Right Angle Acrylic Prism, 100 x 25 x 35mm Size_Large Nylon ball-bearing adjustable clamp pulley

Nylon ball-bearing adjustable clamp pulley supporting low-friction rotation across varied rod-and-stand mounts

and coil wire with step-by-step assembly instructions

each rated to hold over 50 lbs

the shorter focus delivering more magnification at the cost of field of view

Spring-loaded 4mm slit on a rod attachment opens and closes smoothly under finger pressure

Right Angle Acrylic Prism, 100 x 25 x 35mm Size_Large Nylon ball-bearing adjustable clamp pulleyLarger 100 by 25 by 35mm right angle acrylic prism, the elongated triangular geometry handling longer ray paths for total internal reflection and beam redirection optics.