Amazon.com : Solomark Adjustable Laser Pointer Bracket/Finder Scope Bracket for Astronomical Telescope - Convert Your Laser Pointer Into a Cool Finder for Your Telescope : Electronics
Deluxe Adjustable Laser Pointer Bracket Double-ring Convert Laser Pointer Into A Cool Finder For Telescope - Astronomical Accessary - AliExpress
Agena Laser Pointer Finderscope Bracket
Laser Pointer Bracket Finder Scope Bracket + Fixing Ring Kit for Telescope | eBay