Chroma Technology SII Ha OIII - 3nm Filter Set
Price as Configured: $1,675.00
Deep Space Products carries the full range of Chroma filter sizes to match your camera and filter wheel. Contact us to discuss which configuration fits your imaging train.
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Filter Orientation
For optimal performance, mount Chroma filters with the coated (reflective) side toward the light source and the AR-coated (transparent) side toward the camera sensor. The AR side is easily identified by looking through the filter — it appears clear, while the front side is highly reflective.
Compatibility Notes
The 2" mounted version uses M48×0.75 threading and fits standard 2" filter accessories. The 7mm cell height is compatible with virtually all filter wheels and filter drawers. The 50×50mm square format is designed for large-format filter wheels. Verify clearance with your specific filter wheel before ordering.
Warranty
Chroma Technology filters are covered by a lifetime warranty against defects in materials and workmanship. Chroma also offers a satisfaction guarantee — if the filters do not meet your expectations, they can be returned. This warranty policy is among the most comprehensive in the industry. For warranty service or questions, contact Chroma Technology directly or reach out to Deep Space Products for assistance.
Related Chroma Products
For complete narrowband imaging (SHO palette), consider adding Chroma's O-III 3nm and S-II 3nm filters to your collection. Chroma also offers the HA5LRGB set with a 5nm H-alpha filter for those who prefer faster exposures.
