- Parfocal for systems f/4.0 or slower
- Transmitted wavefront better than 0.25 waves/inch
- Parallelism: <30 arcsec
- Made in America
Chroma H-Alpha LRGB Set
Chroma H-Alpha LRGB sets are used worldwide in research and amateur applications. Specifically designed for deep space CCD/CMOS imaging.
- Luminance Filter
- Red Filter
- Green Filter
- Blue Filter
- H-Alpha 8nm Narrow Band Filter
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