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image 1 (2)

Low Angle Light for Dark Field Illumination

Reveal Surface Texture, Edges, and Engravings with Precision Contrast Lighting
DFF (1)
DFF (1)
VL-DFF DIP SWITCH
VL-DFF ELECTRICAL CONNECTION
VL-DFF_Dimensions

Product Description

The FÖGE VL-DFF Dark Field Light is designed for high-contrast surface inspection, ideal for revealing fine physical details such as grooves, scratches, indentations, embossed or engraved characters, and other subtle surface features. It achieves this by illuminating the object from a very shallow angle, turning flat or reflective surfaces dark while making raised or recessed features appear bright—creating sharp visual contrast. This method is particularly effective for detecting height differences, edge transitions, stamped characters, or textured finishes, especially on metal, plastic, or glass components. The rugged mechanical build, thermal-resistant electronics, and compact mounting profile ensure reliable integration into demanding industrial environments.

Advantages

Turns reflective or smooth surfaces dark, allowing fine details to pop out
Enhances machine vision performance on difficult surface conditions
Improves defect detection in surface treatment, coating, or stamping processes
Reliable operation in continuous production due to thermal protection
Simplifies part setup with a plug-and-inspect mechanical format
Enhances visibility of surface defects and features
Improves measurement accuracy for depth, edge, and texture analysis
Enables stable, repeatable inspection in automated systems
Reduces vision errors caused by glare or low surface contrast
Supports OCR/OCV and validation tasks in marking, machining, and molding
Request a Quote
Download Datasheet

Product Description

The FÖGE VL-DFF Dark Field Light is designed for high-contrast surface inspection, ideal for revealing fine physical details such as grooves, scratches, indentations, embossed or engraved characters, and other subtle surface features. It achieves this by illuminating the object from a very shallow angle, turning flat or reflective surfaces dark while making raised or recessed features appear bright—creating sharp visual contrast. This method is particularly effective for detecting height differences, edge transitions, stamped characters, or textured finishes, especially on metal, plastic, or glass components. The rugged mechanical build, thermal-resistant electronics, and compact mounting profile ensure reliable integration into demanding industrial environments.

Advantages

Turns reflective or smooth surfaces dark, allowing fine details to pop out
Enhances machine vision performance on difficult surface conditions
Improves defect detection in surface treatment, coating, or stamping processes
Reliable operation in continuous production due to thermal protection
Simplifies part setup with a plug-and-inspect mechanical format
Enhances visibility of surface defects and features
Improves measurement accuracy for depth, edge, and texture analysis
Enables stable, repeatable inspection in automated systems
Reduces vision errors caused by glare or low surface contrast
Supports OCR/OCV and validation tasks in marking, machining, and molding
Request a Quote
Download Datasheet
DFF (1)

Why You Should Choose This Product

The VL-DFF Dark Field Light is the perfect solution when standard illumination methods fail to detect fine surface anomalies or markings. Whether you're trying to read engraved serial numbers, inspect texture patterns, or identify subtle defects like scratches or chips, the VL-DFF brings out contrast where it matters most. Its durable construction and optimized light geometry make it easy to integrate and essential in your surface inspection workflow.
Request a Quote
Download Datasheet

Key Features

01

Shallow Angle Illumination

Highlights dents, grooves, textures, and other subtle features.

02

High-Contrast Edge and Mark Detection

Ideal for OCR on stamped or engraved characters.

03

Industrial-Grade, Rugged Housing

Designed for stability and long-term use in vision systems.

04

Heat-Proof, Current-Driven Design

Provides consistent brightness and extended lifespan.

05

Compact and Easy to Mount

Fits into limited spaces near inspection areas.

VL-DFF

Advantages

Enhances visibility of surface defects and features
Improves measurement accuracy for depth, edge, and texture analysis
Enables stable, repeatable inspection in automated systems
Reduces vision errors caused by glare or low surface contrast
Supports OCR/OCV and validation tasks in marking, machining, and molding
Request a Quote
Download Datasheet

Need to reveal the hidden features of your components?

Schedule a demo or send your samples to experience how FÖGE VL-DFF brings unmatched contrast to surface inspection—live on your production line.
Request a Quote
Download Datasheet

Do you have any questions about this product?

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Tabelle der Produkspezifikationen

Model Color Wavelength
/ Farbtemperatur		 Power supply Power consumption IP protection rating Cable length / connection Dimensions Housing material Beam angle (°)
A (mm) B (mm) C (mm) D (mm) E (mm)
VL-DFA-40-80-R-24-C30 R 660 nm 24 VDC Continuous operation: 2 W, Trigger: 4 W IP50 M8 4-pin with 300 mm cable 40 80 15,5 * * Aluminum (Black, Anodized) 120°
VL-DFA-40-80-W-24-C30 W 6500 K 24 VDC Continuous operation: 2.5 W, Trigger: 5 W IP50 M8 4-pin with 300 mm cable 40 80 15,5 * * Aluminum (Black, Anodized) 120°
VL-DFF-40-80-R-24-C30 R 660 nm 24 VDC Continuous operation: 2 W, Trigger: 4 W IP50 M8 4-pin with 300 mm cable 40 80 15,5 * * Aluminum (Black, Anodized) 120°
VL-DFF-40-80-W-24-C30 W 6500 K 24 VDC Continuous operation: 2.5 W, Trigger: 5 W IP50 M8 4-pin with 300 mm cable 40 80 15,5 * * Aluminum (Black, Anodized) 120°
VL-DFF-103-143-R-24-C30 R 660 nm 24 VDC Continuous operation: 4 W, Trigger: 8 W IP50 M8 4-pin with 300 mm cable 103 143 15,5 * * Aluminum (Black, Anodized) 120°
VL-DFF-103-143-W-24-C30 W 6500 K 24 VDC Continuous operation: 5 W, Trigger: 9 W IP50 M8 4-pin with 300 mm cable 103 143 15,5 * * Aluminum (Black, Anodized) 120°
VL-DFF-165-205-R-24-C30 R 660 nm 24 VDC Continuous operation: 6.5 W, Trigger: 11 W IP50 M8 4-pin with 300 mm cable 165 205 15,5 * * Aluminum (Black, Anodized) 120°
VL-DFF-165-205-W-24-C30 W 6500 K 24 VDC Continuous operation: 7.5 W, Trigger: 12 W IP50 M8 4-pin with 300 mm cable 165 205 15,5 * * Aluminum (Black, Anodized) 120°
VL-DFF-230-270-R-24-C30 R 660 nm 24 VDC Continuous operation: 8.5 W, Trigger: 14 W IP50 M8 4-pin with 300 mm cable 230 270 15,5 * * Aluminum (Black, Anodized) 120°
VL-DFF-230-270-W-24-C30 W 6500 K 24 VDC Continuous operation: 10 W, Trigger: 16 W IP50 M8 4-pin with 300 mm cable 230 270 15,5 * * Aluminum (Black, Anodized) 120°
VL-DFF-290-330-R-24-C30 R 660 nm 24 VDC Continuous operation: 11 W, Trigger: 17 W IP50 M8 4-pin with 300 mm cable 290 330 15,5 * * Aluminum (Black, Anodized) 120°
VL-DFF-290-330-W-24-C30 W 6500 K 24 VDC Continuous operation: 12.5 W, Trigger: 20 W IP50 M8 4-pin with 300 mm cable 290 330 15,5 * * Aluminum (Black, Anodized) 120°
VL-DFF-355-395-R-24-C30 R 660 nm 24 VDC Continuous operation: 13 W, Trigger: 20 W IP50 M8 4-pin with 300 mm cable 355 395 15,5 * * Aluminum (Black, Anodized) 120°
VL-DFF-355-395-W-24-C30 W 6500 K 24 VDC Continuous operation: 15 W, Trigger: 23 W IP50 M8 4-pin with 300 mm cable 355 395 15,5 * * Aluminum (Black, Anodized) 120°

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