Contact Us:
sales@inosaki.com

Lensation Lens, BM4218, 4.2 mm, 1/3″

$ 92.69

SKU N/A Category

Lensation BM4218 – 4.2 mm High-Intensity S-Mount Lens for 1/3″ Sensors

The Lensation BM4218 is a premium S-Mount (M12) lens engineered for sensors up to 1 megapixel with a 1/3-inch image format. Designed for high performance in low-light environments, this lens features an ultra-bright F1.8 aperture, fixed focus, and a compact form factor. With its wide 89° diagonal field of view, the BM4218 is ideal for embedded vision, robotics, smart surveillance, and machine learning applications.


Product Specifications

  • Model: BM4218

  • Brand: Lensation

  • Mount: S-Mount (M12)

  • Focal Length: 4.2 mm

  • Aperture: F1.8 (Fixed Iris)

  • Sensor Compatibility: Up to 1/3” format (1–2 MP)

  • Field of View:

    • Diagonal: 89°

    • Horizontal: 71°

    • Vertical: 49.5°

  • Minimum Object Distance (MOD): 0.2 m

  • Back Focal Length: 7.21 mm

  • IR Correction: Yes

  • Optical Distortion: -29%

  • Weight: 5.4 g

  • Focus: Fixed

  • Iris: Fixed

  • Chief Ray Angle: 8.8°


Key Benefits

  • Exceptional Light Sensitivity with a wide F1.8 aperture

  • Wide Field of View – Suitable for close-range embedded vision

  • IR-Corrected Optics – Accurate imaging in both visible and infrared spectrums

  • Fixed Focus Design – Optimized for robust, maintenance-free integration

  • Compact and Lightweight – Perfect for drones, robotics, and industrial IoT devices


Download Datasheet

Get the full technical details and mechanical drawings in the official PDF:


Need Support or Custom Integration?

We support OEM machine vision integration, custom projects, and industrial imaging solutions worldwide.
Contact our technical team now to discuss your application.

Additional information

Lens Resolution (MPix)

Lens Focal Length (mm)

Related Products

SICK_sensor_Photoelectric_sensor_V18 Laser_VL18L-3F324
SICK_sensor_Photoelectric_sensor_W4S-3 Inox Glass_WLG4S-3P2234VS06
DOL-1205-W02M
SICK_Inductive Proximity Sensors_IME12-04BPOZW2S
IDS USB 2
M4
Select your currency