Polarized Variable Vectograph: Aquarium

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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 secon ds 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 guide, and standard polarized glasses. Show more