LEH-5528M 55mm Telecentric Lens
The LEH-5528M is a 55mm telecentric lens for machine vision and industrial inspection. It supports sensor formats up to 2/3 inch and 5MP cameras, with manual focus, a lockable manual aperture and a C-Mount camera interface.
Explore our telecentric lens range to compare configurations for your inspection requirements.
Key Benefits
55mm Optical Design
A 55mm focal length provides a documented range of fields of view at different working distances for inspection planning.
2/3-Inch Sensor Compatibility
Supports cameras up to 2/3-inch sensor format, with 5MP camera support stated in the product specifications.
Lockable Manual Focus
Manual focus adjustment includes a locking mechanism. The specified imaging range is 0.13 m to infinity.
Adjustable Manual Aperture
The F2.8–F32C aperture range allows manual adjustment, with a locking mechanism to retain the selected setting.
C-Mount Integration
The lens uses a C-Mount camera connection and an M43 × 0.75 mm front filter thread.
Technical Specifications
| Focal Length | 55 mm |
|---|---|
| Maximum Sensor Format | 2/3 inch |
| Supported Camera Resolution | 5 MP |
| Resolution | 3.45 μm @ 2/3-inch CCD |
| Aperture Range | F2.8–F32C |
| Imaging Range | 0.13 m–∞ |
| Focus / Aperture Control | Manual, with locking mechanisms |
| Camera Mount | C-Mount |
| Filter Thread | M43 × 0.75 mm |
| Back Focal Distance in Air | 13.3 mm |
| Operating Temperature | -10°C to +50°C |
Optical Path
The following image shows the supplied optical ray-trace diagram for the LEH-5528M.
Field of View Reference
Horizontal field of view varies with working distance and sensor format. Values below are provided in millimetres.
| WD (mm) | 2/3 inch | 1/2 inch | 1/3 inch |
|---|---|---|---|
| 130 | 17 | 13 | 10 |
| 200 | 29 | 21 | 16 |
| 300 | 45 | 33 | 25 |
| 500 | 77 | 56 | 42 |
| 1000 | 158 | 115 | 86 |
| 3000 | 480 | 350 | 263 |
| 5000 | 804 | 565.4 | 439 |
Controls and Integration
Manual focus and aperture settings can be locked after adjustment. Confirm the camera interface, sensor dimensions, filter requirements and installation clearance before ordering.
Machine Vision Applications
The LEH-5528M is intended for machine vision and industrial automation. Share your inspection target, required field of view and installation distance so the optical configuration can be evaluated for your task.
Frequently Asked Questions
Which cameras are compatible?
The lens supports sensor formats up to 2/3 inch and uses C-Mount. The datasheet states support for 5MP cameras. Please provide the camera model and pixel size for compatibility confirmation.
What field of view is available at 130 mm?
At a 130 mm working distance, the documented horizontal fields of view are 17 mm for 2/3-inch sensors, 13 mm for 1/2-inch sensors and 10 mm for 1/3-inch sensors.
Are focus and aperture adjustable?
Yes. Both are manually adjustable and include locking mechanisms. The specified aperture range is F2.8–F32C.
Does the lens include a camera or illumination?
The supplied datasheet does not identify a camera or illumination system as included accessories. Please confirm the required system components and package contents when ordering.
What information is needed for selection?
Send the camera model, sensor dimensions, target size, required field of view, available working distance and inspection requirements.
How can I confirm customization and lead time?
Contact POMEAS with your technical requirements and order quantity to confirm customization feasibility, availability, pricing and lead time.
Confirm Your Lens Configuration
Discuss your camera, working distance and required field of view with POMEAS before finalizing your inspection system.
Request Selection Support
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