Kenko Astro LPR Type I is designed mostly for visual astronomical observation of celestial bodies, stars and constellations.This filter transmits only light spectrum that comes from celestial bodies, and cuts other light, thus enhancing contrast and clearness of the image. This filter is also modified to transmit the light that comes from two tails of the
Kenko Astro LPR Type II filter is designed for photographing of astronomical observation of celestial bodies, stars and constellations.Kenko Astro LPR Type II cuts off light pollution from artificial lighting of city streets (mercury and sodium gas charging lamps), and transmits only the light spectrum of stellar objects.The filter does not affect the color