Modular Focusing Unit
Modular Focusing Unit IM-4
Focusing unit to be installed into the main unit
*Accepts the CFI60-compliant L-UEPI100 universal epi-illuminator, L-EP150 epi-illuminator, and a motorized nosepiece
* Load capacity: 4kg (10kg with balancer
* Distance from optical axis to mounting interface: 141mm
* Coarse focusing stroke: 5.2mm/rotation

Modular Focusing Unit IM-3
Focusing unit to be installed into the main unit
*Accepts the EPI-U universal epi-illuminator and a motorized nosepiece, which support the CF Infinity Corrected optical system
* Load capacity: 4kg (8kg with balancer)
* Distance from optical axis to mounting interface: 141mm
* Coarse focusing stroke: 5.2mm/rotation