49-396-INK 50 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=500mm VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 50 mm
- EFL
- 500 mm
- R1
- 305.74 mm
- R2
- -223.2 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
49-396-INK 50 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=500mm VIS-NIR 400-1000nm
The 49-396-INK is a high-quality achromatic doublet lens, sourced from the renowned optical vendor, Edmund Optics. This lens, with a diameter of 50 mm, is designed for use in the visible (VIS) and near-infrared (NIR) spectrum, specifically catering to the wavelength range of 400-1000nm.
The lens is a multiplet, meaning it is composed of multiple optical elements. In this case, it is made up of two different materials: N-BK7 and N-SF5, both from Schott. The use of these materials helps to correct chromatic aberration, a common issue in lens systems, thereby improving the overall image quality.
The lens has an effective focal length (EFL) of 500mm, making it suitable for applications that require a long focal length. The geometry of the lens is carefully designed, with an edge thickness of 10.51mm and a center thickness of 8mm. The lens also features a coating of edm visnir0sp2002000 on both the front and back surfaces, enhancing its performance in the VIS-NIR spectrum.
The 49-396-INK is currently in stock and available for immediate purchase through the Edmund Optics website. With its superior design and quality materials, this lens is an excellent choice for a wide range of optical applications.
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