Our company is involved in preparing official permits from the Polish Ministry of Development and Technology, which allows us to export all dual-use drones, optics, and portable radiophones without VAT on the Polish side / and without VAT on the Ukrainian side.
Optolong LRGB + HSO 31 mm (SKU: OPL-LRGBNB-31)
803.22 $ net price (non-EU countries)
Anatolii Livashevskyi
Product Manager
/ 
+48721808900
+48721808900
+48721808900
[email protected]
Description
Optolong LRGB + HSO 31 mm Astronomical Filter Set
The Optolong LRGB + HSO 31 mm Astronomical Filter Set is a meticulously crafted collection of seven rimless filters, perfect for professional astrophotographers seeking to capture the universe's beauty with outstanding precision and clarity.
This comprehensive filter set offers both LRGB and HSO filters, each designed to enhance your astrophotography experience:
Exceptional LRGB Filters
- High Transmission Efficiency: Each filter in the LRGB set offers over 95% transmission in the maximum band, ensuring vibrant and high-contrast images.
- Superior Optical Quality: Made with high-quality glass substrates and a full multilayer coating, these filters deliver vivid imagery.
- Sodium Light Pollution Reduction: The strategic separation of G and R filter peaks effectively minimizes interference from sodium lamps.
Specialized HSO Filters
- Narrowband Design: The HSO filters focus on emission nebulae, such as the Pillars of Creation, with small half-widths in the Hα, S II, and O III bands.
- Moonlight Performance: Capable of capturing stunning images even during a full moon, thanks to their precise filtering capabilities.
Every filter in this set features a full multi-layer anti-glare coating applied with advanced ion implantation techniques, enhancing durability and scratch resistance for long-lasting use.
Key Features:
- High-Quality Filters: Crafted from Schott optical glass for exceptional performance and reliability.
- Full Multi-Layer Coating: Anti-glare coating ensures optimal optical performance and scratch resistance.
- Balanced RGB Channels: Guarantees accurate color reproduction and balanced imaging results.
- Enhanced Passband Separation: R and G filters effectively block sodium lamp spectral lines, reducing light pollution.
Technical Specifications:
- Filter Type: LRGB, HSO
- Filter Diameter: 31 mm
- Transmission for LRGB Palette Bandwidth: 95%
- Transmission Beyond LRGB Palette Transmission Range: 0.1%
- Optical Density Equivalent Beyond LRGB Palette Transmission Range: OD3
- IR Cut-Off in Luminance Channel: 700 - 1100 nm
- Hα Line Passband Midpoint: 656.3 nm
- Hα Line Half Bandwidth (FWHM): 7 nm
- Transmission for Hα Line Band: 85%
- S II Line Passband Center: 672 nm
- S II Line Half Bandwidth (FWHM): 6.5 nm
- Transmission for S II Line Band: 80%
- O III Line Passband Center: 500 nm
- O III Line Half Bandwidth (FWHM): 6.5 nm
- Transmission for O III Line Band: 80%
- Substrate: Schott Optical Glass
- Filter Thickness: 2 mm
- Surface Quality Index: 60/40
- Surface Finish: Polished
- Anti-Reflective Coating: Full Multi-Layer Coating (FMC)
- RMS Execution Accuracy: λ / 4
Elements Included in the Set:
- Optolong UV/IR-Cut 31 mm Filter
- Optolong R-CCD 31 mm Filter
- Optolong G-CCD 31 mm Filter
- Optolong B-CCD 31 mm Filter
- Optolong Hα 31 mm Filter
- Optolong S II 31 mm Filter
- Optolong O III 31 mm Filter
Warranty:
The Optolong LRGB + HSO 31 mm Filter Set includes a 24-month warranty, providing peace of mind and ensuring customer satisfaction.
Unlock the full potential of your astrophotography with the Optolong LRGB + HSO 31 mm Filter Set. Capture breathtaking celestial images with unprecedented clarity, contrast, and color fidelity.
Data sheet
Official permits of the Ministry of Development and Technology
Our company is involved in preparing official permits from the Polish Ministry of Development and Technology, which allows us to export all dual-use drones, optics, and portable radiophones without VAT on the Polish side / and without VAT on the Ukrainian side.