How to Position Your CCTV to Eliminate Every Blind Spot
A security camera is only as good as what it can actually see. Many people invest in high-end systems only to realize—too late—that an intruder managed to stay in the “shadows” of the camera’s view.
Eliminating blind spots isn’t about how many cameras you have; it’s about strategic geometry. Whether you are securing a home or a business, here is the universal guide to placing your cameras for maximum coverage. learn more https://robisearch.com/best-cctv-access-control-security-cameras-installation-and-maintenance/
1. The “Golden Height” (8 to 10 Feet)
The most common mistake is mounting cameras too high (like on a roofline) or too low.
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The Problem: Too high, and you only see the tops of heads. Too low, and the camera can be easily covered or tampered with.
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The Solution: Aim for 8 to 10 feet. This height is out of reach for most people but still provides a clear angle of the “identification triangle”—the eyes, nose, and mouth.
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2. Outdoor Strategy: Corners and Perimeters
Outside, the goal is to stop a threat before it reaches the door.
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The Corner-to-Corner Method: Avoid placing cameras in the middle of a flat wall. This creates “dead zones” to the immediate left and right. Instead, mount cameras on the corners.
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Overlapping Fields: Point two cameras toward each other from opposite ends of a wall. This “cross-fire” ensures that Camera A covers the blind spot directly underneath Camera B.
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Gate & Entry Points: Every entrance (front, back, or side) needs a dedicated camera. Position it so it captures the person before they reach the handle.
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3. Indoor Strategy: The “Choke Point” Concept
You don’t need a camera in every single room. You just need to cover the areas where people must walk.
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Hallways and Stairs: These are “choke points.” Anyone moving through a building has to use the hallways or stairs. A single camera at the end of a corridor eliminates dozens of blind spots in the rooms attached to it.
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Corner Mounting: Just like outdoors, placing an indoor camera in a corner (rather than flat on a wall) gives you a 90-degree view of the entire room, leaving no place to hide in the shadows.https://youtu.be/hfgpBAayBNI?si=hV47rQSL9JXO_Akz
4. Overcoming “Environmental” Blind Spots
Sometimes, the building itself creates the blind spot. Watch out for these:
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The Reflection Trap: If a camera is too close to a white wall or inside a window, the Infrared (Night Vision) will bounce back and “blind” the lens at night. Keep your lenses clear of nearby obstructions.
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Growth and Decor: In a home, it’s a growing bush; in a business, it’s a new hanging sign or a tall shelf. Periodically check your “live view” to ensure your line of sight hasn’t been blocked by changes in the environment.
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Sun Glare: Avoid pointing cameras directly East or West. The rising or setting sun can wash out the image entirely, creating a “white-out” blind spot during peak hours.
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5. The “Walk-Test” Audit
To truly eliminate blind spots, you have to test the system:
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Open your camera’s live feed on your phone.
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Walk around your property (inside and out).
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Try to find a path where you can move for more than 5 seconds without appearing on a screen.
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If you find a gap, adjust the angle of the nearest camera before buying a new one.
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The “Zero Blind Spot” Checklist
Before you lock up for the night, run through these 10 points to ensure your property is truly covered: https://robisearch.com/best-cctv-access-control-security-cameras-installation-and-maintenance/
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[ ] The Face Test: Is your primary entrance camera mounted at “eye level” (7–9 ft) to catch facial features clearly?
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[ ] The Corner Rule: Are your outdoor cameras mounted on corners to maximize their $90^\circ$ to $110^\circ$ field of view?
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[ ] The Overlap Check: Does every camera have its “blind cone” (the area directly beneath it) covered by the view of another camera?
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[ ] The Choke Point: Is there a camera aimed at the main hallway or staircase that everyone must pass through?
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[ ] The “Night Vision” Clear: Have you checked the live feed at night to ensure there is no white “IR glare” from nearby walls or glass?
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[ ] The Perimeter Sweep: Can a person walk all the way around your building without disappearing from the feed for more than 2 seconds?
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[ ] The Obstruction Audit: Are there any hanging signs, tall shelves, or overgrown bushes blocking the lens?
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[ ] The Sun Shield: Are your cameras angled slightly downward to avoid being “blinded” by the morning or evening sun?
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[ ] The Exit Strategy: Do you have a camera positioned to catch people leaving the property (when they are often less careful about hiding their faces)?
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[ ] The Mobile Sync: Is your app set to “Alert” you specifically when motion is detected in a known former blind spot?https://youtu.be/hfgpBAayBNI?si=hV47rQSL9JXO_Akz
Conclusion
Security is about layers. By placing cameras where they overlap and focusing on “choke points,” you create a net that is impossible to slip through. Periodically performing a “blind spot audit” ensures your system evolves with your property and provides high-quality evidence when it matters most. Ultimately, a strategic setup leaves intruders with nowhere to hide and gives you total peace of mind.
Ready to lock down your property? Grab your smartphone and perform a walkthrough today to spot your “dead zones.” If this guide helped you, share it with someone looking to upgrade their security!
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