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Auto-Iris Pinhole Lens Operating Instructions
■ Model number
TS420PE
Thank you for choosing PENTAX CCTV lenses. Before operating this
lens, please read these instructions carefully. After reading this
Operating Instructions, keep it for future reference.
■ For your safety on use of a lens
Before operating, pay special attention to the following remarks.
WARNING
This alerts users to the possible
risk of personal harm.
This is a warning to users.
This is to caution users.
Do not look at the sun through the lens with the naked eye.
Loss of eyesight may occur.
Do not disassemble, repair or modify the lens.
Fire, electric shocks or malfunction may occur.
If the lens emits smoke, smells of smoke or gives off heat,
discontinue use immediately. Fire or electric shocks may occur.
Do not damage, bend, twist or pull on the cable. Fire, electric
shocks or malfunction may occur.
Do not leave unused lenses in direct sunlight. Fire may occur.
Mount the lens firmly on a camera, so that it will not loosen
and fall off.
Do not install the lens in a place where vibration and shock
are expected. It may come loose and fall off.
■ Precautions
• Do not use organic solvents, such as thinners, alcohol or benzine to
remove stains from the lens.
• Use a blower or a clean lens brush to remove dust. When grease or
fingerprints are on the lens, wipe them off with a lens cleaning paper
and lens cleaner gently forming a swirl from the center to the
circumference.
• Connect the cable properly referring to the following list entitled
"Auto-iris Cable connections".
• This lens is a precision optical product. Avoid dropping, strong
vibration, shock and pressure on it.
• Keep the lens away from dust, poisonous gas, moisture and salt. It
may cause lens malfunction.
■ Mounting and removing the lens
Before mounting the lens, confirm the camera mount matches the lens.
This lens cannot be used on a C mount camera.
Some cameras are C and CS mount compatible. Refer to the
Operating Instructions of the camera.
① Screw the lens clockwise into the camera.
② Loosen the lens from the tight position one full turn counter-
clockwise.
③ Firmly push the lens towards the camera until a movement is felt.
(This releases a slipping clutch within the lens.)
While pushing, rotate the lens towards the desired direction and
position.
④ If the lens is not at the desired position, repeat the procedures ②
and ③, and mount the lens firmly on the camera.
HOYA CORPORATION
PENTAX Imaging Systems Division
Security Systems Sales Department
2-36-9, Maeno-cho, Itabashi-ku, Tokyo 174-8639, Japan
Phone +81-3-3960-0347 Fax. +81-3-3960-0337
CAUTION
This alerts users to the possible risk
of personal and material harm.
WARNING
CAUTION
3170403-Z2-1 (E) S3095088
■ Auto-iris Cable connections
Installation of the auto iris Cable. This is a DC Drive iris lens.
Pin No.
Color/Specifications
1
Blue / Damping Coil -
2
Red / Damping coil +
3
White / Driving coil +
4
Green / Driving coil -
* Japan Electronics and Information Technology Industries Association
■ Iris adjustment
This is a DC Drive iris lens. Please refer to Operating Instructions of
the camera.
■ Adjusting back focus
The flange back of this lens is factory adjusted for CS mount camera.
In case you are unable to focus either at the shortest or longest focal
lengths, adjust the back focus of the camera by the following method,
referring to the Operating Instructions of the camera.
① Fully open the iris by either of the following methods.
・ Set the auto electronic shutter of the camera to On.
・ Cover front of the lens with a ND filter according to the prevailing
lighting conditions.
The brighter the lighting conditions, a higher ND factor is
required.
② Observe an image of a distant object. (Over 10m is recommended.)
③ Set the focus ring at [FAR] position, and then adjust back focus of
the camera.
■
marking
The lenses having CE marking on the bodies are conformity with the
standards related to EMC directives by EU.
■ After-sales servicing
Contact your supplier for after-sales servicing.
■ Composition
・Lens body
・Front cap
・Operating instructions
■ External view
■ Main specifications
Format size
Mount
Focal length
Iris range
Minimum object distance
Driving coil
Damping coil
Driving voltage
Temperature range
Note: This type lens the images are reversed on the monitor both
vertically and horizontally.
To correct this overturn the camera or the deflection coils
both vertically and horizontally.
This pin configuration is
conforming to JEITA*
Standard.
・Rear cap
1/3
CS
4mm
F2～F64
0.3m
200Ω±10％（25℃）
700Ω±10％（25℃）
+4V or less (Close to Open)
Over 0.5V (Open to Close)
-20℃ - +50℃
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