LP425 Longpass Filter (T>90%@435-1100nm, OD6@200-420nm)

Professional LP425 Longpass Filter - UV/Violet Excitation Optical Filtering

The LP425 Longpass Filter delivers exceptional optical performance for demanding UV and violet excitation applications. With excellent 90% transmission efficiency and superior OD6 blocking, this filter is specifically engineered for critical fluorescence microscopy systems requiring precise blue-violet wavelength separation.

Technical Specifications:

• Cut-on Wavelength: 425nm (T=50%)
• High Transmission: T>90% @ 435-1100nm
• Superior Blocking: OD6 @ 200-420nm

Key Applications:

• UV Fluorescence Microscopy: Perfect for DAPI and Hoechst nuclear staining
• Violet Excitation Systems: Ideal for 405nm laser applications
• Confocal Microscopy: Essential for multi-color imaging with UV/violet excitation
• Flow Cytometry: Optimal for violet laser line separation
• Cell Biology Research: Excellent for nuclear and chromosome imaging
• Spectroscopy: Precise UV-blocking with blue-violet transmission

Compatible Filter Systems:

• UV Excitation Filter Set: Functions as essential emission filter component
• Violet Excitation Filter Set: Perfect emission filter for 405nm systems
• DAPI Filter Sets: Ideal for nuclear staining applications
• Multi-band Systems: Compatible with complex optical configurations

Performance Features:

• Sharp transition edge for precise 425nm cutoff
• High 90% transmission minimizes signal loss
• OD6 blocking provides outstanding UV protection and background suppression
• Optimized for blue-violet to near-infrared spectrum (435-1100nm)
• Consistent performance across entire filter surface
• Low autofluorescence for sensitive detection
• Stable performance under intense UV illumination

Technical Advantages:

• Dual Compatibility: Works with both UV and violet excitation systems
• Superior UV Blocking: OD6 performance ensures complete UV rejection
• Research Grade: Professional quality for critical applications
• System Integration: Essential component for complete filter sets

Quality & Reliability:

• Advanced multi-layer coating technology
• Rigorous quality control and performance verification
• Compatible with standard optical mounts and filter cubes
• Suitable for both research and clinical applications
• Designed for high-intensity UV and violet laser applications

Perfect for: UV and violet fluorescence microscopy, DAPI imaging, nuclear staining, flow cytometry, and optical systems requiring precise UV blocking with excellent blue-violet transmission efficiency.