Dark Clear Skies
Svbony H-Alpha 7nm Filter
Svbony H-Alpha 7nm Filter
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$155.00
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$155.00
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Optical high precision double sided polishing to ensure that the parallelism is higher than 30 inch and high flatness 1/4λ; to ensure that IT does not affect the image quality
- Precision double sided optical coating; non two piece glue ;To effectively improve the transmittance and cut off depth
- Ion source assisted coating technology (IAD), to improve the density of the film to ensure that the filter wavelength minimizes the impact of temperature caused by the temperature drift
- High uniformity planetary wheel coating fixture to improve the uniformity of the filter wavelength
- Optical equipment professional fine sandblasted and anode treatment to prevent reflection
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