LB4972-UV 50.8 mm Dia. UVFS Double-Convex Lens; EFL=250mm 245-400nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 50.8 mm
- EFL
- 250 mm
- R1
- 229.1 mm
- R2
- -229.1 mm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.458448271212196
- λ
- 588 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
LB4972-UV 50.8 mm Dia. UVFS Double-Convex Lens; EFL=250mm 245-400nm
The LB4972-UV is a high-quality double-convex lens, boasting a 50.8 mm diameter and a focal length of 250mm. This lens is specifically designed for use within the ultraviolet spectrum, with a wavelength range of 245-400nm, making it an ideal choice for applications requiring precise UV light manipulation.
This lens is sourced from Thorlabs, a trusted name in the optical components industry, and is crafted from UVFS, a material with excellent transmittance in the UV range. The lens features a UV-optimized broadband anti-reflection coating (UVBBAR) on both the front and back surfaces, further enhancing its performance within the UV spectrum.
The lens geometry includes a 3mm edge thickness and a 5.8mm center thickness, providing robustness and stability. The radii of curvature for the front and back surfaces are 229.1mm and -229.1mm, respectively, indicating a strongly converging lens. The lens is spherical in shape, ensuring excellent image quality and minimal distortion.
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