63-815 25mm Dia. x 250mm FL VIS-NIR Coated; UV Plano-Convex Lens VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- 250 mm
- BFL
- 248.14 mm
- R1
- 114.61 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
63-815 25mm Dia. x 250mm FL VIS-NIR Coated; UV Plano-Convex Lens VIS-NIR 400-1000nm
The 63-815 is a 25mm diameter, 250mm focal length plano-convex lens, specifically designed for use in the visible to near-infrared (VIS-NIR) spectrum, spanning 400-1000nm. This lens, sourced from Edmund Optics, is a spherical lens with a base shape of a circle, ensuring a wide field of view and minimal distortion.
The lens's geometry is meticulously crafted, with a 2.03mm edge thickness and a 2.71mm center thickness, providing a robust and durable structure. The effective focal length (EFL) is 250mm, and the front radius (R1) is 114.61mm, contributing to its high-performance imaging capabilities.
The lens is constructed from fused silica (mal-1965), a material known for its excellent transmittance and resistance to thermal shock. This makes the 63-815 an ideal choice for applications requiring high-precision imaging in demanding environments.
The lens features a broadband anti-reflection coating, both on the front and back surfaces, specifically the 'edm visnir0sp2002000' coating. This coating enhances the lens's light transmission capabilities, reducing surface reflections and improving overall image quality.
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