14. Lenses and Lens Holder
Necessary tools
• Allenkey3mm
• Nut driv er 13 mm
• Nut driv er 10 mm
How to adjust
1. P roject a green focus pattern.
Image 14-37
2. L oosen the lock nuts (a, b, c and d). See image 14-36.
3. L oosen the 4 set screws (A, B, C and D) by 1 cm. See image 14-36.
4. Fully loosen lock nut 4. See image 14- 36.
5. Op timize the focus of the projected im age as follows:
a) Place the zoom lens in TELE position (smallest projected image) and ad just the focus using the lens focus barrel or motorized
focus c ontrol.
b) Place the zoom lens in W IDE position (largest projected image) and adjust the focus by turning e qually on nut 1, 2 and 3.
c) Repeat steps “a” and “b” until the projected image is as sharp as poss ible.
1
2
3
F
Image 14-38
Center focusing
R5905312 HDF W SERIES 24/01/2013 231