Connection / Installation
Mounting the Lens

1.Check the mounting method of the lens to be used before mounting

●The default method used for this camera is CS mount. To use a C mount lens, loosen the back focus fastening screw using a screwdriver, followed by turning the back focus adjustment ring using a finger or pointed object (e.g., screwdriver, etc.) to change the mount method.

●Make use of the values listed in the table below for the dimensions of the lens mount

(a) indicated in the following diagram.

Lens

Flange Focus (b)

Dimension (a)

 

 

 

C Mount

17.526 mm

VN-V25U:10

Lens

 

mm and below

 

 

VN-V26U:5.5

 

 

mm and below

 

 

 

CS Mount

12.5 mm

5.5 mm and

Lens

 

below

 

 

 

●Objects longer than the dimension (a) must not be used as doing so may damage the camera interior or prevent the lens from being properly mounted, hence resulting in malfunctions.

2.Turn the lens in the clockwise direction to mount it to the camera firmly

3.When using a DC iris lens, pay attention to the pin position before connecting the lens cable

2.

MONITOR OUT

PAL OFF NTSC

RESET

STATUS

 

 

1

3

3.

2

4

 

4.Pin Plug

 

 

 

1

3

 

 

 

 

4

 

 

 

 

2

 

 

Pin No.

 

DC Iris Lens

 

 

(Without Built-in EE Amplifier)

Loosen

 

 

 

Back Focus Fastening

1

 

Damping (-)

 

 

 

 

(a)

Screw (M2.6)

2

 

Damping (+)

 

F

 

 

 

 

 

3

 

Driving (+)

 

 

4

 

Driving (-)

 

(b)

 

 

 

16