This light pollution filter uses the latest scientific data to select the optimal wavelengths to block light pollution while transmitting the most interesting wavelengths for astrophotography. The bands are selected based on real measurements of light pollution from a number of cities worldwide.
The advanced multiband coating provides high transmission in the target bands with unprecedented blocking in the light pollution bands.
The filter also includes a high performance AR coating that minimises the risk of stray light and optical reflections within your optical system.
This filter is neither broadband nor narrowband and will work for nearly all targets in all light pollution environments. The first three bands allow for true colour imaging on color cameras while the fourth band will capture absorption details in galactic arms. This filter will suit those who want one filter to rule them all and do not want to deal with the complications of multiple filters, filter wheels, monochromatic cameras, and more complex image processing after acquisition.
Many other astrophotgraphy filters induce vignetting (~17% in the corners) due to the filter size being too small relative to the camera (especially modern full frame sensors) which in turn also forces the mount to be too small. This vigentting darkens the corners of an image. The leviathan optical engineering filter and mount design have been designed in optical simulation software and check in a range of optical systems to minimise the risk of vegnetting.
The filter would also be an effective luminance filter for monochromatic narrowband imaging setups.
If you images are still susceptable to vigenetting after using this filter, this is likely due to other effects such as the non-uniform illumination inherent to some optical designs.
Galaxy and Nebula Light Pollution Filter
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