By: Kowa
Security and Factory Automation Lenses
Contact us for lowest price (800) 284-2288, (858) 565-1101,, or fax (858) 300-4193
1/3" 4~10mm Varifocal Manual Iris Lens

Common in lenses in the broadcast industry, the Kowa Varifocal Manual Iris Series LMVZ41 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 LMVZ41 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=4~10mm
Max. diameter (ratio) F=1:1.8
Picture Size 4.8x6.4mm
Vertical Angle 69~28°
Horizontal Angle 94.8~37.3°
Diameter Angle 122.3~46.5°
Distortion (TV) -18.6%~-1.6%
Shooting range at minimum focus distance Ver. 434~157mm
Shooting range at minimum focus distance Hor. 689~213mm
Shooting range at minimum focus distance Dia. 1163~271mm
Minimum focus distance 0.3m
Flange back 12.5mm in air
Back focus 8.27~13.90mm in air
Front/rear effective dia. front 24.8mm rear 7.6mm
Mount cs-mount
Temperature range -10~ 45°C
Storage temperature range -40~ 60°C
Resolution center/corner center 100 lp/mm corner 40 lp/mm
Stopper strength 10kgf/cm
Endurance tests F=5,000times Z=5,000times I=5,000times
Weight 90g


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Prices and specifications subject to change without notice.