THORLABS LK1419RM-B Plano Concave Round Lens 150.0

( Brand: Thorlabs ), ( Manufacturer Part Number: LK1419RM-B ), ( Part Type: Len )

Review THORLABS 150.0mm Mounted Plano concave Round Cyl Lens

The Thorlabs LK1419RM-B 150.0 mm Plano-Concave Round Lens is an optically high-performance component designed for use in various applications in the field of laser technology and optical systems. This lens features a large 150.0 mm diameter and a plano-concave surface geometry, making it particularly suitable for collimating or focusing beams with large apertures.

The lens is made of high-quality BK7 glass, which offers excellent transmittance in the visible and near-infrared spectral range, ensuring efficient energy transfer and minimal loss. The surface quality of the lens is ensured by Thorlabs' advanced manufacturing processes, resulting in a high refractive index and low scatter, leading to sharp and clear images.

The plano-concave surface geometry of the lens is characterized by a flat, planar surface on one side and a curved, concave surface on the other side. This design allows for the efficient collimation or focusing of beams, depending on the application. The lens has a focal length of infinite, making it ideal for collimating beams.

The lens is coated with Thorlabs' proprietary AR-coating on both sides, which minimizes reflections and reduces stray light. The coating is highly durable, ensuring excellent scratch resistance and maintaining the optical performance over an extended period of use.

The lens comes with a threaded mounting ring, allowing it to be easily attached to other optical components or mounting systems. The mounting ring has a 1-1/16"-27 thread, which is a standard thread size in the industry. The lens is also available in other sizes and surface curvatures, making it a versatile component for a wide range of applications.

In summary, the Thorlabs LK1419RM-B 150.0 mm Plano-Concave Round Lens is a high-quality, large-diameter lens designed for use in laser technology and optical systems. Its large diameter, plano-concave geometry, high-quality BK7 glass, advanced coatings, and threaded mount make it an efficient and versatile component for collimating or focusing beams with large apertures.

The Thorlabs LK1419RM-B 150.0 mm plano-concave round lens is a high-quality optical component often used in various applications such as beam shaping, collimation, and focusing. Here are some pros and cons that may help you decide whether to purchase this lens:

1. High-quality optical component: Thorlabs is known for producing high-quality optical components, and this lens is no exception. It offers excellent surface quality and low distortion, making it ideal for demanding applications.

2. Large diameter: With a 150.0 mm diameter, this lens offers a large working area, making it suitable for use with larger beams or in applications where a large field of view is required.

3. Plano-concave design: This lens design is useful for collimating or focusing beams, depending on the position of the lens relative to the beam.

4. Good transmission: The lens has a high transmission coefficient, which means that it allows a large percentage of the incident light to pass through, making it ideal for use in applications where high light throughput is required.

1. Expensive: As with most high-quality optical components, this lens comes with a relatively high price tag.

2. Heavy: Due to its large diameter and high-quality glass, this lens is quite heavy, which may make it less practical for applications where weight is a concern.

3. Requires precise alignment: The plano-concave design of this lens requires precise alignment of the lens with the beam to achieve the desired collimation or focus.

In conclusion, the Thorlabs LK1419RM-B 150.0 mm plano-concave round lens is a high-quality optical component with excellent surface quality, large diameter, and good transmission. However, it comes with a relatively high price tag, is quite heavy, and requires precise alignment. If you require a large-diameter plano-concave lens for a demanding application, this may be an excellent choice. However, if weight or cost is a concern, you may want to consider alternative solutions.

Based on the information provided, I would recommend this lens for applications where high surface quality, large diameter, and good transmission are critical requirements, such as in beam shaping, collimation, or focusing applications in research or industrial settings. If you have additional constraints, such as weight or cost, you may want to consider alternative solutions.

Details:

ThorLabs LK1419RM-B f -150.0mm, Mounted Plano-Concave Round Cyl Lens.

part #: lk1419rm prices

• $19.99-$89.40

specifications lablaserphotonicszo:

• brand: Thorlabs
• mpn: Lk1419rm-b
• part type: Len

seller lablaserphotonicszo:

• # reviews: 2658
• rating: 100.0%
• city: Etowah, North Carolina

returns lablaserphotonicszo:

• time: 30 Days
• paid by: Buyer
• policy: Returns Accepted
• method: Money back

offer lablaserphotonicszo:

• started: February 23, 2026
• quantity: 1
• options: Ship-to-home
• sold: 0
• availability: In Stock

shipping lablaserphotonicszo:

• cost: $0.00
• transit: 3-8 Days
• type: Fixed
• service: Economy
• class: Economy

general lablaserphotonicszo:

• Medical Lab Equipment, Devices > Lab Lasers > Fiber Lasers
• condition: New

payments lablaserphotonicszo:

• other
• credit card: Diners-club
• wallet: Apple-pay

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