When it comes to protecting your home or business, security cameras are one of the most powerful tools available. But with so many options—varifocal, dome, turret, bullet, PTZ, panoramic and more—it can be overwhelming to figure out what’s right for your space.
Here’s a breakdown of the 6 most common security cameras, what they do, and how to choose the best system for your needs.
Varifocal – A varifocal camera is a type of security camera with an adjustable lens that allows you to manually or remotely zoom in and out without losing focus. Unlike fixed-lens cameras, varifocal models give you flexibility in how much area you want to cover and the level of detail you need.
Adjustable Zoom and Focus
Better Scene Customization
Infrared Night Vision
HD or 4K Resolution
Weatherproof & Vandal-Resistant Options
Wired (PoE) or Hybrid
If you need flexibility, precision, and long-term control over your surveillance view, varifocal cameras are a smart choice. They’re more versatile than fixed cameras and give you the power to adapt your system as your security needs evolve
Dome – A dome camera is a type of security camera encased in a clear or tinted dome-shaped housing. Its compact, discreet design makes it ideal for indoor or outdoor use where aesthetics and coverage are both important.
Discreet Appearance
Wide-Angle Coverage
Vandal-Resistant Housing
Weatherproof Options
Infrared Night Vision
Fixed or Varifocal Lenses
Smart Features
Dome cameras offer a balance of coverage, durability, and discretion. They’re perfect for areas that need dependable monitoring without bulky equipment or obvious surveillance presence.
Turret – A turret camera, also known as an “eyeball” camera, is a type of security camera that combines the clarity of a bullet camera with the compact look of a dome—but without the dome cover. Its ball-and-socket design allows you to easily swivel and aim the lens in different directions.
Flexible Viewing Angles
No IR Glare (Better Night Vision)
Low Maintenance
Easy to Install
Weather- and Vandal-Resistant
High Resolution + Smart Features
Turret cameras strike the perfect balance between performance and practicality. They offer better night vision than domes and are easier to install and maintain—making them a favorite for both home and business security.
Bullet – A bullet camera is a long, cylindrical security camera known for its visible, directional design. It’s often mounted to walls or poles and used to monitor specific, targeted areas. Bullet cameras are a common choice for outdoor surveillance because of their range, durability, and deterrent effect.
Long-Range Viewing
Powerful Night Vision
Visible Deterrence
Weatherproof Design
Optional Vandal-Resistance
High Resolution & Smart Features
Bullet cameras are ideal when you need long-distance, focused monitoring in a visible, deterrent-friendly form. Their powerful optics and night vision make them a go-to for outdoor use and high-risk areas.
PTZ – A PTZ (Pan-Tilt-Zoom) camera is a powerful surveillance camera that can move left and right (pan), up and down (tilt), and zoom in and out—either manually or automatically. This gives it a wide coverage area and the ability to focus in on specific details, making it a favorite for active surveillance environments.
Pan-Tilt-Zoom Movement
Auto-Tracking & Presets
Remote Control Access
High-Quality Night Vision
Rugged & Weatherproof
Smart Integrations
PTZ cameras are ideal when you need active, flexible, and far-reaching surveillance. Whether you’re managing a large facility, monitoring traffic, or protecting a wide outdoor area, PTZ cameras offer unmatched control and visibility.
Panoramic – A panoramic security camera (also called a 360-degree camera) offers wide-angle or full-surround coverage. These cameras provide a complete view of a space, capturing a large area without the need for multiple cameras. They’re designed to eliminate blind spots and give you a full perspective of the environment.
360-Degree Coverage
Seamless Video Stitching
High Resolution
Vandal-Resistant and Weatherproof
Enhanced Night Vision
Smart Features
Easy Installation and Maintenance
If you need to eliminate blind spots and monitor large, open areas with a single camera, panoramic cameras are the best choice. They provide complete surveillance coverage with high-definition resolution and flexible features, all while reducing the need for multiple camera installations.
Choosing the right security camera starts with understanding your property’s layout, surveillance goals, and environment. Whether you need the wide coverage of a panoramic camera, the flexibility of a PTZ, or the subtle look of a dome, there’s a solution that fits. By matching the camera type to your specific needs, you’ll get better protection, smarter monitoring, and greater peace of mind. If you’re still unsure, our team at Sentry Security is here to help guide you toward the perfect setup.
Have more questions? We have answers. Call us today.