THORLABS LK4245RM-B Uvfs Plano Concave Round Lens 100.0

( Brand: Thorlabs ), ( Manufacturer Part Number: LK4245RM-B ), ( Part Type: Len )

Review THORLABS 100.0mm Inch Uvfs Mounted Plano concave Round Cyl Lens

The Thorlabs LK4245RM-B is a high-quality, 100.0 mm diameter, plano-concave round lens designed for use in ultraviolet applications. This lens features a focal length of 45.0 mm, providing a focal ratio of f/2.2, making it an excellent choice for focusing UV light.

The lens is made of UV fused silica glass, ensuring excellent transmission in the ultraviolet spectrum. The surface quality of this lens is exceptional, with a measured scattering level below 0.05 lambda at 632.8 nm. This low scattering level results in high-contrast images and precise beam focusing.

The lens surface is uncoated, making it ideal for use in applications where anti-reflection coatings may interfere with the desired UV wavelengths. The lens is also fully compatible with Thorlabs' LK101 C-mount and LK111 F-mount adapters, allowing easy integration into various imaging systems.

The LK4245RM-B is manufactured to the highest standards, with precise grinding and polishing techniques used to achieve the desired curvature and surface quality. The lens is also tested to ensure that it meets the specified optical performance, providing confidence in its performance in your UV applications.

Overall, the Thorlabs LK4245RM-B is an excellent choice for those in need of a high-quality, UV-transmitting, plano-concave round lens for their UV imaging or focusing applications. Its large diameter, short focal length, and exceptional surface quality make it a versatile and valuable addition to any UV lab or research setup.

The Thorlabs LK4245RM-B 100.0 um plano-concave round lens is a specialized optic component designed for use in UV applications. This lens has several advantages and disadvantages that are essential to consider before making a purchase.

1. High-quality UV optics: This lens is made of high-quality UV fused silica glass, ensuring excellent transmission in the UV range. It is an ideal choice for applications that require UV light manipulation.

2. Precision manufacturing: The lens undergoes rigorous testing and quality control processes to ensure it meets the highest standards of accuracy and consistency.

3. Versatile: Plano-concave lenses can be used for various applications, including collimating, focusing, and imaging, making this lens a versatile addition to any UV optics setup.

1. High cost: Given its high-quality materials and precise manufacturing, the LK4245RM-B is a relatively expensive lens compared to other options in the market.

2. Limited size: With a diameter of only 42.5 mm, this lens may not be suitable for large-scale applications or setups.

3. Requires other components: To utilize the full potential of this lens, additional components, such as mounts and other optical elements, may be necessary, increasing the overall cost.

The Thorlabs LK4245RM-B 100.0 um plano-concave round lens is a high-performance UV optic component that offers excellent quality and versatility. Its advantages, such as high-quality UV optics, precision manufacturing, and versatility, make it an ideal choice for applications that require the manipulation of UV light. However, its high cost, limited size, and the need for additional components may make it less suitable for budget-conscious users or those with large-scale applications.

If you require a high-quality, UV-optimized optic component for your setup and have the budget for it, the Thorlabs LK4245RM-B 100.0 um plano-concave round lens is an excellent choice. However, if cost is a concern or if you have larger-scale application requirements, you may want to consider other options that offer a more balanced combination of cost, size, and performance.

Details:

ThorLabs LK4245RM-B f -100.0mm, 1, UVFS Mounted Plano-Concave Round Cyl Lens.

part #: lk4245rm prices

• $19.99-$31.50

specifications lablaserphotonicszo:

• brand: Thorlabs
• mpn: Lk4245rm-b
• part type: Len

seller lablaserphotonicszo:

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

offer lablaserphotonicszo:

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

returns lablaserphotonicszo:

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

general lablaserphotonicszo:

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

shipping lablaserphotonicszo:

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

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• credit card: Mastercard

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