63-845 25mm Dia. x 250mm FL; VIS-NIR Coated; UV Double-Convex Lens VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- 250 mm
- BFL
- 248.9 mm
- R1
- 228.73 mm
- R2
- -228.73 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
63-845 25mm Dia. x 250mm FL; VIS-NIR Coated; UV Double-Convex Lens VIS-NIR 400-1000nm
The 63-845 is a high-quality spherical lens, boasting a base shape of a circle and a sub-type of Spherical Lens (Convex-Convex). This lens, sourced from the reputable vendor Edmund Optics, is designed for use in the visible to near-infrared spectrum, covering the wavelength range of 400-1000nm.
The lens has a diameter of 25mm and a focal length of 250mm, making it a versatile choice for various optical applications. The edge thickness measures 2.53mm, while the center thickness is 3.21mm, providing a robust structure for reliable performance. The effective focal length (EFL) is 250mm, and the back focal length (BFL) is 248.9mm, offering precise focusing capabilities.
The 63-845 features a material ID of fused sil mal-1965, ensuring durability and high optical performance. The lens is coated with edm visnir0sp2002000 on both the front and back surfaces, enhancing its ability to transmit light efficiently across the visible to near-infrared spectrum.