ZWO LRGB Filters-1.25-inch

ZWO LRGB filter set designed for CCD/CMOS astrophotography.

Includes red, green and blue filters and a UV/IR-Cut 'L' filter.

Features: 

• Schott substrate material
• Thickness 1.1mm
• Fine-optically polished to achieve 1/4 wavefront surface finish
• 90% transmission at passband
• Infrared wavelength 700-1100nm cut-off
• Precision off-band blocking
• Multi-layer anti-reflection coating