Adjusting The Back Focus - JVC TK-C9510E Manuel D'instructions

Setting/Adjustment

Adjusting the Back Focus

This camera is adjusted to an optimum wide range before shipment but
readjustment is required when using zoom lens or when the lens focus
ring is out of focus.
Back focus adjustment ring
Lens focus ring
.
With a Fixed-Focus Lens
If the focus cannot be adjusted correctly with the lens focus ring, adjust
the back focus as follows.
1 Loosen the back focus fastening screw by turning it anti-
clockwise with a + screwdriver.
2 Shoot some fine patterns on the subject or away from the
subject.
3 Turn the lens focus ring to ∞.
4 Turn the back focus adjustment ring to get the best focus.
5 Tighten the back focus fastening screw by turning it clockwise.
E-28
Tighten
Loosen
Back focus fastening
screw (M2)