Hitachi HV-D30 operation manual Video signal type lens adjustment

3)Flangeback adjustment

If focus cannot be adjusted after replacing the lens or at the telephoto and wide angle extremes of a zoom lens, the flangeback can be adjusted. Open the lens iris and adjust as described below.

ξ Fixed focus lens

Set the lens focus ring to infinity and pickup an image more than 20 meters distant. While observing the picture, adjust the focus by turning the flangeback ring in the F or N direction.

ξ Zoom lens

1)Set the lens to telephoto and pickup an image more than 3 meters distant. Turn the focus ring to adjust the focus.

2)Set the lens to wide angle and while using care not to disturb the focus ring, turn the flangeback ring to adjust the focus.

Repeat the above steps until focus is obtained at both the telephoto and wide angle ends.

FAR

NEAR

Video signal type lens adjustment

Adjustment is required after replacing the lens or if using the camera for the first time.

1)Preparation

(1)Release the AGC mode (set the main menu AGC to OFF).

(2)If the light source has a flicker component (e.g., fluorescent or mercury lighting), change the electronic shutter mode (Sub-menu 1 Shutter or Variable) to reduce the flicker.

(3)Adjust the white balance.

7