Home / Optical Lenses / N-BK 7 Lens

N-BK7 Spherical Lenses

N-BK7 lenses are valued for their exceptional optical clarity and robustness, making them ideal for applications requiring precise light transmission and minimal distortion.

Manufactured in the USA
Manufactured in the USA

Benefits of N-BK7 Lenses

High Optical Clarity

Ideal for visible to near-infrared applications.

Durability

Resistant to physical and environmental stresses.

Cost-Effective

Provides excellent performance at a competitive price point.

Versatility

Suitable for a broad range of optical applications, from photography to scientific instrumentation.

N-BK7 Lense Examples

What are N-BK7 Lenses?

N-BK7 lenses are made from high-quality borosilicate glass known for its excellent optical properties. These lenses are highly transparent in the visible to near-infrared light spectrums, making them ideal for various applications, including photography, microscopy, and various scientific instruments. N-BK7 is chosen for its high homogeneity, low bubble and inclusion content, and robust physical characteristics, ensuring superior performance and durability. These lenses provide cost-effective solutions for precision optical systems requiring high clarity and minimal optical distortion.

Spherical Lenses only

Diameter: From 10 mm (.393") to 200 mm (7.875")
Thickness: Nearly any thickness; varies by diameter
Radius of Curvature: Convex, Concave, Meniscus, in any measurement from flat to hemispherical
Surface Quality: Down to 20/10 Scratch/Dig
Quantities: From singles to full production runs

Frequently Asked Questions

What are N-BK7 spherical lenses and what makes them unique?

N-BK7 spherical lenses are optical lenses made from N-BK7 glass, a high-quality borosilicate crown glass notable for its excellent clarity and high light transmission across the visible spectrum. These lenses are particularly valued for their stable optical properties and resistance to thermal shock, making them ideal for applications in lasers, imaging, and optical instruments.

In what applications are N-BK7 spherical lenses most commonly used?

N-BK7 spherical lenses are widely used in a variety of applications due to their robust optical characteristics. Common uses include microscopy, photography, spectroscopy, and various optical instrumentation where precise light manipulation is required. They are also popular in educational and laboratory settings for demonstrations and experiments.

How do N-BK7 spherical lenses compare to other types of optical glass lenses?

N-BK7 spherical lenses offer superior light transmission in the visible spectrum compared to other optical glasses, making them more effective for applications requiring high clarity and minimal optical distortion. They are more cost-effective than high-index materials and provide better thermal and chemical stability than many other glass types, striking a balance between performance and cost.

Start your N-BK7 Lenses project today

For a quote on your custom requirements please send us your drawing or specification.