L120-DEVKIT

Brief

L120 is 6.7-190mm focal length (28x) motorized zoom lens is designed for 1/1.8" image sensors, has zoom/focus/iris functions, designed for 5M sensors.

Specifications

Optics

Image sensor

1/1.8" Effective image area > 9.3mm

Focal distance

6.7 ~ 190mm / ±5%

Aperture

f/1.6 ~ f/4.7

Focus range

WIDE: 0.1m - infinity

TELE: 1.0m - infinity

Field of view (D=8.26mm)

WIDE: 65.5°

TELE: 2.4°

Distortion

WIDE: -1.08%

TELE: 0.35%

Recommended image sensor

IMX385

Mechanics

Flange back (FB, see diagram below)

-1.0mm (in glass t=0.3 IRCF)

Lens zoom structure

The stepper motor is directly connected to the screw

Lens focusing structure

The stepper motor is directly connected to the screw

Lens size

Length: 119mm

Width: 50mm

Height: 50mm

Front end diameter:  43mm

Weight

194g (+controller 7.6g)

In order to accommodate different image sensors, the focal distance is set back by flange back (FB) distance. The actual distance for a specific sensor has to be calculated and spacers used. If the image plane is not set correctly, focus irregularities in the projected picture are expected.

Motor specifications

Screw pitch

0.4mm

Spiral rotation direction

Right

Rated voltage

5.0 VDC

Coil resistance

Zoom: 55Ω ± 10% / phase (T=25°C)

Focus: 55Ω ± 10% / phase (T=25°C)

Phase count

2

Step angle

Zoom: 18° / step

Focus: 18° / step

Operating temperature range

-30°C ~ +70°C

Position alignment sensor PI

Model number

GP1S093HCZ0F SHARP

Iris

Driving resistance

120Ω ± 10% (T=20°C, 65% RH)

Braking resistance

120Ω ± 10% (T=20°C, 65% RH)

Close to open operation

3.5 ~ 5.0V

Open to close operation

0 ~ 0.8V

IR switch

Coil resistance

22.5 ± 10% (T=20°C)

Operation voltage

4.5 ~ 5.0V

Current consumption

144 ~ 200mA

Filter thickness

0.3mm

Switching time

200 ~ 500ms

Filters

Open air

380 ~ 650nm (TAVG >90%)

Dimensions

More detailed documentation coming soon!