minimal halo coating design: the 3nm H-Alpha and O-III Narrowband Filter features a minimal halo coating that reduces glare; ensuring sharp; detailed imaging of celestial objects with enhanced contrast; color accuracy; and reduced light pollution.
- Full-Frame Compatible: Full-frame design ensures no vignetting, broad field of view, and accurate color reproduction. It improves image uniformity, clarity, and contrast, ideal for high-res deep-sky observations, maintaining consistent quality across the frame.(Note: Only two inches are applicable)
- Peak transmittance > 85%: the ultra-narrowband filter; with its high transmission rate; significantly reduces exposure requirements and doubles the shooting efficiency; It presents ultimate details unaffected by light pollution.
- FWHM: the SV220 3nm Dual-Narrowband Filter's narrow bandwidth of 3±1nm can effectively filter out most of the background stray light; making the details of the target celestial object clearer.
- Broad spectral coverage: the telescope filter's cutoff wavelength range of 300-1050nm covers a broad spectral region from ultraviolet light (300nm) to near-infrared light (1050nm); making it suitable for observing a variety of celestial objects.
SV220 H-Alpha & OIII 3nm Nebula Filter - Buyer's ReviewThanks Steven Cokins for sharing
NGC2070 - Tarantula Nebula
Photographed in Bondiburg, Australia
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If the product you purchased is in stock at our warehouse in China, we will ship it from there. Delivery time is usually 5-9 business days.
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We offer a 30-day unconditional return policy.
1. You can get a full refund when you return an undamaged product for any reason within 30 days. Just make sure all products are in original condition and provide us with relevant pictures or videos to prove it.2. If you are not sure whether the product is in brand new condition, you can contact us first. We can help you confirm and provide a return label.
3. We will issue a refund immediately once the product arrives at our warehouse.Processing time usually takes 2-5 business days.
Warranty Time
We offer a 1-year warranty.
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