BRASSELER USA BRASSELER VE Loupes Instrucciones De Funcionamiento página 4

4a. Check Telescope Convergence - Through-the-Lens Loupes
Incorrect
(Fig. 4)
(Fig. 5) Raise or lower to gain clear
field-of-view
Incorrect
(Fig. 6)
(Fig. 7)
OPERATING INSTRUCTIONS
When the focus is properly adjusted,
the two circles that form the field-of-view
should form an ellipse (Fig. 4).
If the field is not clear, there is double
Correct
vision, eye strain or no field-of-view:
a. Reposition frame and/or telescope
b. If the frame needs to be lowered –
c. I f the frame needs to be raised –
4b. Check Telescope Convergence –
a. F lip telescopes down so they touch the
Correct
b. I f incorrect, rotate pupil knob until you
on your face until there is a clear
field (Fig. 5).
Note if you have raised or lowered
the frame on your face.
spread the nosepads.
squeeze the nosepads together.
Flip-Up Loupes
eyeglass lens, and verify that image is
correct (Fig. 6).
see one oval or circular field without
overlapping circles (Fig. 7).
3