The Aquarium Polarized Variable Vectograph has a range of 6,100 seconds of arc stereopsis depth. The aquarium images are above, below, and even with the image at 30 to 1500 seconds of arc & -25 to -1100 seconds of arc. Features a total accommodation range of 40 diopters with a 16-diopter range for base-in (divergence) training and a 24-diopter range for base-out (convergence) training.

Includes the right & left vectographs, a standard viewer, and standard polarized glasses.