The illuminating parts of a microscope are the parts that enable us to see the detail of the subject placed under the microscope.
Oxford Street
Blackpool Illuminations was created in 1879.
Illuminations - video - was created in 1993.
Skyburst Illuminations was created on 1998-07-08.
Illuminations - EP - was created on 2009-06-09.
Some words associated with illuminations are light, radiant, brilliance, visibility, enlightenment.
the arm
Illuminations - Josh Groban album - was created on 2010-11-15.
Shadows and Illuminations - 2010 was released on: USA: 18 September 2010
at the ARM of a microscope...
The part of the microscope that you look into is called the eyepiece.
Illuminations, or "to illuminate" means to create a "visual story" because illuminations are literature pieces shown in drawings and such.