# #Mon Aug 09 12:01:57 CEST 2010 Text__IqQlYKOdEd-WfYQ0GneCwQ_title=Pole Shoe and Specimen Gate of the DEEKO 100 Text__IqQlYKOdEd-WfYQ0GneCwQ_text=

In order to achieve the highest possible magnification with the electron microscope, Ruska places the specimen in the middle of an electromagnetic lens. The upper half functions as a condensing lens and the other as the objective. Because a vacuum exists in the electron microscope, the specimen is introduced by means of a gate.