LRGB AR Deep-Sky Filter
LRGB AR filters provide luminance, red, green, and blue channels with RGB approximately 1:1:1. Color separation supports deep-sky astronomical CCD and planetary photography, producing realistic, rich colors and simpler postprocessing. Quality optical glass maintains parallelism. Multilayer coatings on both sides suppress infrared interference, give excellent transmission, and reproduce color to sRGB. Source quality statement attributes Yulong quality to precision processing and strict control. Sample captions: M33, Optolong LRGB AR+Ha-7 nm ©Terry Hancock; NGC2170, Optolong LRGB AR ©Jerry Huang; M82, Optolong LRGB AR+H-Alpha 7 nm ©Jerry Huang. Packaging: silver-card carton, PP box, imported high-pressure white EVA. Notes: lighting, displays, or flash may alter color; coating colors vary naturally with illumination. Actual products govern, including changes not yet reflected in descriptions. Materials, workmanship, and process are shared across sizes. Consult for other dimensions.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Product Dimensions | 1.25”, 2”, 31mm (Unmounted), 36mm (Unmounted) |
Key Features
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