Hikvision DS-2CD2T45G0P-I Bullet 4MP 1.68mm 180 degrees Extreme wide angle lens

Model: DS-2CD2T45G0P-I

Who This Is For

When eliminating blind spots across a wide open area is the primary installation challenge, the Hikvision DS-2CD2T45G0P-I delivers a genuine 180-degree horizontal field of view from a single bullet camera body. This is a specialist tool aimed at installers and security planners who need panoramic coverage from one mounting point - think car parks with a straight row of bays, building entry corridors, retail counters, or perimeter walls where the standard 90-110-degree camera simply leaves gaps at the edges. At 4MP resolution across that full 180-degree sweep, there is enough pixel density for practical identification at reasonable distances. The 1.68mm ultra-wide lens is not a general-purpose choice - it is selected deliberately for specific scenarios where angle of view matters more than long-range reach. Facilities managers, loss-prevention teams, and integrators specifying single-camera coverage zones will find this model worth evaluating carefully before committing to a multi-camera layout.

What This Camera Actually Does

Who Buys This Model

• Retail loss-prevention teams: Mounting above a service counter or checkout lane where a single 180-degree camera captures the full width of the counter, eliminating the need for multiple dome cameras and reducing cabling runs.
• Car park and facilities operators: Covering a straight bay row or undercover entry point from a single end-wall position - scenarios where adjacent or overlapping cameras would be expensive and impractical to cable separately.
• Security integrators reducing camera counts: Specifying fewer mounting points on a constrained budget by replacing 2-3 standard cameras with 1 x DS-2CD2T45G0P-I where the geometry of the area supports it.
• Building entry and reception managers: Positioning the camera above a lobby door or entry threshold to capture everyone passing through a wide opening without a fisheye dome requiring ceiling access or complex dewarping software.

Honest Assessment

The DS-2CD2T45G0P-I genuinely solves one specific problem: getting maximum angular coverage from a single bullet-form camera position. The 180-degree horizontal FOV from a 1.68mm lens is among the widest available in this camera class, and combined with 4MP resolution and 120dB WDR, it performs well in mixed-light entry and counter scenarios. H.265+ compression keeps storage demands manageable on shared NVR systems, and IP67 protection makes outdoor wall-mounting viable without additional housing.

Where it falls short is range. The EXIR IR reach of 10 metres is short by bullet camera standards, and the extreme wide-angle distortion at the frame edges means it is not suited for identification at distance. If long-corridor monitoring, perimeter detection beyond 10-15 metres, or high-accuracy licence plate capture is the requirement, a longer-focal-length bullet or PTZ from the Security Australia range will deliver better results for those specific use cases.

Before You Buy

Quick Fit Check

• Good match if: You need to cover a wide horizontal span - such as a full service counter, entry threshold, or bay row - from a single wall or soffit mount, and the depth of the monitored area is within 10-12 metres of the camera position.
• Good match if: The installation involves mixed ambient light levels, such as a covered entry facing an open outdoor area, where the 120dB WDR is needed to hold detail in both the bright and shaded zones simultaneously.
• You may need a different model if: The primary requirement is long-range identification, perimeter detection beyond 15 metres, or licence plate capture - in those cases a longer-focal-length bullet camera or a PTZ with optical zoom will be a significantly better fit for the application.

Key Features & Technical Specifications

Real-World Scenarios

How It Compares

• Choose this if: Maximum horizontal angle of view from a single wall or soffit mount is the primary requirement, and the monitored area is within 10-12 metres of the camera position.
• You may need a different model if: Long-range identification, perimeter monitoring beyond 15 metres at night, or wide-area outdoor coverage with full dewarping and multiple virtual views is the goal - a multi-sensor panoramic camera or a PTZ with optical zoom will be a stronger fit for those applications.
• Pairs well with: A standard PoE NVR with H.265 support and sufficient channel capacity - the camera's dual-stream output and H.265+ compression allow it to coexist alongside higher-bitrate cameras on a shared recording system without disproportionate storage consumption.

Common Questions

1. Does this camera really cover a full 180 degrees, or is that the diagonal measurement?

   Both the horizontal and diagonal fields of view are 180 degrees. The vertical FOV is 101 degrees. This is confirmed in the manufacturer specifications for the 1.68mm lens on this model. The extreme horizontal sweep is a genuine characteristic of this ultra-short focal length, not a marketing diagonal figure padded to sound larger.

2. Will this camera work on a standard PoE NVR port?

   Yes. The DS-2CD2T45G0P-I supports standard IEEE 802.3af PoE, so it operates from any standard PoE NVR port or PoE switch port without requiring PoE+ (802.3at). A single Cat5e or Cat6 cable run carries both power and data. Confirm your NVR has a free PoE port with sufficient wattage remaining before installation.

3. How bad is the barrel distortion at the frame edges?

   Noticeable, and by design. A 1.68mm lens producing a 180-degree field of view will always introduce significant barrel distortion - objects at the far left and right edges of the frame will appear stretched and curved. This is not correctable without dewarping software, and unlike a fisheye dome on a compatible NVR, this camera does not produce multiple dewarped virtual views. It is best used where the wide sweep overview is the goal and edge distortion is an accepted trade-off.

4. Does this camera support dewarping or multiple virtual views like a fisheye camera?

   No. The DS-2CD2T45G0P-I is a standard bullet camera with a wide-angle lens - it does not generate multiple dewarped virtual view streams or support panoramic dewarping modes in the way a dedicated fisheye camera does. The output is a single wide-angle video stream. If your NVR or VMS has fisheye dewarping capabilities, those will not apply to this camera model.

5. Will this camera work for monitoring a loading dock or outdoor yard at night?

   Only within 10 metres. The built-in EXIR LED provides IR illumination to a maximum of 10 metres in darkness. Beyond that distance, night image quality drops significantly. For loading docks or yards requiring night visibility at 20-40 metres, a bullet camera with a longer IR range would be the more suitable product. The DS-2CD2T45G0P-I is better suited to shorter-range wide-angle night coverage - an entry threshold, covered walkway, or indoor area with no ambient lighting.

6. What DORI distances apply to this camera given the 180-degree lens?

   DORI (Detection, Observation, Recognition, Identification) distances are significantly compressed on a 1.68mm ultra-wide-angle lens compared to standard focal lengths. Precise DORI figures for this specific model are not published in the available specification data. As a practical guide: detection (is someone present) and observation (general activity) are achievable across the full frame at short to moderate distances, but recognition (facial features) and identification (enough detail for legal-grade evidence) are only realistic for subjects in the central portion of the frame and at close range - typically within 3-5 metres of the camera. If formal DORI calculations are required for a tender or compliance submission, contact Security Australia for manufacturer support documentation.

7. Does this camera have a built-in microphone for audio recording?

   Yes, the DS-2CD2T45G0P-I includes a built-in microphone. Note that audio recording laws in Australia vary by state - in most jurisdictions, recording audio without consent of the parties involved carries legal restrictions. Confirm compliance with local regulations before enabling audio recording in your installation.

8. What video analytics does this camera support?

   The DS-2CD2T45G0P-I includes VCA (Video Content Analysis) functions including line crossing detection and intrusion detection. These are camera-side analytics that generate alerts when triggered. The practical effectiveness of line-crossing analytics on a 180-degree wide-angle frame should be tested at your specific installation - the distortion at frame edges can affect zone accuracy, so analytics zones are best configured within the central portion of the image.

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