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VisionShield Industrial Machine Vision Circular Polarizing Filter (M25.5 / M27 / M30.5)

$60.00

✓ IN STOCK • 24H DISPATCH🛡️ 12-MONTH WARRANTY⚡ FACTORY QC TESTED
  • [ELIMINATES SPECULAR GLARE] Industrial circular polarizing (CPL) optical glass eliminates blinding glare and reflections on machined metals, solder joints, and blister packaging.
  • [M25.5 STANDARD VISION THREAD] Universal M25.5 x 0.5 metric filter thread mounts directly onto Cognex, Keyence, Basler, and Hikrobot machine vision lenses.
  • [ROTATABLE LOCKABLE BEZEL] Precision-machined aluminum rotating bezel with dual brass locking thumbscrews allows exact angle tuning and prevents vibration loosening.
  • [HYDROPHOBIC MULTI-COATING] Multi-layer anti-reflective (AR) and oleophobic scratch-resistant coating delivers >98% light transmission with zero optical distortion.
  • [ROBOTIC INSPECTION READY] Critical upgrade for vision-guided pick-and-place, robotic weld seam tracking, barcode reading, and automated optical inspection (AOI).

Availability: 50 in stock

SKU: P15-14 Category:
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Fast Global DispatchPacked & shipped in 24-48h
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100% Pre-Shipment TestedQC test reports included
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12-Month GuaranteeHassle-free replacement
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OEM Cross-Match100% fit guaranteed

Eliminate Metallic Glare & Maximize Machine Vision Inspection Accuracy

Specular reflection from polished aluminum, stainless steel, and glossy packaging blindingly saturates camera sensors, causing false defect rejections and barcode misreads. The VisionShield Industrial Circular Polarizing Filter eliminates optical glare, revealing crisp surface details and high-contrast edges for automated inspection algorithms.

Key Engineering Advantages:

  • High Extinction Polarizing Film: Blocks over 99.9% of polarized reflected light.
  • Dual Brass Thumbscrews: Locks the polarizer orientation securely against robot arm vibrations.
  • Broadband AR Coating: Maximizes transmission in the 400nm – 700nm visible spectrum.

⚙️ Technical Specifications

ParameterSpecificationTest Standard / Notes
Optical Filter TypeCircular Polarizer (CPL) with Integrated 1/4-Wave RetarderHigh-purity glass
Mounting ThreadM25.5 x 0.5 mm Metric Fine ThreadStandard vision lens thread
Clear Optical Aperture23.0 mm DiameterUnvignetted wide angle
Extinction Ratio> 99.9% Polarized Light RejectionTested per optical bench norms
Anti-Vibration LockingDual Brass Thumbscrews on 360° Rotating BezelPrevents drift from vibration
Surface CoatingDouble-Sided Multi-Layer Anti-Reflective & Hydrophobic CoatingScratch resistant

🔍 Compatibility & OEM Cross-Reference

Manufacturer / BrandSeries / ControllerModel / ApplicationOEM Part NumbersFit Status
CognexIn-Sight 5000 / 7000 / 8000Industrial Smart CamerasStandard C-Mount Lenses100% Precision Match
KeyenceCV-X / XG-X SeriesVision SystemsM25.5 Thread Lenses100% Precision Match
Edmund Optics / ComputarTECHSPEC / MP SeriesMachine Vision LensesM25.5 x 0.5100% Direct Fit

📦 What’s in the Box (Package Contents):

  • 1x VisionShield M25.5 Industrial CPL Polarizer with Dual Locking Screws
  • 1x Precision M25.5 to M27 Step-Up Adapter Ring
  • 1x Optical Microfiber Cleaning Cloth
  • 1x Anti-Static Protective Storage Case

🚚 Packaging & Logistics Specifications

Logistics ParameterStandard SpecificationNotes / Classification
Net Weight28 gUltralight optical glass & aluminum
Gross Weight80 g (With Case & Adapter)Foam padded case
Package Dimensions10.0 x 10.0 x 3.0 cm (3.9 x 3.9 x 1.2 in)Small parcel
Logistics ClassificationSmall Standard-Size ParcelAir Express Ready

❓ Technical Buyer FAQs & Maintenance Insights

Q: How do I set the correct polarization angle?
With your vision camera running live video on your target workpiece, rotate the outer bezel until the reflection disappears on your monitor, then tighten both brass locking screws.

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Legal Disclaimer: RoboAuto is an independent distributor of industrial robotics and automation replacement components. Any referenced OEM brand names, model codes, and trademarks are the property of their respective owners and are displayed strictly for compatibility reference and part identification.

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