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IDAS Filters: specialists in astrophotography

The Light Pollution Suppression Filters (LPS) block the artificial light and leave the natural color. This is exactly what distinguishes these filters from almost all UHC filters in the field of astrophotography. UHC filters are optimized for visual use and cause the sky background to be colored in photography.

The main characteristics of the IDAS LPS D1:

• Specially developed for photography with DSLR cameras and single-shot astro cameras
• It is also suitable for luminance recordings with SW cameras
• High-quality anti-reflective coating - anti-reflective coating
• Particularly scratch-resistant hard coating
• Absorption of urban stray light (mercury, sodium vapor lamps) and nightglow
  
  

Exposure time extension - factor 2: The IDAS LPS D1 allows an exposure time extension by a factor of 2. However, the important lines in the DeepSky range (eg H-Alpha and [O III]) are let through 90%. Put simply, you can expose twice as long until the sky background comes through, but the object appears much stronger and more contrast against the background than without a filter.