Hold either mouse button, to rotate the model

	Standard	Custom
Materials	All Glass types, Fused Silica & Infrared Crystal Materials
Flatness	/2	/10
Angle	± 3 min	± 5 arc Sec
Surface Quality	60 - 40 scratch Dig	20 - 10 scratch Dig
Dimensions Tolerance	± 0.15	± 0.01
Dimensions available	0.5 mm - 50 mm

Dove prisms rotate the image at twice the angular rate of the prism, along the longitudinal axis.