A filter that removes excess blue coloring, while maintaining the correct color balance. Improving image sharpness allows you to use higher magnification more efficiently (especially in small achromat refractors).

Characteristics

• in an innovative way reduces the blue light around objects
• cuts off the red color above 650 nm
• in blue color, it cuts off 50% of radiation in the range of 450 nm to 480 nm
• it is characterized by a perfect transmission of light
• cuts off infrared radiation in the 656-1150 nm range, thus being useful in astrophotography
• improves reproduction of shades on planet surfaces
• produced in the 1.25 "and 2" versions
• the combination of the Fringe Killer filter and the red Baader filter becomes to some extent a substitute for the H-Alpha filter; such a set gives a bandwidth of 70 nm
• in combination with the Neodymium Moon & Skyglow filter, we achieve a significant improvement in contrast when observing the Moon and planets
• thanks to excellent workmanship, no visible image distortions are guaranteed for a minimum 300x magnification
• on each side the filter is covered with 50 layers of coatings. These are scratch-resistant coatings, hardened, insensitive to washing