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CCTV lenses
Varifocal lenses
 7-70mm

Sito in italianoVarifocal manual lens 7-70mm f1.8 for 1/3"  CS mount


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Manual - Ultra wide for megapixel
Megapixel Fujinon - Autoiris - Varifocal - Pinhole
Manual zoom - Motorized zoom - Accessories

Available varifocal lenses:
Ultra compact - 2-5-10mm - 3.5-8mm - 5.5-33mm - 5.0-50mm - 7.0-70mm
 
IR (day/night) - Fish-eye
 Megapixel manual - Megapixel auto iris
Megapixel IR manual - Megapixel IR autoiris

Focusing point changes after zooming, when using varifocal lenses.
 Therefore, in this case, focusing operation must be made again, contrarily to what happens by using zoom lenses.

 
VF-0770VF-0770GVVF-0770GVX
Varifocal manual lens 7-70mm f1.8 for 1/3"  CS mount

 Dimensional drawing - Varifocal manual lens 7-70mm f1.8 for 1/3"  CS mount 

Varifocal autoiris lens (video drive)  7-70mm f1.8 for 1/3"  CS mount

Dimensional drawing - Varifocal autoiris lens (video drive)  7-70mm f1.8 for 1/3"  CS mount

Varifocal autoiris lens (DC drive)  7-70mm f1.8 for 1/3"  CS mount

Dimensional drawing - Varifocal autoiris lens (DC drive)  7-70mm f1.8 for 1/3"  CS mount

Connections diagram
Connection diagram for galvanometer (video drive) auto iris lensesConnection diagram for galvanometer (DC drive) auto iris lenses.

VARIFOCAL 7-70mm

  VF-0770VF-0770GVVF-0770GVX
Image format1/3"
Focal lenght

mm

7-70
Max. aperture ratio

f

1.8
Zoom ratio10X
Iris operationmanualvideo signal autoiris galvanometer type direct drive autoiris
galvanometer type
Iris range1.8-close1.8-360
Iris response time-approximately 1.5 sec in overall range
Iris input voltage & current-8-16Vdc, max 35mA
Iris accuracy-± 15% at video signal level
Iris sensitivity adjustment-0.5 - 1.0 Vp-p continuously adjustable
Focus operationmanual
Focus rangeNEAR-FAR
Zoommanual
Zoom rangeT  W
Angle field of view
(D x H x V)

1/4"

tele

3.78° x 3.03° x 2.28°

wide

36.22° x 28.84° x 21.56°

1/3"

tele

5.17° x 4.16° x 3.13°

wide

50.65° x 40.05°x 29.82°
Min.object distance

m

0.3 -1.0
Back focal lenght

mm

13.25 - 18.39 
Effective diameter

front

34.6mm

rear

11.2mm
Filter screw sizeM46 P=0.75
MountCS
Mechanical dimensions
(dia x l)

mm

48 x 55 x 82.2
Weight

g

199.5205201.5
Operating temperature-10°C + 50°C

 

Reference technical notes

bulletIntroduction to CCTV lenses
bulletAuto iris lenses
bulletOptical calculator

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Last modified 22-03-2011
 
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