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White vandal-proof dome camera with vari-focal lens ring and cable tail

Bluecctv

Bluecctv BL-VP9851AV analog camera 650 TVL 2.8-12mm vari-focal vandalproof dome 12V DC

SKU CH-ZV8X-9T4W8

Analog vandal-proof dome camera with 650 TVL resolution, 2.8–12mm vari-focal lens, and 0.003 lux low-light sensitivity

  • 650 TVL resolution captures detailed analogue footage
  • 8-12 mm vari-focal lens adjusts viewing angle on site
  • Vandal-proof dome housing resists physical tampering
  • 003 lux sensitivity records colour images in near darkness
  • 12 V DC input simplifies power installation

Bluecctv BL-VP9851AV analog dome camera

The Bluecctv BL-VP9851AV is a vandal-resistant dome camera for analog CCTV systems. It uses a 1/3 inch Sony Super HAD II CCD sensor with 811 by 508 effective pixels and delivers 650 TV lines of horizontal resolution. The 2.8 to 12 mm vari-focal lens allows manual adjustment of the viewing angle. It operates on 12 V DC power.

Low-light performance and signal quality

The camera reaches 0.6 lux in colour mode and 0.003 lux in low-light conditions, supported by digital wide dynamic range and super low lux processing. An on-screen display menu provides configuration access. The signal-to-noise ratio exceeds 60 dB for cleaner video output. The rugged dome housing protects the internals from physical impact.

Upgrade path from fixed-lens analog cameras

This model replaces fixed-focal-length analog domes when the field of view must be tuned on site. The vari-focal lens removes the need to stock multiple fixed lenses for different mounting distances. The jump is worth it when installers need flexible coverage without swapping hardware, but it does not add IP networking or megapixel resolution.

Highlights

  • 650 TVL resolution captures detailed analogue footage
  • 8-12 mm vari-focal lens adjusts viewing angle on site
  • Vandal-proof dome housing resists physical tampering
  • 003 lux sensitivity records colour images in near darkness
  • 12 V DC input simplifies power installation

Specifications

BrandBluecctv
ModelBL-VP9851AV

Questions about this item

How is the 12V DC power connected and what wiring mistake should I avoid?

Connect the 12V DC supply to the camera's power terminals, observing correct polarity; reversing the wires can damage the unit.

Which components of the BL-VP9851AV will need maintenance or replacement over time?

The 2.8-12mm vari-focal lens may need occasional refocusing, and the 1/3" Sony Super HAD II CCD sensor can degrade after years of continuous operation.

At what light level does the camera switch from colour to a noisier image during sustained night use?

The colour mode operates down to 0.6 lux; below that the image becomes grainy as the sensor reaches its 0.003 lux minimum sensitivity.

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