AMCON EQ-6001 User Manual - Page 4

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Fig. 1 – Diagram of Optical Principle

(1)Light Source (2)Color Filter (3)Marker Reticule (4)Measuring Objective Lens (5)Diaphragm (6)Prism

Compensation Device (7)Objective Lens (8)Eyepiece Reticule (9)Eyepiece (10)Reading Division Board (11)Reflect

Lens (12)Front Lens (13)Right Angle Prism (14)Back Lens

FUNCTIONS OF MAJOR COMPONENTS

Eyepiece (Fig. 2)

The eyepiece is equipped with a spiral focusing unit whose range of focusing is

+/-5D so as to suit various refractive errors.

Fig. 2

Eyepiece Reticule and Marker Reticule (Fig. 3 & Fig. 4)

Reticule in the field of view of eyepiece is shown as Fig. 3. The reticule is divided with measuring scale and

dividing disc of prism degree. Integer degree of prism is directly read on the measuring scale and decimal

one estimated according to the degree on the measuring scale. The dividing disc is ruled with an interval of

5º. The marker reticule is shown as Fig. 4. Three long green lines are in the horizontal position.