A performance test apparatus includes a control unit, an image taking
device, and a base having a table and a frame mounted to the table. The
image taking device includes at least one image taker and at last one
parallel light source. The at least one image taker is movably mounted to
the frame and electrically connected to the control unit. The at least
one parallel light source faces the table and is electrically connected
to the control unit. The least one parallel light source includes a
plurality of spot light sources. The control unit controls on/off of the
at least one parallel light source, so that the at least one parallel
light source flicker at a high frequency.