Explore Scientific Telrad View Finder focal reducer 25" filter thread

25" filter thread

This eliminates the use of reduction gears in the drive and therefore reduces the play in the transmission

47The purple filter is perfect for viewing Venus

Backfocus fully inward focused: 60mm

One Shot Colour Astro Camera 16

Explore Scientific Telrad View Finder focal reducer 25" filter threadThe Telrad viewfinder is a projection finder that can be installed on any telescope and makes it extremely easy to align the telescope with stars in the night sky. The Telrad viewfinder is a practical alternative to classic optical viewfinders and illuminated red dot viewfinders. You can see the complete starry sky without magnification, and not just a small section as with a normal optical viewfinder. Against the background, three red luminous