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Six collimation bolts pass through the back plate,
shown above. |
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Three act as push screws, putting a force upon the
back of the yoke cell, which sits on the other side of the back
plate. |
The three other bolts act as pull screws, pulling
on the yoke cell. |
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Using this method allows for collimation of the optics
as well as the ability to "lock" the mirror cell into
place. |
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Back plates will soon be available in the standard
sizes. The first will be complete by the end of August, 2005. |
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