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CCTV lenses
Varifocal lenses
2.5-10.0mm

Sito in italianoVarifocal auto-iris lens video drive 2.5-10mm


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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-2510VF-2510GVVF-2510GVX
Varifocal manual lens 2.5-10mm


Varifocal manual lens 2.5-10mm dimensional drawing

Varifocal auto-iris lens video drive 2.5-10mm

Varifocal auto-iris video drive lens 2.5-10mm dimensional drawing

Varifocal auto-iris DC drive lens lens 2.5-10mm

Varifocal autoiris DC drive lens 2.5-10mm dimensional drawing
Connection diagrams
Connection diagram for galvanometer (video drive) auto iris lensesConnection diagram for galvanometer (DC drive) auto iris lenses.

VARIFOCAL 2,5-8mm

  VF-2510VF-2510GVVF-2510GVX
Image format1/3" ~ 1/4"
Focal lenght

mm

2.5-10
Max. aperture ratio

f

1.4-2.7
Iris operationmanualvideo signal autoiris galvanometer type direct drive autoiris
galvanometer type
Iris range1.4(2.7)-close1.4(2.7)-360
Iris speed about 1.5 sec 
Iris input voltage and current 8V~16Vdc max 30mA 
Iris sensitivity adjustment 0.5~1.0Vp-p 
Focus operationmanual
Focus rangeNEAR-FAR
Zoommanual
Zoom rangeT W
Angle field of view
(D x H x V)

1/4"

wide99.2° x 79.5° x 59.6°
tele26.6° x 21.3° x 16.0°

1/3"

wide130.9° x 105.8 x 79.5°
tele35.3° x 28.3° x 21.3°
Min.object distance

m

0.3
Back focal lenght

mm

9.52~21.03
Effective diameter

front

26.9 mm

rear

8.3 mm
Filter screw size-
Operating temperature-10° +50°C
MountCS
Mechanical dimensions
(Dia x (H) x L)

mm

48 x 6048 x 50.5 x 60
Weight

g

77.879.475.9

 

Reference technical notes

bulletIntroduction to CCTV lenses
bulletAuto iris lenses
bulletOptical calculator

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Last modified 21-03-2011
 
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