1.25" 90-deg Erecting Prism Diagonal Helical Focusing (M-P90)
This item is out of stock but you can place an order now and we’ll ship when it becomes available.
1.25" 90-deg Erecting Prism Diagonal with Helical Focusing
For use only with 50mm CCD guidescope to convert guidescope into a right angle correct image finderscope. Diagonal features a helical focusing
mechanism in the eyepiece holder with 15mm of focus travel.