Sony DSC-W150 Service Manual page 22

2-4-2. Final Inspection (No Fault In Actual Motion/Actual Screen)
1 Zoom motion (Check five postures: horizontal, upward/downward, upper/lower oblique 45º)
No abnormal sound or motion must be found over full stroke between TELE end and WIDE end.
2 Zoom image
No abnormality such as a skipped image or wavy image must be found in the image through LCD or finder over full stroke between
TELE end and WIDE end.
3 Barrier (Check five postures: horizontal, upward/downward, upper/lower oblique 45º)
The barrier must be opened and closed fully, free from a sticking in the midway.
No abnormal sound must be heard during the operation.
4 Appearance condition
Scratches or stains must not be noticeable, except that the customer permits them.
5 Foreign matters on the lens
The lens condition must not be worse than that when the camera was received from the customer.
Lens at WIDE end
Full stroke check
Lens at TELE end
DSC-W150/W170_L2
Upper oblique 45˚
Horizontal
Lower oblique 45˚
2-9E
Upward
Downward