38-293 12.5mm Dia. x 40.0mm FL; VIS 0deg Coated; Plano-Convex Lens VIS 0° 425-675nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 12.5 mm
- EFL
- 40 mm
- BFL
- 38.55 mm
- R1
- 20.67 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5167984379050088
- λ
- 587.6 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
38-293 12.5mm Dia. x 40.0mm FL; VIS 0deg Coated; Plano-Convex Lens VIS 0° 425-675nm
The 38-293 is a Plano-Convex Lens, a type of spherical lens, sourced from Edmund Optics. This lens boasts a 12.5mm diameter and a focal length of 40.0mm, making it suitable for a wide range of optical applications. The lens is made from the material n-bk7 schott, a popular choice for its high refractive index and low dispersion.
The lens features a front and back coating of edm vis-0 std curve, which is a standard coating for visible light with a 0-degree angle of incidence. This coating enhances the lens's performance by reducing surface reflections and improving transmission, particularly within the wavelength range of 425-675nm.
The geometry of the lens includes a thickness edge of 1.23mm and a thickness center of 2.2mm. The inner radius is 0mm, and the outer radius is also 0mm, indicating a uniform curvature. The lens's effective focal length (EFL) is 40mm, and the back focal length (BFL) is 38.55mm.