EverFocus PARAGON264x4 series Manual de usuario Pagina 114

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* All product speci cations are subject to change without notice
* Models vary in different countries. Please visit EverFocus regional websites for detailed ordering information
113
Accessories
CCTV Lenses
Accessories
CCTV Lens
Lens Term & Features
C-mount:
Standard for CCTV lens screw mounting. It is de ned with the thread of 1" (25.4mm) in diameter and 32 threads/inch, and the back
ange-to CCD distance of 17.526mm (0.69") The C-mount description applies to both lenses and cameras. C-mount lenses can be put
on both C-mount and CS-mount cameras, an adaptor is required for the latter version only.
CS-mount:
Newer standard for lens mounting. It uses the same physical thread as the C-mount, but the back ange-to-CCD distance is reduced to
12.5mm, in order to have the lenses made smaller, more compact and less expensive, CS-mount lenses can only be used on CS-mount
cameras.
CS-to C-mount Adaptor:
An adaptor used to convert a CS-mount camera to C-mount to accommodate a C-mount lens. The EQ-120/150/250/350 Series Cameras
are equipped with a wide range backfocal mechanism, the adaptor ring is not required.
DC Iris Control:
The lens iris mechanism is controlled by a DC voltage, which is generated depending on the video signal level in the camera.
Sensor Format:
Physical size of the camera CCD chip. The most common chip sizes in CCTV industry are 1/3" abd 1/4" cameras, but not for 1/2"
cameras.
Horizontal Field of View for 1/3" Cameras
f (mm)
2.8
3.5
3.6
4.3
5
8
10
15
50
Hor. angle of view (°)
81
69
67
58
51
33
27
18
5.5
2
3.4
2.7
2.7
2.2
1.9
1.2
1.0
0.6
0.2
5
8.6
6.9
67
5.6
4.8
3.0
2.4
1.6
0.5
10
17.1
13.7
13.3
11.2
9.6
6.0
4.8
3.2
1.0
20
34.3
27.4
26.7
22.3
19.2
12.0
9.6
6.4
1.9
Horizontal Field of View (m)
Object Distance (m)
Auto Iris & Vari-focal Lens
Product Model
EFV-2814DC
EFV-358
EFV-358DC
EFV-416
EFV-416DC
EFV-550
EFV-550DC
Description
Vari-focal 2.8~12mm auto iris
Vari-focal 3.8~8mm auto iris
Vari-focal 3.8~8mm auto iris
Vari-focal 4~16mm manual iris
Vari-focal 4~16mm auto iris
Vari-focal 5~50mm manual iris
Vari-focal 5~50mm auto iris
Fixed Iris & Mini Board Lens
Product Model
FL-2520
FL3620
FL-4320
FL-6020
FL-8020
FL-1220
FL-1620
Description
2.5mm Lens
3.6mm Lens
4.3mm Lens
6mm Lens
8mm Lens
12mm Lens
16mm Lens
EFV-0616DC EFV-0614DC EFV-3010DC FL-3620 FL-4320 FL-8020
Speci cations
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