LB5247-E 25.4 mm Dia. CaF2 Double-Convex Lens; EFL=75mm 2-5µm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- 75 mm
- R1
- 64.4 mm
- R2
- -64.4 mm
Material
- Name
- CaF2
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4338389315589535
- λ
- 588 nm
- B1
- 0.5675888
- C1
- 0.00252643 μm2
- B2
- 0.4710914
- C2
- 0.010078333 μm2
- B3
- 3.8484723
- C3
- 1200.555973 μm2
LB5247-E 25.4 mm Dia. CaF2 Double-Convex Lens; EFL=75mm 2-5µm
The LB5247-E is a high-quality spherical lens, boasting a double-convex design and a 25.4 mm diameter. This lens is sourced from the reputable vendor Thorlabs and is specifically designed for use with a wavelength of 588 nm. The lens is made from Calcium Fluoride (CaF2) material, identified as "caf2 mal-1963" in the material database.
The lens features an effective focal length (EFL) of 75 mm, making it suitable for a range of applications that require precise focusing and imaging. The front and back surfaces of the lens are coated with tho ecaf2arc20005000, a specialized anti-reflection coating that enhances transmission and reduces surface reflections.
The geometry of the lens includes a thickness of 2 mm at the edge and 4.5 mm at the center. The radii of curvature for the first and second surfaces are 64.4 mm and -64.4 mm, respectively. The lens does not have an inner or outer radius.
The lens is currently in stock and available for immediate purchase. For more information, including technical specifications and purchasing options, please refer to the vendor's website using the provided weblink.