Cage Guide Rod

◦ Four dedicated rods are used in the cage system to attach various kinds of components along the optical axis.
There are three types of cage system available. Two types uses dedicated rod of dia. 6mm. One of them is P30 mm corner arrangement (C30 series) and another one is P60 mm corner arrangement (C60 series).
In addition, the one uses a dedicated rod of dia. 4mm is available for P16 mm corner arrangement to miniaturize.
◦ Mirror holders are supported by four (or three) rods (cages).
◦ The cage system has no distinction of up, down, left and right. Therefore, it is possible to place the holder in various orientations, which is convenient for constructing a three-dimensional optical system.