Table 1. Specifications of the four camera types used in captive trials. PIR = passive infrared.
Camera type
|
|||||
---|---|---|---|---|---|
Reconyx® | Jagath 1000A | Jagath 1000D | Jagath 1000F | ||
Trigger speed | 0.2 s | 2.1 s | 1.6 s | 1.1 s | |
Recovery time | 0.5 s | 7 s | 7 s | 7 s | |
Sensor | PIR | PIR | PIR | Microwave | |
Horizontal angle of detection* | 27°** | 42° | 35° | − | |
Vertical angle of detection* | 6°** | 22° | 22° | − | |
Light source | Infrared flash | Infrared LEDs | White flash | White flash | |
Flash range | 15 m | 10 m | 6 m | 6 m | |
Type of footage | Still | Video | Still | Still | |
Pixel resolution | 2048 x 1536 | 640 x 480 | 2560 x 1920 | 2560 x 1920 | |
Frames per second | Up to 2 | 15 | Single shot | Single shot |
Calculated using trigonometry based on detection zones as shown in Figure 2.
** For a camera set at ground height. Due to alignment of sensors the detection zone is wider for a camera mounted higher [20].