Chapter 3 - Viewfinders
4 cm viewfinder
3.1.4 - Mechanical settings
To adapt the viewfinder to the operator's vision, make the following adjustments:
• Longitudinal position adjustment
Loosen the knurled locking ring (1) on the viewfinder and move the viewfinder
assembly. Tighten the knurled locking ring.
• Transverse position adjustment
Loosen knurled locking ring (2) on the viewfinder and move the viewfinder assembly
to the right or left. Tighten the knurled locking ring.
• High - low position adjustment
Raise or lower the eyepiece.
• Focusing adjustment
Rotate the focusing ring to move the eyepiece internal lens.
Procedure:
- With the camera, aim at a distant object and adjust the focusing.
- While observing the same object with the left eye free, rotate the focusing ring so that
the image in the viewfinder is clear (in focus).
B1657D902D
October 2001
THOMSON TTV 1657D
User manual
163