The Bintel secondary mirrors are flat. Dead flat. Our manufacturer specifies a 1/12 λ RMS on the surface. All Bintel secondary mirrors mirrors have an enhanced aluminium reflective coating with a reflectivity of approximately 93%. In addition to the enhanced aluminium coating, the mirrors feature SiO2 protective coatings to extend the life of the aluminium coating. Please also check out our range of primary mirrors to pair with your secondary.
Bintel secondary mirrors are available in a variety of sizes to suit your needs. Choose from the drop down list below.