SHO 3nm Kit
Typically used with cooled monochrome astronomical CCD/CMOS cameras or modified DSLRs to image individual channels, then assign SII, Ha, and OIII to RGB in postprocessing for Hubble-palette images. SHO-3 nm filters comprise SII 3 nm, H-Alpha 3 nm, and OIII 3 nm, with high transmission at 671.6 nm, 656.3 nm, and 500.7 nm, respectively. Accumulated exposure collects as much nebular emission-line energy as possible for higher contrast and richer, finer structure. Source notes: reference curves do not represent final product data; actual measurements govern. HOO SHO. OIII halo testing: OIII narrowband filters have long faced halo concerns. Experience with 7 nm filters and optimized coating technology improves the OIII 3 nm filter's halos. Qualitative tests on a bright star in the Veil Nebula show good bright-star performance in the original images for this OIII 3 nm filter.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Specifications | 2.0"、⏀36×2.0mm |
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