49-252 12mm Dia. x 15mm FL; UV-AR Coated; UV Double-Convex Lens UV-AR 250-425nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 12 mm
- EFL
- 15 mm
- BFL
- 13.37 mm
- R1
- 13.01 mm
- R2
- -13.01 mm
Material
- Name
- Fused Silica
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.458462342053241
- λ
- 587.6 nm
- B1
- 0.6961663
- C1
- 0.00467914825849 μm2
- B2
- 0.4079426
- C2
- 0.013512063073959999 μm2
- B3
- 0.8974794
- C3
- 97.934002537921 μm2
49-252 12mm Dia. x 15mm FL; UV-AR Coated; UV Double-Convex Lens UV-AR 250-425nm
This is a UV-AR coated, double-convex lens, model 49-252, sourced from Edmund Optics. The lens boasts a 12mm diameter and a 15mm focal length, making it suitable for a variety of applications. The base shape of the lens is circular, and it features a spherical geometry.
The lens has a center thickness of 4.5mm and an edge thickness of 1.57mm, providing a solid structure for its use. The effective focal length (EFL) is 15mm, and the radii of curvature are 13.01mm for the first surface and -13.01mm for the second surface. The back focal length (BFL) is 13.37mm.
The lens is made from fused silica, identified as mal-1965 in the material ID. This material is known for its excellent transmission properties, making it ideal for UV applications. The lens is coated with a standard UV coating on both the front and back surfaces, providing anti-reflection properties within the 250-425nm wavelength range.