49-379 40 mm Dia. N-SK11/N-SF5 Achromatic Doublet; EFL=60mm VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 40 mm
- EFL
- 60 mm
- R1
- 37.33 mm
- R2
- -31.54 mm
Material 1
- Name
- N-SK11
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5658215515592446
- λ
- 550 nm
- B1
- 1.17963631
- C1
- 0.00680282081 μm2
- B2
- 0.229817295
- C2
- 0.0219737205 μm2
- B3
- 0.935789652
- C3
- 101.513232 μm2
Material 2
- Name
- N-SF5
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6771143911586193
- λ
- 550 nm
- B1
- 1.52481889
- C1
- 0.011254756 μm2
- B2
- 0.187085527
- C2
- 0.0588995392 μm2
- B3
- 1.42729015
- C3
- 129.141675 μm2
49-379 40 mm Dia. N-SK11/N-SF5 Achromatic Doublet; EFL=60mm VIS-NIR 400-1000nm
The 49-379 is a high-quality achromatic doublet lens, boasting a 40 mm diameter and a focal length of 60 mm, specifically designed for the visual and near-infrared spectrum (VIS-NIR) range of 400-1000 nm. This lens is sourced from the renowned optical vendor, Edmund Optics.
The lens is constructed from two types of Schott glass, N-SK11 and N-SF5, which are renowned for their excellent optical properties. The front and back surfaces of the lens are coated with the EDM VISNIR0SP2002000 coating, enhancing its performance in the VIS-NIR spectrum.
The lens geometry is meticulously designed, with an inner radius of 0 and an outer radius of 0, ensuring optimal light transmission. The thickness at the edge of the lens is 10.03 mm, while the center thickness is 14.46 mm. The lens also features a 3 mm thickness at the center a.
The 49-379 is a circular multiplet lens, with radii R1 and R2 at 37.33 mm and -31.54 mm respectively, and R3 at -124.51 mm. This complex design helps to correct chromatic aberrations, ensuring sharp and clear images across the entire VIS-NIR spectrum.
The lens is currently in stock and available for immediate purchase from the Edmund Optics website. With its superior optical performance and robust design, the 49-379 is an excellent choice for a wide range of applications in the VIS-NIR spectrum.
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