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AstroHutech LPS D3 Filter for ZWO and QHY Cameras

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SKU: AHT-LPS-D3-Z
$209.00

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AstroHutech LPS D3 Filter for ZWO and QHY Cameras

This LPS D3 clip-in filter from AstroHutech is designed to work with ZWO and QHY cameras. Adding this filter enhances the contrast of astronomical emission nebulae. It does this by suppressing the common emission lines generated by artificial lighting while letting important nebula emission lines pass. The D3 version of the LPS filters has a bandpass designed to cope with the increased usage of LED lighting.

Using this filter with CCD imagers will help boost the CCD camera's ability to shoot through light pollution.

IDAS filters are also polished twice as long as is typical for optical glass, so when coupled with the high-quality substrate glass, you will find there are no scratches, bubbles, or other defects visible, even when under a microscope. Being IDAS proprietary means that this filter is manufactured using unique technologies to meet or exceed the quality of the rest of your optical system. The Ion-Gun Assist Deposition (IGAD) coating technology used with IDAS filters was originally developed for optical communications fields where long-term stability is required. This means that this filter has robust coatings and long-term spectral stability under extreme temperatures and humidity. The IGAD technology virtually eliminates bandpass shifts from the +/-3 or 4nm typical of a standard coating.

LPS Filter Technical Features

  • Ideal flat-top and moderate bandpass
  • Steep bandpass edges minimize internal reflections
  • Near IR (NIR) is blocked up to 1200 nm
  • 1.1 mm thickness
  • Parfocal with other IDAS LPS filters
  • Made in Japan