Astromania Telescope Filter 2 Inch Upgrated O-III Comet Filter Narrowband for Telescope, 99% High Transmission - Light Pollution Reduction for Astrophotography, Fit 2 Inch Telescope Accessory
Product details
| Management number | 226523929 | Release Date | 2026/05/09 | List Price | US$58.40 | Model Number | 226523929 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- 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 2 Inch Thread: Suitable for large aperture telescopes with 2 inch focuser; compatible with 2 inch eyepieces; barlow lens; diagonal prism and other telescope accessories
| ASIN | B0F8NLBSKC |
|---|---|
| Item Weight | 0.5 ounces |
| Manufacturer | Astromania |
| Item model number | SKU_AM_2OIIIA |
| Package Dimensions | 2.79 x 2.74 x 0.56 inches |
Bestseller ranking
Health
Customers who viewed this product also viewed
Filters
Correction of product information
If you notice any omissions or errors in the product information on this page, please use the correction request form below.
Correction Request Form