background image

User`s guide 

Thank you very much for purchasing this product. Before 

using the product, be certain to read this guide to allow 

correct use.

Cautions

Handling the product

This product has a water and dust resistance structure in 

which O-rings are arranged in the focus and iris replacing 

mechanism and in the C-mount part. Be sure to confirm 

and observe the precautions described below. * The lens 

unit is not water and dust resistance as a single unit.

 

– Make sure that the lens is properly attached to the 

camera.

 

– Avoid use of the product underwater or operation 

under high humidity conditions; do not operate or 

disassemble the moveable parts with water drops 

attached. If moisture remains inside the product, it will 

cause lens fogging. If there is fogging on the interior, be 

sure to remove the front lens unit and dry the inside.

 

– Do not allow liquids which include substances other 

than water, such as oil, solvents, detergents, or 

chemicals, to contact the product.

 

– Do not leave the product for a long period with water 

drops attached without drying it. It is possible that this 

will cause degradation, rusting, or soiling of the glass, 

housing and O-rings, resulting in the product becoming 

unusable.

 

– Be sure to confirm that there is no damage or dirt on 

the surface of the camera C-mount.

Handling O-rings

 

– Please check that there is no dirt, hair, or dust attached 

to the O-rings.

 

– Do not wipe the O-rings with alcohol or solvents such 

as thinners.

 

– Be careful not to damage the O-rings. If the O-rings 

become damaged they will need to be replaced.

 

– If the O-rings have changed shape or are twisted, the 

product may not attach properly. 

How to use

Names of parts

Mounting the lens on a camera

Confirm that there is no scratching or dirt on the camera 

and lens C-mount parts, then screw the lens in to the 

camera. Confirm that the lens has been firmly screwed in 

so that there is no gap between the C-mount surfaces.

Replacing the iris plate
1. 

Turn the locking ring in the FAR direction (mount 

direction) until it is lightly tightened. 

2. 

While supporting the locking ring and main body unit in 

one hand, turn the front lens unit in the NEAR direction 

to loosen it and remove it from the main body unit. 

The unit can be easily loosened if you wear slip-proof 

rubber gloves.

3. 

Take out the iris plate (OPEN) which is contained inside 

the main body unit and insert the iris plate that provides 

the required brightness.

4. 

Reversing procedure (2.), turn the front lens unit in the 

FAR direction to tighten it into the main body unit. 

Firmly tighten the front lens unit into the main body unit 

until it cannot be turned any further.

Adjusting the focus
1. 

Loosen the locking ring by turning it in the NEAR 

direction.

2. 

Holding the lens main body unit, turn it with regard to 

the camera to adjust the focus.

3. 

After adjusting the focus, turn the locking ring in the 

FAR direction until it comes into contact with the mount 

side to tighten it. 

When you wish to loosen the locking ring, the ring will 

become easier to loosen if you turn it in the NEAR 

direction while holding the main body unit and mount. 

 Caution: Limit of the focus moveable range

The focus is adjusted by rotating the lens main unit, which 

extends and shortens the total lens length. During this 

adjustment, do not use the lens exceeded so far that the 

recessed part (limit line) shown in the diagram below. The 

O-ring may also be damaged, becoming unusable. 

1

BAM LS-VS-008-C2/3-_ _ _ _-5

Ruggedized Waterproof Lens

User`s guide 

How to use (continued)

english

Limit 

line O-ring

Iris plates (Attachments)

Locking ring

Main 

body unit

Iris 

plate

Front  

lens unit

Instruction Video

C-mount

Reviews: