The SVBONY ultra high contrast filter/UHC telescope filter is designed to improve the image contrast of nebulae and other deep-sky objects. Due to its ability to produce exceptionally sharp and clear images;this filter is considered one of the most popular astronomy accessories;it can be used not only for celestial observations but also for astrophotography. 0.5x focal reducer cuts the telescopes focal length in 0.5 times of original's to get a wider field of view SVBONY 0.5X Telescope Focal Reducer 1.25 inches Filter Thread 28.5x0... Lower magnification and wider field of view;shorter exposure times for astrophotography when you are using the SVBONY 1.25 0.5x focal reducer. Fully anti-reflection coatings on all air-glass surfaces for increased contrast SV209 Focal Reducer/Field Flattener 0.8x for SV550 122F7 Triplet Field Flattener 2 SV550 122 APO Refractor Telescope -SV209 0.8x Focal Reducer/Field Uhc Filter 1.25 UHC filters or light pollution reduction filters are designed to selectively reduce the transmission of certain wavelengths of light;especially those produced by artificial light Review of Tupperware Pie Press or Empanada Makers UHC filters or light pollution reduction filters are designed to selectively reduce the transmission of certain wavelengths of light;especially those produced by artificial light.
