The flipper can hold up to four lenses. Each lens is marked with its power on its surface. Furthermore, it has adjustable PD scales which are engraved as well as color painted. It comes in a sturdy case.
Available in ±0.25D, ±0.50D, ±0.75D, ±1.00D, ±1.50D, ±2.00D
Model Number Not Applicable