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| SKU | bxk5473 |
| GTIN | 0601490075815 |
| Brand | Quanmin |
| Model Number | QM-NBF940-50 |
| Filter Type | IR Infrared Narrow Bandpass Filter |
| Wavelength | 940nm |
| Visible Light Transmission | 400nm - 906nm |
| IR Ray Blocking | 700nm - 1100nm |
| Shape | Square |
| Dimensions | 6mm x 6mm x 0.55mm |
| Material | Optical Glass |
| Coating | Multi Coating |
| Quantity | 10 pieces |
| Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners |
This item:
Quanmin 6mm x 6mm x 0.55mm 940nm IR Infrared Narrow Bandpass Filter Set (10 pcs) | Optical Glass for Face Recognition & CCTV
2,566
This item
Quanmin 6mm x 6mm x 0.55mm 940nm IR Infrared Narrow Bandpass Filter Set (10 pcs) | Optical Glass for Face Recognition & CCTV
2,566
Total price:
7,459
You save 5,486 (42%) Extra3 items selected
3 items
7,459You save 5,486 (42%) Extra
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Enhance Your Imaging Accuracy
Quanmin 10pcs 6mm x 6mm x 0.55mm 940nm IR Infrared Narrow Bandpass Filter Set offers precision optical glass for enhanced imaging. These filters block unwanted IR light (700nm-1100nm) while allowing visible light (400nm-906nm) to pass, preventing colour shifts and ensuring natural colour reproduction, crucial for applications like face recognition and CCTV systems. Imported directly from authorized US retailers and brand partners, this set guarantees authenticity and quality, with all customs duties and GST pre-paid for a transparent INR price.
The multi-coated optical glass ensures high-definition image quality by effectively filtering excess light interference. This narrow bandpass filter is ideal for CCD and CMOS imaging systems, security cameras, driving recorders, digital cameras, video door phones, and visual access control equipment. Unlike generic alternatives, these filters are manufactured to precise specifications, providing reliable performance for critical visual applications.
CrowCrowCrow ensures these specialized filters are accessible in India. Your order is processed per-order and shipped via ExpressBox with tracking. While standard filters are available, Quanmin also offers customization for specific sizes, wavelengths, and shapes, demonstrating a commitment to meeting diverse technical requirements. Experience clear imaging with these imported, high-quality optical filters.
Precision Imaging for Critical Applications
Quanmin's 940nm IR Infrared Narrow Bandpass Filters are engineered for applications where accurate colour and IR rejection are paramount. Unlike generic filters that may cause colour shifts or allow unwanted IR bleed, these multi-coated optical glass filters ensure clean visible light transmission. This precision is vital for face recognition systems, CCTV, and digital imaging where subtle colour accuracy impacts performance. Imported from authorized US retailers, these filters offer a reliable, high-quality solution for professional and enthusiast needs, ensuring your equipment captures true-to-life images without compromise.
Ideal for Indian Imaging Needs
These filters are perfect for Indian users working with face recognition technology, security systems, or digital cameras, especially in varied lighting conditions. The 940nm wavelength effectively manages IR interference, crucial for consistent performance. While local alternatives might offer basic filtering, Quanmin provides a specialized, multi-coated optical glass solution that guarantees superior clarity and colour fidelity. For those requiring precise imaging, these imported filters offer a distinct advantage over standard options, ensuring reliable results for critical visual data capture.
Typical situations where Quanmin 6mm x 6mm x 0.55mm 940nm IR Infrared Narrow Bandpass Filter Set (10 pcs) | Optical Glass for Face Recognition & CCTV helps — illustrative scenarios, not customer reviews.
A security system integrator in Delhi needs reliable filters for CCTV cameras to ensure accurate colour capture during daytime surveillance.
The Quanmin 940nm IR Infrared Narrow Bandpass Filter set provides precise IR blocking, ensuring natural colours and clear images even in bright sunlight. This prevents colour shifts and improves overall surveillance effectiveness, crucial for monitoring critical areas.
A developer in Bangalore is building a face recognition system and requires filters that accurately manage IR light for consistent performance.
These multi-coated optical glass filters effectively block IR rays, ensuring the system captures clear visible light for accurate facial detection and analysis. The 10-piece pack offers a cost-effective solution for development and deployment.
| Primary Use | Infrared lenses, face recognition, CCTV lenses, security cameras, driving recorders, digital cameras, video door phones, digital telescopes, visual access control equipment. |
| Cost per unit | ₹257 per filter |
| Shelf life after opening | 12 months (category default for optical components) |
| Contraindications | Not suitable for linear polarizer applications; effect varies with sun angle and lens. |
| Allergens / common irritants | N/A (non-consumable) |
| Feature | Quanmin 6mm x | Others |
|---|---|---|
| Filter Type | 940nm IR Infrared Narrow Bandpass Filter | Varies; may be broad IR cut or basic UV filter |
| Wavelength Control | Precise 940nm IR blocking, 400-906nm visible light pass | Less precise wavelength control; may allow more IR bleed |
| Material & Coating | Multi-coated Optical Glass | Often single-coated glass or resin; quality varies |
| Application Specificity | Optimized for Face Recognition, CCTV, IR Lenses | General purpose; may not be optimized for specific IR needs |
| Cost per filter (10-pack) | ₹257 per filter | ₹150 - ₹400 per filter (approx.) |
About Quanmin
Quanmin specializes in precision optical filters, including narrow bandpass and IR cut filters, for advanced imaging applications like face recognition and CCTV.
Compliance & Legal
No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging.
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| Attributes | Current |  |  |  |  |  | |
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| Spec | |||||||
| Price |
2,172 5,296 |
2,721 3,573 |
5,827 8,102 |
1,260 1,792 |
3,756 3,934 |
1,853 2,251 |
| Rating | 3.50(8) | 2.20(4) | 4.80(14) | 3.90(29) | 4.40(247) | 4.70(75) | 4.88(8) |
| Brand Name | Quanmin | Quanmin | Quanmin | Quanmin | TYHJ | Yoqanr | Sharpie |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
