SVBONY SV227 OIII 5nm 2-inch Telescope Filter for Nebula Imaging

SVBONY SV227 OIII 5nm 2-inch Telescope Filter for Nebula Imaging

Name: SVBONY SV227 OIII 5nm 2-inch Telescope Filter for Nebula Imaging
Brand: Svbony
SKU: W9187DC
Price: 102.99 USD
Availability: InStock
Rating: 5 (5 reviews)

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Key Features

Enhanced OIII Imaging

The SV227 OIII 5nm filter isolates the oxygen III emission line, providing sharp, high-contrast images of nebulae, planetary nebulae, and supernova remnants in astrophotography.

5nm Bandwidth for Precision

With a 5nm narrowband width, this filter ensures precise light transmission, offering exceptional detail and vivid contrast for deep-sky imaging.

Superior Optical Quality

Crafted from high-quality optical glass, this filter ensures minimal light loss and distortion, delivering clear, crisp images for astrophotographers.

Built to Last

The SV227 OIII filter is designed for durability, withstanding long exposure times and providing reliable performance in all astrophotography conditions.

Universal Compatibility

Compatible with 2-inch eyepieces, this filter is easy to install and use, making it perfect for both amateur and professional astrophotographers.

Note: This OIII filter is NOT for use on the Sun, and also unsuitable for telescopes with a focal ratio below f/4

Style: OIII Filter

OIII Filter

OIII Filter+2inch Holder

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Brand	SVBONY
Size	2"
Model	SV227
FilterThread	M48x0.75
Net Weight	12.5g / 0.44oz/0.027lb

Model	SV227
Type	OIII Filter
Size	2-Inch
Wavelength Range	300-1000nm
CWL	500.7nm
FWHM	5nm
Peak Transmittance	≥90%
Substrate Thickness	1.85mm
Blocking	≥OD5
Clear Aperture	44mm
Surface Quality	60/40
Surface Pparallelism	1/4λ
Parallelism	30"
Thread	M48x0.75
Single Thread	Yes
Net Weight	12.5g / 0.44oz/0.027lb

Features

1. SVBONY 2 inch OIII-CCD 5nm Narrow-Band filter for deep sky 2" mounted; can enhances the contrast between the target and the sky; allowing you to capture high-quality images even under the urban sky; suitable for lightly polluted urban areas and relatively dim launch nebulae;
2. 5nm Extra Narrowband Filter; the Oxygen III 5nm Extra Narrowband Filter transmits a 5nm bandwidth of light that is centered at 500nm and drastically reduces other transmissions; including wavelengths of light that are responsible for light pollution;
3. High-quality materials; the SVBONY 2" Filters are made glass import from germany that has been multi-coated with an ion-assisted deposition technology to ensure scratch resistance and stability on the central wavelength; or CWL;
4. High-level manufacturing process; the filter cell is made of lightweight;strong metal and is CNC machined; sand-blasted; black anodized; and then laser engraved; the result is a super thin filter cell that will produce a clear aperture of 45mm;
5. Powerful functionality; like all SVBONY filters that are designated as "CCD"; this OIII also blocks infrared wavelengths from 700nm to 1100nm so you don't need a separate IR-Cut filter; make your use more convenient.

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