48-989 25mm Dia. x 200mm FL; VIS 0deg Coated; UV Double-Convex Lens VIS 0deg 425-675nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- 200 mm
- BFL
- 189.84 mm
- R1
- 182.85 mm
- R2
- -182.85 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
48-989 25mm Dia. x 200mm FL; VIS 0deg Coated; UV Double-Convex Lens VIS 0deg 425-675nm
The 48-989 is a Spherical Lens (Convex-Convex) type of optical component with a base shape of Circular, sourced from the reputable vendor, Edmund Optics. This lens has a diameter of 25mm and a thickness edge of 2.52mm, while its thickness center measures 3.38mm. The effective focal length (EFL) of this lens is 200mm.
The lens's first radius of curvature (R1) is 182.85mm, and its second radius of curvature (R2) is -182.85mm. The back focal length (BFL) of this lens is 189.84mm, and both the inner and outer radii are 0mm. The lens is made of fused sil mal-1965 material, and its wavelength is 587.6nm.
The 48-989 lens features a coating on both the front and back, specifically the edm vis-0 std curve. This coating is designed to enhance the lens's performance within the visual spectrum (VIS) at a 0-degree angle and operates efficiently within the 425-675nm wavelength range.