L084-DEVKIT

Brief

L084 is 6.3-252mm focal length (40x) motorized zoom lens is designed for 1/1.8" image sensors, has zoom/focus/iris functions, designed for 8M sensors.

Specifications

Optics

Image sensor

1/1.8" Effective image area > 9.2mm

Focal distance

6.3 ~ 252mm / ±5%

Aperture

f/1.4 ~ f/5.0

Focus range

WIDE: 1.0m - infinity

TELE: 2.0m - infinity

Field of view (D=8.81mm)

WIDE: 73.0°

TELE: 1.9°

Distortion

WIDE: -4.09%

TELE: 2.89%

Recommended image sensor

IMX334

Mechanics

Flange back (FB, see diagram below)

+0.93 (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: 168.7mm

Width: 72.8mm

Height: 57mm

Front end diameter:  69.5mm

Bare lens weight

465g (+controller 21.4g)

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

Zoom1: 20Ω ± 10% / phase (T=25°C)

Zoom2: 20Ω ± 10% / phase (T=25°C)

Focus: 55Ω ± 10% / phase (T=25°C)

Iris: 35Ω ± 10% / phase (T=25°C)

Phase count

2

Step angle

Zoom1, Zoom2, Focus: 18° / step

Iris: 0.6° / step

Operating temperature range

-30°C ~ +70°C

Position alignment sensor PI

Model number

Zoom1, Zoom2, Focus: RPI-222 ROHM

Iris: GP1S196HCZ0F SHARP

Iris

Blade count

10

Drive mode

Stepper motor

IR switch

Coil resistance

22.5 ± 10% (T=20°C)

Operation voltage

4.5 ~ 5.0V

Current consumption

144 ~ 200mA

Filter thickness

0.3mm

Filter count

2

Switching time

200 ~ 500ms

Filters

Open air

380 ~ 650nm (TAVG >90%)

BP780 (400~750nm TAVG >1%, 780~1100nm TAVG >90%)

Zoom-Focus curve diagram

Please check the software in the GitHub repository for more detailed table.

Camera adapter plates

292.84104B adapter plate was designed for IMX290 and IMX477 based cameras. L084 and L117 lenses can be mated with board level C1_PRO, C2, and IMX477_LEGACY camera boards.

Dimensions

Detailed 3D model is hosted on GitHub 3D models repository

Power profile

Typical power consumption of the lens