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CHF 199 – CHF 359Price range: CHF 199 through CHF 359
Disponible en stock
Explore OIII nebulae with unrivalled contrast thanks to the Antlia OIII 4.5nm EDGE filter. Specially designed for deep-sky astrophotography, it maximizes the useful signal while suppressing unwanted noise.

| Features | Detail |
|---|---|
| Type | OIII 4.5nm EDGE |
| FWHM (Full Width at Half Maximum) | 4.5nm |
| Center wavelength (CWL) | 500.7nm |
| Maximum transmission | >85% |
| Out-of-band blocking | OD5 (0.001%) between 300-1000nm |
| Filter thickness | 2mm ± 0.05mm (50mm: 3mm ± 0.05mm) |
| Substrate | Unglued monoblock optical glass |
| Surface quality | S/D 60/40 (MIL-O-13830 standard) |
| Transmitted wavefront | λ/4 or better |
| Parallelism | <30 arcsec |
| Warranty | 3 years against delamination |

Never look directly at the sun with this filter. This would cause serious eye damage.