Right Angle Acrylic Prism, 100 x 25 x 35mm Size_Large Spring-loaded 4mm slit on a

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

Ratchet-stopped nickel-plated brass 25 mm micrometer screw gauge reading to 0

and grease splashes across the torso in a 27 by 30 inch rubberized vinyl apron

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

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

Right Angle Acrylic Prism, 100 x 25 x 35mm Size_Large Spring-loaded 4mm slit on aLarger 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.