BK7 Plano Convex Lenses

• Versatile Functionality: Designed for focusing parallel light or converting spot light into parallel light, suitable for a wide range of optical applications.
• Broad Spectral Range: Offers high transmittance from visible light to near-infrared wavelengths (350-2000nm), ensuring excellent performance across diverse optical setups.
• High-Quality Material: Constructed from BK7 optical glass, renowned for its superior optical properties, including high transmittance and low dispersion.
• Precision Design: Engineered with precise diameter and center thickness tolerances, ensuring consistency and reliability in optical performance.
• Optimized Surface Quality: Features λ/4 surface figure at 633nm, providing excellent imaging quality and minimizing optical aberrations.
• Customizable Options: Available in various diameters (Dia), effective focal lengths (EFL), back focal lengths (BFL), center thicknesses (CT), and edge thicknesses (ET), offering flexibility to suit specific application requirements.
• Coating Options: Offered with optional custom anti-reflective (AR) coatings to enhance transmission and reduce glare, ensuring optimal performance in different lighting conditions.

Summary:

• Material:   BK7
• Design Wavelength:  587.6nm
• Diameter Tolerance:  +0.0/-0.1mm
• Center Thickness Tolerance:  ±0.1mm
• Surface Figure:  λ/4 @633nm
• Focal Length Tolerance:  ±1%
• Centration:  3 arc min.
• Surface Quality:  40/20-60/40
• Bevel:  0.2×45°-0.4×45°
• Coating: Uncoated or Customized AR

• Imaging Systems: Used in cameras, microscopes, and telescopes for focusing and magnification, enabling clear and precise imaging.
• Laser Systems: Employed as focusing lenses or collimators in laser systems for beam shaping, alignment, and beam expansion.
• Optical Instrumentation: Integrated into optical setups for beam manipulation, beam steering, and light focusing, facilitating various experimental and research applications.
• Medical Devices: Utilized in medical imaging equipment and diagnostic instruments for light focusing and beam alignment, enabling accurate analysis and diagnosis.
• Industrial Applications: Applied in industrial measurement systems, barcode scanners, and laser processing equipment for precision optical alignment and beam control.