Baader O III (10 nm) 1,25 ( 2458395) all astro filters opinie

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The 1.25 "O III filter has the best effect of all nebulae filters, especially under very light polluted skies. It is ideal for taking pictures with the CCD due to the incomplete contrast. You cannot see any image quality deterioration even at the highest magnifications Has the same ultra-hard, extremely durable and vacuum-applied dielectric coatings as those used in the UHC-S filter Baader O-III filter effectively blocks the entire visual spectrum except for lines O-III spectral spectrum, eliminating the annoying color fringes around stars that often appear in O-III filters produced with less advanced coating technologies.

Technical parameters

• luminaire diameter: 1.25 "
• transmission Tmax: 94%
• Half width (FWHM): 10 nm
• line position: 502 nm