Free Shipping On Many Items

The Telescope Authority
Since 1947

View Shopping Cart

Your Cart is Empty

Used Astrodon Sloan Photometric r'2 Telescope Filter - 50mm Square

SKU : UT-14542

- Read
Add to Wishlist

Got questions? Click for live chat

  • This Used item is in "Like New" condition and comes with all original packaging.
  • Spectral profile designed after Sloan Digital Sky Survey
  • Peak transmission guaranteed 95%
  • 1/4-wave propagated wavefront prior to coating
  • Parfocal with all Astrodon filters
  • Proudly made in the U.S.A.

Product Details

  • The Sloan Digital Sky Survey photometric system is the most common research filter set used today. It was designed to include¬†five mostly¬†non-overlapping filters covering 300nm to 1100nm on the electromagnetic spectrum, which best matches the sensitivity¬†range of digital sensors.¬†

    Astrodon's r' photometric telescope filter, has a peak transmission of 95% and allows wavelengths between 562nm and 695nm to pass.

  • specifications

    BandpassBroadband
    Filter Thickness3mm
    Filter TypeSloan
    ShapeSquare
    Size50mm
  • included items

    • Photometric r' Telescope Filter

Product Reviews