Stereo Optical Company Stereo Butterfly Stereo Depth Perception Test Random Dot Butterfly - S0005

This item requires 3-5 Business Days to process and prepare for shipping.

• Tests and evaluates random dot stereo depth perception for both gross stereopsis (2500 to 1200 seconds of arc) and fine depth perception
• Test includes: Graded circle test (800 to 40 seconds of arc), Animal test for children (400 to 100 seconds of arc), One pair of standard 3-D viewers