Products Description
LP420 Longpass Filter | 425nm Cut-On, OD>2 UV Blocking, 0° AOI
The LP420 is a precision-engineered longpass filter built for consistent spectral performance across visible and near-infrared optical systems. As part of OPTOStokes’ extensive in-stock longpass filters portfolio, it delivers high uniform transmission from 425nm to 1100nm paired with deep ultraviolet blocking. Manufactured with world-class thin-film coating technology, each unit delivers stable, repeatable performance suited for both R&D prototyping and high-volume OEM integration.
Technical Specifications
| Parameter | Specification |
|---|---|
| Nominal Cut-On Wavelength | 420 nm |
| Transmission Band | 425 – 1100 nm |
| Average Transmission | Greater than 88% |
| Blocking Band | 350 – 400 nm |
| Optical Density (Blocking) | Greater than OD 2 |
| Angle of Incidence | 0 degrees |
Applications
This filter is deployed across systems requiring reliable UV rejection and broad visible-to-NIR transmission. Primary use cases include:
Fluorescence detection and life science instrumentation
Machine vision and industrial inspection setups
Analytical instruments and spectral detection equipment
Biomedical imaging and laser system integration
Customization & Service
OPTOStokes provides full customization support to match exact system requirements. Available substrate geometries include circular, square, and custom irregular profiles, with optional mounting rings for fast mechanical integration. We maintain a broad in-stock selection for rapid delivery, while also supporting high-level custom coating tuning and dimension modification for OEM projects. Every order is backed by guaranteed quality and reliable lead times to keep your production and development schedules on track.
Why Partner With OPTOStokes
Engineering and procurement teams often face recurring challenges with optical component sourcing: extended lead times for custom parts, limited technical support during integration, and inconsistent coating quality across production batches. At OPTOStokes, we combine world-class manufacturing precision with responsive technical support and dependable delivery schedules to eliminate these pain points.
For full datasheets, custom configuration pricing, or sample availability, contact our optical specialists at sales@optofilters.com or submit an inquiry directly through our website. Our team will respond with targeted solutions tailored to your project requirements.
Tags: longpass filters fluorescence detection machine vision optical density 420nm UV blocking
