THORLABS LC1611-A Nos Coated Plano Concave Lens 50.8 150.0 N-BK7

( Brand: Thorlabs ), ( Part Type: Len ), ( Manufacturer Part Number: LC1611-A )

Review THORLABS New Nos 50.8 Coated Plano Concave Lens

The Thorlabs LC1611-A N-BK7 plano-convex lens is a high-quality optical component designed for various applications in research, industrial, and laboratory settings. This lens is made of BK7 glass, which is known for its excellent optical properties, including high refractive index, low dispersion, and high transmittance in the visible range.

The plano-convex design of this lens implies that one side is flat and the other side is curved, making it suitable for collimating or focusing light. The radius of curvature of the curved side is 50.8 millimeters, and the effective focal length is 150.0 millimeters. This lens has a diameter of 25.4 millimeters and a thickness of approximately 12.1 millimeters.

The surface of the lens is coated with a broadband antireflection (N-BK7) coating that reduces reflection and minimizes loss of light. This coating ensures high transmittance across the visible spectral range, making the lens an excellent choice for applications that require high efficiency and minimal light loss.

The LC1611-A N-BK7 plano-convex lens is precision-machined to ensure high optical quality and consistency. It has a threaded mounting surface with a standard M27 x 0.75 thread, allowing easy attachment to various optical systems. The lens is also available in various other sizes and coatings to cater to different applications and requirements.

In summary, the Thorlabs LC1611-A N-BK7 plano-convex lens is a versatile and high-performance optical component that offers excellent optical properties, precise manufacturing, and convenient mounting options for various applications in the field of optics and photonics. Its large effective focal length, combined with its high transmittance and low reflection, makes it an ideal choice for collimating or focusing light in the visible spectral range.

The Thorlabs LC1611-A N-BK7 coated plano-convex lens is a high-quality optical component suitable for various applications, particularly in the field of laser systems and optical instruments. Let's discuss some potential pros and cons for considering this lens in your project.

1. High-quality materials: The lens is made of N-BK7 glass, which is known for its excellent optical properties, low thermal expansion coefficient, and good transmission in the visible and near-infrared regions.

2. Precise specifications: The lens offers a high refractive index (50.8) and a large diameter (150.0 mm), making it suitable for use in high-power laser systems or large-format optical setups.

3. Coating: The lens is coated with a multilayer anti-reflection coating, which minimizes reflections and improves transmission efficiency.

4. Flat and parallel surfaces: The plano-convex design ensures that the lens has a flat, parallel surface, which is essential for many optical applications.

1. Cost: Given the high-quality materials and precise manufacturing, the LC1611-A lens is relatively expensive compared to other lenses with similar specifications.

2. Size and weight: Due to its large diameter and thick glass, the lens is quite heavy and bulky, which may make it difficult to integrate into compact systems.

3. Limited focal length: As a plano-convex lens, it does not have a fixed focal length, and its effective focal length will depend on the application and the distance between the lens and the object.

In conclusion, the Thorlabs LC1611-A N-BK7 coated plano-convex lens is a high-performance optical component with excellent materials and precise specifications. However, its high cost, size, and weight, as well as the lack of a fixed focal length, may be drawbacks for some applications. Ultimately, the decision to purchase this lens will depend on the specific requirements of your project and the resources available to you.

If you are working with a high-power laser system or a large-format optical setup and require a high-quality, large-diameter lens with excellent transmission efficiency and anti-reflection coating, the Thorlabs LC1611-A N-BK7 coated plano-convex lens may be an excellent choice. However, if your project has size, weight, or budget constraints, you may want to consider other lens options with similar specifications but more affordable prices and smaller sizes.

Details:

part #: lc1611 prices

• $35.00-$300.00

specifications detectoimage:

• brand: Thorlabs
• part type: Len
• manufacturer part number: LC1611-A

seller detectoimage:

• rating: 99.8%
• # reviews: 2657
• city: Broomfield, Colorado

offer detectoimage:

• availability: In Stock
• best offers: True
• sold: 0
• options: Ship-to-home
• quantity: 1
• started: February 11, 2026

returns detectoimage:

• policy: No Returns

general detectoimage:

• condition: New
• Test, Measurement Inspection > Cameras Imaging > Other Cameras Imaging

shipping detectoimage:

• cost: $15.00
• class: Standard
• service: Standard
• transit: 2-7 Days
• type: Fixed

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• credit card: Mastercard
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• wallet: Google-pay

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