List of products by brand Optolong

Optolong Filters L-Ultimate 1,25"

227.91 $

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This 3nm dual-band filter is meticulously crafted to significantly mitigate the impact of light pollution while isolating the emissions from nebulae into H-Alpha (red) and OIII (green-blue) wavelengths. By blocking light pollution and enhancing the signal from nebulae, it effectively darkens the sky background, providing optimal conditions for astrophotography. 

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Optolong Filters LRGB Filter-Set 1,25

183.14 $

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The LRGB filter set is essential for capturing colorful images of the night sky using monochrome CCD cameras. This set includes four filters designed to produce a full-color image by combining different spectral channels.

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Optolong Filters OIII 3nm 2"

392.74 $

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The OIII Filter: This narrowband OIII 3nm filter is specifically crafted for observing nebulae. It allows a 3nm bandwidth of light centered on a wavelength of 500nm, corresponding to OIII emission lines, while effectively blocking out all other light.

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Optolong Filters SHO Filter Kit 1,25"

459.89 $

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Narrowband filters enhance contrast by permitting only specific light wavelengths corresponding to certain spectral lines, such as hydrogen (H-alpha at 656nm), oxygen (OIII at 501nm), sulfur (SII at 672nm), among others.

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Optolong Filters SHO Filter Kit 2"

626.75 $

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Narrowband filters enhance contrast by selectively permitting specific light wavelengths, such as those corresponding to hydrogen (H-alpha at 656nm), oxygen (OIII at 501nm), sulfur (SII at 672nm), and more, to pass through while blocking others.

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Optolong Filters SII 3nm 2"

785.77 $

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SII Filter: Designed specifically for nebula photography, the narrowband S-II 7nm filter selectively transmits light at a wavelength of 672nm, featuring a bandpass of 3nm.

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Optolong Filters SII Filter 1.25"

126.21 $

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Mount Material: Aluminum

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Optolong Filters SII Filter 2"

203.36 $

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Mount Material: Aluminum

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Optolong Filters UBVRI set photometric 1.25''

523.17 $

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This UBVRI photometric filter set, available in both 1.25" and 2" round mounted formats, encompasses five filters: Ultraviolet (U), Blue (B), Visual (V), Red (R), and Infrared (I).

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Optolong Filters UBVRI set photometric 2''

629.02 $

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This UBVRI photometric filter set comprises five round mounted filters, available in both 1.25" and 2" sizes: ultraviolet (U), blue (B), visual (V), red (R), and infrared (I).

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Optolong Filters UHC Filter, 2"

130.28 $

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Mount Material: Aluminum

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Optolong Filters Venus U-Filter 2''

227.99 $

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The Optolong Venus-U filter facilitates the capture of photographs, CCD, or video images in the UV-A spectrum (320-400 nm), allowing for the observation of Venus' cloud structures.

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