Astrodon 31mm LRGB Gen2 E-Serie Tru-Balance Filterset - unmounted
Astrodon E-Series L-RGB Filters for better colors with KAF Sensors and Sony Sensors
Set of 4 Filters L-RGB - 31mm unmounted Better colors with KAF8300, KAF3200, KAF6303, KAF16200, KAF16803 sensors, as well as most Sony and back-thinned sensors. Astrodon filters are coated to the edge
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Astrodon LRGB Gen2 E-Series Tru-Balance Filters - simplify your imaging!
The E-Series Gen2 filters were designed for cameras containing the full-frame KAF8300, KAF3200, KAF6303, KAF16200, KAF16803 sensors, as well as most Sony and back-thinned sensors.
Astrodon Generation 2 (Gen2) Tru-Balance RGB filters have revolutionized CCD imaging. Their popularity is due to their ease-of-use, high optical throughput and great resulting colors for galaxies, star clusters and nebulae. There are two varieties of Tru-Balance filters- E-Series and I-Series.
E-Series filters are designed to approximately equalize the flux of red-sensitive full-frame (formerly Kodak E-Series) CCD detectors, including compensation for the solar photon flux. This means that your RGB color combine weights will be approximately 1:1:1 within perhaps 10% for equal length exposures. This can never be perfect, but it does allow you to take one exposure time for all of your RGB data and therefore, only just one corresponding dark exposure time. Again, this saves you precious imaging time and thus, simplifies your imaging.
Advantages of the E-Serie L-RGB Filters
1.25" mounted, 31, 36, 49.7 mm dia., 49.7 mm square ~1:1:1 color combine weights for G2V white-point for Kodak Full-Frame (E) detectors Best choice for backthinned and Sony detectors Equal RGB exposures and one dark time Better color separation (spectra) Better color rendition for galaxies based upon color theory Significant reflection and star halo reduction (see Alnitak image) Enhanced contrast for HII regions in galaxies Spectral "gap" to minimize effect of light pollution Highest efficiency blue filter with less UV. Correct "teal" OIII color for planetary nebula (OIII signal >97% in blue and green) More parfocal - thickness 3+/-0.025 mm* Parfocal with Astrodon´s high-performance narrowband and near-IR filters Striae-free 1/4 wave fused silica substrates Ultra-hard and durable sputtered coatings
Size: | 31mm unmounted |
Coating: | Ultra-hard and durable sputtered coatings coated to the edge of each filter |
Thickness: | 3 mm |
Manufacturer / Importeur: | Optical Structures Inc. |
Street: | Artikel alle vor dem 13.12.2024 auf Lager |
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