System 250 Auxiliary Objectives
2X Multiplier Lens (to be used with System 250 models only)
Catalog #: 18754
Cover Shield for System 250 (clear lens)
Catalog #: 187660.7X Reducing Lens (to be used with System 250 models only)
Catalog #: 18736
0.5X Reducing Lens (for use with System 250 models only)
Catalog #: 18750