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White dome CCTV camera with varifocal lens and mounting bracket

Computar Ganz

Computar Ganz ZC-DWNT8312NBA 690 TVL 3.3-12mm varifocal cctv camera

SKU CH-BPSD-BSGYQ

A 690 TVL dome camera with a 3.3-12mm varifocal lens, True WDR and IP67 weather resistance for outdoor surveillance

  • Clear images in low light with 690 TVL resolution
  • True WDR balances bright and dark areas
  • 3-12mm varifocal lens adjusts field of view
  • IP67 rating withstands harsh weather outdoors
  • Dual 12/24 V power simplifies installation

690 TVL varifocal dome camera

The Computar Ganz ZC-DWNT8312NBA is a 1/3-inch PIXIM digital sensor dome camera rated at 690 TVL for professional CCTV installations. Its 3.3-12mm computar varifocal lens and true wide dynamic range suit installers who need adjustable coverage and reliable exposure in mixed lighting. IP67 weather proofing and dual-voltage 12 VDC or 24 VAC auto-sensing make it viable for both indoor and outdoor deployments.

Replaces fixed-lens analog cameras

The varifocal 3.3-12mm lens removes the need to stock multiple fixed focal lengths, so one unit covers wide corridors and narrow entrances alike. True day/night switching with an IR-cut filter and 3D digital noise reduction keep usable footage after dark without extra illuminators. The jump is worth it when a site demands flexible framing and consistent highlight or backlight compensation across changing conditions.

Three-axis bracket and gang-box mount

A 3-axis manual pan/tilt rotation bracket allows precise aiming on wall or ceiling surfaces, and the housing is gang box mountable for standard junction boxes. Auto-sensing 12 VDC or 24 VAC power eliminates wiring mismatches during commissioning. Common issues arise if the OSD tact switch is used with wet fingers or if optional mounting accessories are omitted on vibration-prone poles.

Highlights

  • Clear images in low light with 690 TVL resolution
  • True WDR balances bright and dark areas
  • 3-12mm varifocal lens adjusts field of view
  • IP67 rating withstands harsh weather outdoors
  • Dual 12/24 V power simplifies installation

Specifications

BrandComputar Ganz
ModelZC-DWNT8312NBA

Questions about this item

What mounting options does the ZC-DWNT8312NBA support?

It is gang-box mountable and includes a 3-axis manual pan/tilt rotation bracket for ceiling or wall installation. Optional mounting accessories are also available.

How do I configure the OSD on the ZC-DWNT8312NBA and what step is often missed?

Use the multi-function tact switch on the camera body to navigate the OSD. The step often missed is setting the correct video mode for True WDR and True Day/Night before adjusting exposure zones.

What power supply does the ZC-DWNT8312NBA require and what maintenance should I expect?

It operates on 12VDC or 24VAC with auto-sensing. Maintenance involves periodic lens cleaning and checking cable seals to maintain the IP67 weather rating over time.

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