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B5M4020 Lensation S-Mount Lens

Original price was: USD 175.22.Current price is: USD 146.02.

5 MP S-Mount lens designed for 1/2.5″ sensors. Features a 4mm focal length, F2.0 aperture, and wide $114^{\circ}$ diagonal field of view for machine vision.

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Lenses

B5M4020 Lensation S-Mount Lens

Model Identifier B5M4020
Official Part Number AE00362
GTIN Standard NA

Technical Overview

The Lensation B5M4020 is a professional 5 megapixel S-mount lens featuring a 4.0 mm focal length and a fixed aperture of F2.0. Designed for sensors up to 1/2.5 inch, it supports a minimal pixel pitch of 2.20 µm and offers an expansive diagonal angle of view of 114.0°. Its compact fixed-focus design makes it ideal for high-resolution industrial camera applications requiring a reliable and high-quality optical path.

Key Features

  • S-mount
  • Fixed focus
  • Fixed iris
  • 5 megapixel resolution
  • Compact form factor

5.00 MP resolution class for high-precision industrial imaging

Technical Specification Matrix

ParameterValue
Focal length4.0 mm
Maximal image circle1/2.5"
Aperture range (F)2.0
Minimal pixel pitch2.20 µm
Minimal object distance (M.O.D.)0.30 m
Angle of view (HxVxD)91.2° x 68.4° x 114.0°
Back focal length6.70 mm
Maximal immersion depth13.2 mm
Resolution class5.00 MP
Lens mountS-mount
Item numberAE00362
Bildwinkel vertikal68.4° x 91.2°
Optical class1/2.5"
Resolution5.00 MP

Industrial Applications

1. Embedded AOI for Precision Metal Processing and PCB Assembly

Integrating a compact machine vision system using the Lensation B5M4020 to perform high-speed quality control in precision manufacturing [1.3]. The wide angle of view (91.2° x 68.4°) combined with a minimal object distance of 0.30 m allows the camera to be mounted close to the inspection line. The 5.00 MP resolution and 2.20 µm pixel pitch provide the microscopic clarity needed to detect tiny defects.

Problem Solved

Solves the space limitation issue in modern assembly lines where bulky vision systems cannot fit. By utilizing the ultra-compact S-mount format and 4.0 mm focal length, engineers achieve comprehensive inline inspection without increasing the machine footprint.

5.00 MP2.20 µm pixel pitch0.30 m M.O.D.S-mount91.2° x 68.4° Angle of view

2. Obstacle Avoidance for Autonomous Mobile Robots (AMRs)

Equipping industrial AMRs with stereoscopic vision utilizing the AE00362 lens. The fast F2.0 aperture ensures reliable machine vision performance even in dimly lit warehouse environments. The expansive 114.0° diagonal angle of view provides a broad field of vision to detect dynamic obstacles.

Problem Solved

AMRs often struggle with dead zones and low-light navigation. The combination of the wide 91.2° horizontal angle of view and 0.30 m minimal object distance ensures the robot detects objects immediately in its path to prevent collisions. The threaded S-mount ensures optical focus stability against continuous chassis vibrations.

Aperture 2.0Angle of view 114.0°0.30 m M.O.D.S-mountFocal length 4.0 mm

3. UAV Drone Structural Inspection of Critical Infrastructure

Deploying the B5M4020 lens on a lightweight drone payload for the inspection of critical infrastructure such as energy plants and bridges. It pairs perfectly with standard lightweight 1/2.5 inch CMOS sensors, while the 4.0 mm focal length gives a wide perspective to capture large structural sections safely.

Problem Solved

Drones must maximize image quality while minimizing payload weight to extend flight time. The S-mount design drastically reduces weight compared to C-mount lenses. The 5.00 MP resolution and F2.0 aperture allow for fast shutter speeds, preventing motion blur from drone vibrations and reliably capturing hairline cracks.

S-mount5.00 MPAperture F2.0Image circle 1/2.5 inchFocal length 4.0 mm

[Download-Datasheet]

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