About the product
Scorpio Astro SHO-3nm filter kit includes SII3nm, H-Alpha3nm, and OIII3nm narrow band filters, generally working with astronomical monochrome cooling CCD and modified DSLR imaging in each single-channel. Corresponding with RGB channel (HA, OIII, SII), photographers can process Hubble images by astronomical post processing software.
Features
High transmittance and OD can ensure better image contrast. Scorpio Astro filters have ultra-high transmittance and OD .Meanwhile, for deep space imaging, halo control is equally important.
- Optimize halo, even for very bright stars
- Parfocal across all filters in this set
- Improved color separation with suppression of mercury and sodium lines
- High transmittance rate
- OD＞4
- Hard coated, easy to clean
- Glass thickness 2±0.1mm
- Apply matte ink treatment to the edges
- Max support F2.8(F2.8-F16)
- Supports most filter wheels (ZWO/QHY/Touptek/Astrosis)
- Accurate band control ±0.1nm
WaveLength
Images:
FQA:
Halo: If the image still has halo, please make sure the sky is clear before testing again and Check if the installation is reversed
Image abnormality/distortion: If the overall image is abnormal , Check if the surface of the filter is clean and smooth, Check if the filter wheel leaks light,Check if the correct filter is installed
Droplet shaped stars: Check if the tracking is accurate
Not Recommended:Solar Observing and imaging
Visual observation
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