Porduct Details
0.17X F-Mount Double Telecentric Lens, 416mm WD
The PMS-LTFM017-416 from POMEAS is a telecentric lens for high-precision dimensional measurement and visual inspection. With a 22.14 mm depth of field and…
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Product Overview
The PMS-LTFM017-416 from POMEAS is a telecentric lens for high-precision dimensional measurement and visual inspection. With a 22.14 mm depth of field and TV distortion of only 0.01%, it keeps magnification constant across the field of view, so dimensions can be measured directly on the image without perspective error. F-Mount mount, sensors up to 35mm (Film).
Key Features
- 0.17X magnification, 416 mm working distance, 35 mm full-frame and 8K line-scan support (241.2 mm line FOV).
- 31.56 μm object-side resolution for fine-detail inspection.
- Constant magnification over the depth of field: no size shift when the part moves.
- F8 aperture, object telecentricity <0.02° and 31.56 μm resolution with >65% MTF at 50 lp/mm.
- Standard F-Mount mount, integrates with common industrial cameras.
- Supported sensors: 35mm (Film). Customization available on request.
Specifications
| Model | PMS-LTFM017-416 |
|---|---|
| Magnification | 0.17X |
| Working Distance | 416mm |
| Resolution | 31.56μm |
| Center MTF | >65% @ 50lp/mm |
| TV Distortion | 0.01% |
| Line-scan 8K FOV | 241.2mm (8K×5μm) |
| Field of View | Φ254mm |
| Max. Sensor Size | 35mm (Film) |
| F Number | F/8 |
| Object Telecentricity | <0.02° (typ. 0.05°) |
| Depth of Field | 22.14mm |
| Mount | F-Mount |
| Length | 712mm |
| Working Temp. | -10°C~+50°C |
Typical Applications
Dimensional measurement of machined and molded parts, electronics and connector inspection, glass and sheet-edge inspection, in-line quality control wherever telecentric geometry and stable magnification are required.
Selection Guide
To choose the right model, first compare the smallest feature to inspect with the lens resolution and the camera pixel size; then confirm the working distance available in the machine and the maximum supported sensor size. POMEAS can customize working distance, mount and magnification for your application.
Frequently Asked Questions
What is a telecentric lens and when should I use one?
A telecentric lens keeps magnification constant over its depth of field, so the part size does not change with position or height. Use it whenever dimensions are measured directly from the image: connector pins, machined features, stamped parts and glass edges.
Which sensors does this model support?
This model supports sensors up to 35mm (Film). Verify the mount and sensor size of your camera before final selection.
How much distortion does it introduce?
The TV distortion of this model is 0.01%, keeping image geometry stable from center to edge — a key requirement when dimensions are calculated directly from image coordinates.
Can the working distance or mount be customized?
Yes. POMEAS offers customization of working distance, mount and magnification; send your part and camera specifications so the technical team can confirm the solution.
Related Reading
- What Is a Telecentric Lens? Working Principle, Types and When to Use One
- Telecentric Lens vs Standard FA Lens: Distortion, Accuracy and Cost
- Object-Side Resolution vs Measurement Accuracy
- POMEAS Machine Vision Knowledge Base
Related Products
- Center MTF
- >65% @ 50lp/mm
- Depth of Field
- 22.14mm
- F Number
- F/8
- Field of View
- Φ254mm
- Length
- 712mm
- Line-scan 8K FOV
- 241.2mm (8K×5μm)
- Magnification
- 0.17X
- Max. Sensor Size
- 35mm (Film)
- Model
- PMS-LTFM017-416
- Mount
- F-Mount
- Object Telecentricity
- <0.02° (typ. 0.05°)
- Resolution
- 31.56μm
- TV Distortion
- 0.01%
- Working Distance
- 416mm
- Working Temp.
- -10°C~+50°C
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