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Manta Technical Manual V7.2.0

Camera cleaning

Locating impurities

Before you dismount the lens you should find out if the impurity is on the filter,

lens, or sensor. Therefore, you should capture a uniform image (e.g. a white

sheet of paper) with the camera. The affected optical surface is identified when

a suspected optical component is moved and the dirt follows this movement.

1. If you move only the lens (not the camera) and the impurity moves as

well, the impurity is on the lens.

2. If you move the IR cut filter/protection glass window and the impurity

moves as well:

Please carefully remove the filter/protection glass and clean it on both

sides using the techniques explained below.

3. If the impurity is neither on the lens nor the IR cut filter/protection glass,

it is probably on the sensor.

Cleaning Instructions

Perform all cleaning operations (lenses, filter/protection glass, and sensor) in

a dust-free clean-room. The optical components are very fragile so it is import-

ant to avoid touching them with your fingers or any hard material.

1. Unplug the camera from any power supply before cleaning.

2. Apply a small amount of optics cleaner (60% ethyl alcohol, 40% ether) to

a clean, new lens cleaning tissue.

Acceptable material includes medical-grade sterile optical cotton, or lens

tissue that is chemically pure and free from silicones and other additives.

– Do not use cosmetic cotton.

– Do not use consumer eyeglass cleaning cloths pre-treated with silicon.

Note



• Taking out the filter requires special care.

• Ask your dealer to help you if you are not

confident with the procedure.

Figure 3: Removing IR cut filter/protection glass using special tool (E9020001)

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