The right angle prisms are often preferable to an inclined mirror in applications involving severe acoustic or inertial loads, because they are easier to mount, and deform much less than mirror in response to external mechanical stress.
3 arc min(Standard) / 10 arc sce(High Precision)
60/40（Standard）/ 20/10（High Precision）
λ/ 4(Standard) / λ/10（High Precision）per 25mm@633nm
Upon customers' request