Back-focus adjusment, Note, Lens – Toshiba IK-628A User Manual

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Back-Focus Adjusment

Back-Focus is adjusted at the factory to

accommodate most standard lenses. However, at
times, slight adjustment to the IK-628A back-
focus is necessary.

Mount the Lens to the camea first. Then loosen

the Back-Focus Set Screw. Then rotate the Back-

Focus Adjustment Dial until a clear image is

achieved. Afterwards, tighten the Back-Focus Set

Screw.

Note

When the lens weight is more than 1 kg (2.2 lbs),
support it on the lens side rather than rely on

screw that fix the camera to the tripod.

This camera supports two types of auto-iris lens:

Video-type and DC (direct drive) types. Connect
the auto-iris connector plug to the IRIS terminal
on the side of the camera. Refer to the chart

below for correct wiring and set up.

3. LENS________________

Adjust by retating the lens

Auto iris lens

Video IRIS

Lens

Direct Drive

IRIS Lens

IRIS

1. +12V

1. Damp-(y)

terminal

2. NC

2. Damp+( r)

pin

3. Video

3. Driver+(wh)

4. GND

4. Driver-(g)

AES/AI

AI-AMP

Switch

position