Astromania Telescope Filter 1.25 Inch Upgrated O-III Comet Filter Narrowband for Telescope, 99% High Transmission - Light Pollution Reduction for Astrophotography, Fit 1.25 Inch Telescope Accessory
Produktdetails
| Artikelnummer | 226523931 | Erscheinungsdatum | 2026/05/09 | Listenpreis | €50.40 | Modellnummer | 226523931 | ||
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- New Upgrade: Astromania Upgrade Edition OIII Filter is used for capturing the gas tails and gas flows of comets; with the two brightest C2 emission lines at wavelengths of 511 and 514 nm; the full width at half maximum wavelength is less than 15 nm
- High transmittance: Within the wavelength range of 504 nanometers to 525 nanometers; only the double-ionized oxygen line with wavelengths between 510 nanometers and 518 nanometers passes through with 99% of the wavelengths
- Fused Silica Matrix: The OIII filter is made of silica matrix and has an aluminum metal casing. It features dichroic interference and anti-reflective coating; it is suitable for areas with light pollution and dark sky areas to enhance contrast
- Advanced Narrowband Filter: Blocks the neighboring OIII line (<1% transmission), which does not appear mainly in comet tails; narrowband filter can only increase the contrast between the nebula and the night sky but not brighten it
- Standard 1.25 Inch Thread: Suitable for large aperture telescopes with 1.25 inch focuser; compatible with 1.25 inch eyepieces; barlow lens; diagonal prism and other telescope accessories
| ASIN | B0F8NLP93J |
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| Item Weight | 0.5 ounces |
| Manufacturer | Astromania |
| Item model number | SKU_AM_125OIIIA |
| Package Dimensions | 2.79 x 2.74 x 0.56 inches |
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