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Bluecctv PT-7M42 box-style CCTV camera, 27x optical zoom, 420TVL resolution

Bluecctv

Bluecctv PT-7M42 27x Zoom 420TVL CCTV Camera

SKU CH-JNB0-S4BXY

Analog box camera with 27x optical zoom, 420 TVL resolution, ICR day/night switching, auto focus from .1 m and RS-485 control

  • 27× optical zoom brings distant detail close
  • 420 TVL resolution delivers clean, noiseless pictures
  • Auto-focus locks on subjects from 0.1 m to infinity
  • Built-in IR-cut filter switches automatically between colour day and B/W night images
  • RS-485 and on-screen menu give full remote control

Bluecctv PT-7M42 27x Zoom Camera

The Bluecctv PT-7M42 is an all-in-one analogue CCTV camera built around a 1/4 CCD sensor delivering 420TVL resolution. It provides 27x optical zoom with auto focus from 0.1m to infinity. Integrated ICR day and night switching selects colour or black-and-white images automatically. RS-485 control and on-screen menu access allow remote configuration.

Upgrade from fixed-lens analogue cameras

This unit replaces fixed-lens analogue cameras when variable focal length and remote zoom control are required. The jump is worth it for installations that need to adjust the field of view after mounting or that demand automatic day and night transition via the built-in IR-cut filter. It is not for buyers who need IP networking, megapixel resolution, or Power over Ethernet connectivity.

RS-485 and line-control installation

The camera supports RS-485 communication cable control plus external line control for lens functions, simplifying integration with compatible DVRs or keyboards. On-screen menu navigation aids setup without additional tools. What usually goes wrong is incorrect RS-485 address or baud-rate settings preventing remote operation, or wiring faults on the external control lines that disable zoom and focus commands.

Highlights

  • 27× optical zoom brings distant detail close
  • 420 TVL resolution delivers clean, noiseless pictures
  • Auto-focus locks on subjects from 0.1 m to infinity
  • Built-in IR-cut filter switches automatically between colour day and B/W night images
  • RS-485 and on-screen menu give full remote control

Specifications

BrandBluecctv
ModelPT-7M42

Questions about this item

What mounting method does the PT-7M42 box camera use?

The camera is a box-type unit designed to be mounted with a separate bracket or housing; no integrated mount is included.

How is the RS-485 control link wired during installation?

Connect the RS-485 communication cable to the camera's control terminals and configure the address via the on-screen menu; the step often missed is setting the correct protocol and baud rate to match the DVR.

When will the built-in IR-cut filter need replacement?

The IR-cut filter is a sealed internal component with no user-serviceable parts; it is designed to last the camera's operational life and does not have a scheduled replacement interval.

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