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By: Kowa
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Security and Factory Automation Lenses
Contact us for lowest price (800) 284-2288, (858) 565-1101, sales@avsupply.com, or fax (858) 300-4193
1/3" 2.5~6mm Varifocal Auto Iris Lens

Common in lenses in the broadcast industry, the Kowa Varifocal Auto Iris Series LMVZ 256A 3-Cam Design is also incorporated in Kowa’s varifocal and zoom lenses. This innovative system has solved the problem of de-centering which sometimes occurs in the conventional pole system. Not only is the movement of the lens impaired by de-centering, but the optical performance suffers too. The 3-Cam Design also reduces internal reflection. As a result, the image obtained by this design is much sharper than that of the conventional pole system. With the LMVZ-256A 3-Cam Design, the customer can expect higher optical performance and a longer service life.
 

Use for 1/3" b/w color camera
Focal length f=2.5-6mm
Zoom ratio 2.4x
Max. dia. ratio F1.4
Iris range F1.4-125
Image size dia.6
Back focal length W8.72 T14.24 in air
Flange focal length 12.5cm
Focus range W 0.2m
Diameter Angle W133.3~T56.8°
Horizontal Angle W107.6~T45.6°
Vertical Angle W80.9~T34.2°
Shooting range at M.O.D. Dia. W995~T230mm
Shooting range at M.O.D. Hor. W584~T179mm
Shooting range at M.O.D. Ver. W364~T131mm
Lens construction 7 groups 7 elements
Clear aperture front dia.27.6
Clear aperture rear dia. 7.4
Exit pupil position W 18583 mm T -30 mm
Mount cs-mount
Distortion W -19.4% T -2.5%
Weight 90g
Drive coil resistor 200 (20°C)
Drive coil color red ( ) open, black
Brake coil resistor 700 (20°C)
Brake coil color yellow ( ) open, green
Drive voltage open less than 4V
Drive voltage close greater than 0V

 



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Prices and specifications subject to change without notice.