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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.

IMG_4791__w.jpg

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
Bare lens weight 465g

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

In order to accommodate different image sensors, the focal distance is set back by 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.

fb.png

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%)

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.

292.84104B.png

Dimensions

L084-DEVKIT.PNG

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