49-990 9mm Dia. x 36mm 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
- 9 mm
- EFL
- 36 mm
- BFL
- 35.31 mm
- R1
- 32.69 mm
- R2
- -32.69 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
49-990 9mm Dia. x 36mm FL; UV-AR Coated; UV Double-Convex Lens UV-AR 250-425nm
This is a UV-AR coated, UV double-convex lens, model 49-990, sourced from Edmund Optics. The lens boasts a 9mm diameter and a focal length of 36mm, making it suitable for a wide range of applications. The lens is made from fused silica, a material with excellent optical properties, including a high Abbe number and low autofluorescence.
The lens features a standard UV coating on both the front and back surfaces, designed to enhance its performance in the UV spectrum, specifically between 250 and 425nm. This coating helps to reduce surface reflections and increase transmission, thereby improving the overall efficiency and quality of the optical system.
The geometry of the lens is characterized by its edge thickness of 1.38mm and center thickness of 2mm. The lens's front and back radii are 32.69mm and -32.69mm, respectively, resulting in a back focal length of 35.31mm. The lens's shape is spherical, and it does not have any inner or outer radii.
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