3
OPERATING INSTRUCTIONS
Orascoptic
®
Telescopes
a.
Sit in your working position and focus on operating
site
(
Fig. 4).
b.
Have someone measure from your eye to the
operating site. Distance should match working
distance ordered.
c.
If distance is incorrect, call Technical Support
(see
back of manual).
* For HiRes
™
Plus Telescopes Only
If ordered working distance is close to your actual
working distance, you can fine tune the working
distance.
a.
Close one eye – gently turn the opposite, outer
telescope housing to focus on operating site.
b.
Repeat the procedure by closing the other eye and
adjust the other telescope.
4. Check Working Distance
(Fig. 4)
*
CAUTION
– DO NOT make
large adjustments. The telescopes have
been factory adjusted to focus at or
near the ordered working distance.
Incorrect
Correct
(Fig. 5)
(Fig. 6)
Raise or lower to gain clear
field-of-view
(Fig. 7)
Three nosepad
mounting positions
(01 standard frame only)
When the focus is properly adjusted, the two circles that
form the field-of-view should form an ellipse
(Fig. 5).
If the field is not clear, there is double vision, eye strain or
no field-of-view:
a.
Reposition frame and/or telescope on your face until
there is a clear field
(Fig. 6).
Note
if you have raised or lowered the frame on your
face.
b.
If the frame needs to be lowered – spread the nosepads.
c.
If the frame needs to be raised – squeeze the nosepads
together.
d. 01 Standard Frame Only:
If the frame needs to be raised or lowered further, the
nosepad requires remounting
(Fig.7).
e.
Unscrew nosepad and move to the higher or lower
position and remount nosepad.
5a. Check Interpupillary Distance –
Through-the-Lens and
Through-the-Flip Telescopes
Summary of Contents for Telescopes
Page 1: ...Telescope User Manual ...
