Overview
The Cognex 820-0290-1R diffuse lens cover kit delivers red LED illumination and optical diffusion for Cognex DM300 vision systems. This replacement accessory enhances image quality and contrast in industrial machine vision inspection tasks by distributing light evenly across the target surface. The kit is engineered for straightforward installation on compatible Cognex vision platforms.
Key Features
- Red LED illumination for optimized lighting in machine vision applications
- Diffuse lens design for uniform light distribution
- Compact form factor (2 × 1.5 × 1.5 inches)
- Direct fit for Cognex DM300 series systems
- Plug-and-play installation with minimal setup
Technical Specifications
- Part Number: Cognex 820-0290-1R
- Alternate Model: DM300-DLCOV-RE
- Product Type: Diffuse Lens Cover Kit
- Illumination Color: Red LED
- Dimensions: 2 × 1.5 × 1.5 inches
- Weight: 1.15 pounds
- Manufacturer: Cognex
- Condition: New – Open Box
Typical Applications
The Cognex 820-0290-1R is commonly used in:
- Automated manufacturing inspection and quality control
- Product identification and barcode reading systems
- Surface defect detection and analysis
- Part verification on assembly lines
- Industrial machine vision systems requiring consistent illumination
Compatibility & Replacements
Compatible With
- Cognex DM300 vision systems
- Cognex DataMan 300 series platforms
- Industrial automation and inspection line integrations
- Machine vision lighting systems using DM300-compatible fixtures
Replaces / Drop-In Replacement For
- Original OEM DM300-DLCOV-RE diffuse lens cover kit
- Worn or damaged red LED lens covers on Cognex DM300 systems
Works With
- Cognex DM300 vision system software and firmware
- Standard industrial lighting and vision mounting systems
- EtherNet/IP and Cognex SmartView platforms








