There are 3 camera types, Dome, Bullet and Turret (eyeball dome).
The Dome camera is one of the most popular choices around, the most common type of camera that you are likely to see in modern installations. This camera offers an amazing vandal proof ability as the lens is fully covered in a vandal proof glass dome. The cover is then secured using 3 x torx screws and the design and construction is all metal.
The Turret or ‘Eyeball’ camera is becoming the more preferred camera of choice amongst professionals. This camera offers the same high quality imagery of the dome, but without the pitfalls caused by the glass housing. These cameras also have an EXIR which is Hikvision’s ‘Enhanced IR’. This is a single IR glass to the side of the lense, as opposed to the traditional ring of leds.
The Bullet camera is the camera you would traditionally expect to see in a busy City Centre, on the top of a high pole watching the town and large crowds. This camera is not very popular for home owners as it can often look unsightly and doesn’t offer anymore benefits vs the Dome or Turret in a home installation scenario. Because its shape and size, the body can house large zoom capabilities and extended IR. This camera choice is more popular for commercial and rural installations where lighting is poor.