63-719-INK 10 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=25mm VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 10 mm
- EFL
- 25 mm
- R1
- 15.37 mm
- R2
- -11.1 mm
Material 1
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5185223876207927
- λ
- 550 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 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
63-719-INK 10 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=25mm VIS-NIR 400-1000nm
The 63-719-INK is a high-quality achromatic doublet lens, sourced from the renowned optical vendor, Edmund Optics. This lens is specifically designed for use in the visible (VIS) and near-infrared (NIR) spectrum, spanning from 400 to 1000nm.
The lens features a 10mm diameter and an effective focal length (EFL) of 25mm, making it suitable for a wide range of optical applications. The achromatic design, which combines two different types of glass (N-BK7 and N-SF5), effectively minimizes chromatic aberration, ensuring sharp and clear imaging.
The lens geometry includes a central thickness of 3.5mm, with a slight increase to 3.76mm at the edge. The inner and outer radii are zero, indicating a simple, circular shape. The first and second radii of curvature (r1 and r2) are 15.37mm and -11.1mm respectively, while the third radius (r3) is -31.47mm.
Both the front and back surfaces of the lens are coated with the EDM VIS-NIR 0SP2002000 coating, which is designed to enhance transmission in the specified wavelength range. This coating also provides protection against environmental factors, ensuring the longevity and durability of the lens.
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