![background image](http://html1.mh-extra.com/html/barco/r9849975/r9849975_installation-manual_3864009013.webp)
3. Adjusting the lens
3. ADJUSTING THE LENS
Overview
•
•
3.1
Back focal length adjustment
What can be done ?
The position of the projector lens in relation to the interpolation lens can be adjusted. The lens can be shifted towards or away from
the projector chassis . By doing so, the back focal length is adjusted and the focus is set to an optimal value. This adjustment will
allow to bene
fi
t from the largest adjustment range for the lens focus (motorized lens focus).
1
1
1
1
2
Image 3-1
Back Focal length adjustment.
1
Locking screws
R59770110 QSD LENSES 03/11/2008
9