Baader Planetarium O-III 2" 9nm Super-G CMOS Filter #FOIIISG-2

Description: Baader Planetarium O-III 2" 9nm Super-G CMOS FilterSKU: AAFOIIISG2Mfr. Part: FOIIISG-2 Item IncludesBaader Planetarium O-III 2" 9nm Super-G CMOS Filter - Baader Planetarium 2 Year Limited Warranty DescriptionFind the perfect solution for observing and photographing gas nebulae with the O-III 2" 9nm Super-G CMOS Filter. This advanced filter is specifically designed to capture the fluorescence of doubly ionised oxygen, making it ideal for viewing planetary nebulae and supernova remnants. The Super-G CMOS Filter boasts a Full Width at Half Maximum (FWHM) of just 9 nm, a significant improvement over its 10 nm predecessor. This narrower FWHM, coupled with CMOS-optimized coating technology, enhances sky darkness and effectively blocks stray light, providing you with clearer, more detailed images. One of the standout features of this filter is its superior blocking outside of the O III wavelength. It offers steeper transmission slopes and a broad plateau in the transmission range, ensuring that 97% of the emission line at 500.7 nm passes through the filter. This means that almost all the light from the nebula is captured, resulting in stunning, high-quality images. The 9 nm O-III filter is versatile and can be used with any focal ratio from f/1.8 to f/12, making it a perfect fit for all telescopes, especially when paired with a DSLR or an astronomical OSC color camera. It also performs exceptionally well in areas with high light pollution. The Super-G filter is equipped with the Reflex-Blocker coating to prevent reflections, plano-optical polishing for superior image quality, and the age-resistant Life-Coat coating for durability. It is also compatible with monochrome cameras when used with the Narrowband (6.5 nm) and Ultra-Narrowband (4 nm) filters. This filter is designed with the same thickness as the 2" Baader LRGB filters, making it an excellent "super G filter". It emphasizes emission nebulae while making stars appear fainter, providing a unique viewing experience. The O-III Super-G filter comes with all the benefits of the new generation of CMOS-optimized Baader filters. These include increased contrast, Reflex-Blocker coatings for freedom from halos, identical filter thickness for parfocality, and blackened edges with a filter-lead-side-indicator to eliminate reflections. Each filter is individually coated with a sealed edge, ensuring a non-aging coating for life, even in the most adverse environments. In summary, the O-III 2" 9nm Super-G CMOS Filter offers a combination of advanced features and high-quality materials, making it an essential tool for any astronomy enthusiast or professional photographer.Features2" Baader O-III Super-G filter with 9 nm FWHMWith 2" (M48) filter thread and a maximum transmission of 97%For visual and photographic observation of planetary nebulae and supernova remnants, even with small telescopesCan be used as a "Super-G filter" replacement for RGB photography. While regular G-filters suffer from bad seeing due to air turbulences, the narrow range of 9 nm passes less thermal noise, i.e. sharper images. Nevertheless, the transmission window is large enough not to be considered a pure narrowband filterCMOS-optimized coating technology with much steeper slopes of the filter passband - for increased contrast, longer life and to avoid reflectionsSpecificationsFilter Size2"Transmission RangeO-IIIFilter Thickness (Without Cell)2 mmHBW (Half bandwidth)9nmCWL (Central Wavelength)502 nmAR-CoatingReflex-Blocker hard coated, dielectrically coated, plane optically polishedFilter UsageCMOS, Contrast Enhancement, O-III, PlanetaryFilter MountedMounted (LPFC 6mm)Type Of FilterNarrowbandFilter ShapeRound WHO WE ARE Adorama is one of the nation's largest Photographic retail and mail order suppliers. For over 35 years we have been serving professionals as well as amateurs in the photographic, video, digital imaging and telescope fields. We offer the best combination of quality services, vast selection, knowledgeable staff, and competitive pricing. 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Hours of operationMon-Thurs: 9:00am - 6:00pm Friday: 9:00am - 1:00pm : 12pt;"> 9:00am - 6:00pm Friday: 9:00am - 1:00pm

Price: 178 USD

Location: Elizabeth, New Jersey

End Time: 2024-11-26T09:26:03.000Z

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