# Lens specifications

#### Optics

<table border="1" id="bkmrk-image-sensor-1%2F2.7%22-" style="border-collapse: collapse; width: 98.3951%;"><tbody><tr><td style="width: 50%;">Lens SKU</td><td style="width: 48.3997%;">L087-MZFD-5.35Z96.3-DIRECT</td></tr><tr><td style="width: 50%;">Image sensor</td><td style="width: 48.3997%;">1/2.7" Effective image area &gt; 6.8mm</td></tr><tr><td style="width: 50%;">Focal distance</td><td style="width: 48.3997%;">5.85±5% ~ 93.6±5%mm</td></tr><tr><td style="width: 50%;">Aperture</td><td style="width: 48.3997%;">f/1.8~f/3.9</td></tr><tr><td style="width: 50%;">Focus range</td><td style="width: 48.3997%;">- WIDE: 0.2m - infinity
- TELE: 1.0m - infinity

</td></tr><tr><td style="width: 50%;">Field of view (D=6.71mm)

</td><td style="width: 48.3997%;">- WIDE: 62.6°
- TELE: 4.05°

</td></tr><tr><td style="width: 50%;">Distortion

</td><td style="width: 48.3997%;">- WIDE: -6.40%
- TELE: 2.92%

</td></tr></tbody></table>

#### Mechanics

<table border="1" id="bkmrk-lens-length-%28image-s" style="border-collapse: collapse; width: 98.1482%;"><tbody><tr><td style="width: 50%;">Lens length (image surface-top lens barrel)</td><td style="width: 48.1481%;">79.74mm (in glass)</td></tr><tr><td style="width: 50%;">Mechanical back focus</td><td style="width: 48.1481%;">-0.92 (in glass t=0.5 BK7)</td></tr><tr><td style="width: 50%;">Lens zoom structure</td><td style="width: 48.1481%;">The stepper motor is directly connected to the screw</td></tr><tr><td style="width: 50%;">Lens focusing structure</td><td style="width: 48.1481%;">The stepper motor is directly connected to the screw</td></tr><tr><td style="width: 50%;">Lens size</td><td style="width: 48.1481%;">- Length: 80.7mm
- Width: 39.7mm
- Height: 42.2mm
- Front end diameter: 32.1mm

</td></tr></tbody></table>

#### Motor specifications

<table border="1" id="bkmrk-screw-pitch-0.4mm-sp" style="border-collapse: collapse; width: 98.1482%;"><tbody><tr><td style="width: 50%;">Screw pitch</td><td style="width: 50%;">0.4mm</td></tr><tr><td style="width: 50%;">Spiral rotation direction</td><td style="width: 50%;">Right</td></tr><tr><td style="width: 50%;">Rated voltage</td><td style="width: 50%;">5.0 VDC</td></tr><tr><td style="width: 50%;">Coil resistance</td><td style="width: 50%;">55Ω ± 10%</td></tr><tr><td style="width: 50%;">Phase count</td><td style="width: 50%;">2</td></tr><tr><td style="width: 50%;">Step angle</td><td style="width: 50%;">18° / step</td></tr><tr><td style="width: 50%;">Max start frequency</td><td style="width: 50%;">800 PPS/min @ at 5.0 VDC</td></tr><tr><td style="width: 50%;">Max operating frequency</td><td style="width: 50%;">1200 PPS/min @ 5.0 VDC</td></tr><tr><td style="width: 50%;">Pull torque</td><td style="width: 50%;">2.8 gf-cm min (at 480 PPS @ 5.0 VDC)</td></tr><tr><td style="width: 50%;">Push torque

</td><td style="width: 50%;">3.8 gf-cm min (at 480 PPS @ 5.0 VDC)</td></tr><tr><td style="width: 50%;">Operating temperature range</td><td style="width: 50%;">-20°C ~ +70°C</td></tr></tbody></table>

#### Position alignment sensor PI

<table border="1" id="bkmrk-model-number-rpi-222" style="border-collapse: collapse; width: 97.7778%;"><tbody><tr><td style="width: 50%;">Model number</td><td style="width: 47.7778%;">RPI-222 / <span class="fontstyle0">ROHM</span></td></tr></tbody></table>

#### IR switch

<table border="1" id="bkmrk-coil-resistance-25-%C2%B1" style="border-collapse: collapse; width: 97.7778%;"><tbody><tr><td style="width: 50%;">Coil resistance</td><td style="width: 47.7778%;">25 ± 5Ω</td></tr><tr><td style="width: 50%;">Operation voltage</td><td style="width: 47.7778%;">4.5V

</td></tr><tr><td style="width: 50%;">Current consumption</td><td style="width: 47.7778%;">144~200mA

</td></tr><tr><td style="width: 50%;">Switching time</td><td style="width: 47.7778%;">200-500ms

</td></tr><tr><td style="width: 50%;">Filters</td><td style="width: 47.7778%;">- <span class="fontstyle0">Clear glass</span>
- <span class="fontstyle0">420 ~600nm Tavg &gt;95%   
    </span>

</td></tr></tbody></table>

#### Zoom-Focus curve diagram

[![L087.png](https://wiki.kurokesu.com/uploads/images/gallery/2020-08/scaled-1680-/L087.png)](https://wiki.kurokesu.com/uploads/images/gallery/2020-08/L087.png)