Filtro 4.5nm H-Alpha EDGE Antlia Filter 2" montato

Codice articolo: ANT-2-HA4.5-EDGE

Filtro 4.5nm H-Alpha EDGE Antlia Filter 2" montato in cella

• Basic Substrate: Optical, Single / Non-glued substrate
• Filter Thickness: 2mm+/-0.05mm for 2”
• FWHM (Full width at half maximum): 4.5nm
• CWL (Central Wavelength): 656.3nm
• Peak Transmission:＞90% Blocking: > 5 OD (out of band blocking) @ 300-1000nm
• Surface Quality: S/D (scratch/dig)= 60/40 (Refer to MIL-O-13830)
• Transmitted Wavefront: Lambda/4 or better. Parallelism: less than 30 arcsec