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49-383-INK 40 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=200mm VIS-NIR 400-1000nm

49-383-INK 40 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=200mm VIS-NIR 400-1000nm

Type
Lens
Subtype
Multiplets
Brand
Edmund Optics
Product webpage
Edmund Optics products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
40 mm
EFL
200 mm
R1
124.12 mm
R2
-87.26 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

49-383-INK 40 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=200mm VIS-NIR 400-1000nm

The 49-383-INK is a high-quality achromatic doublet lens, sourced from the renowned optical components manufacturer, Edmund Optics. This lens, with a diameter of 40 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, composed of two different materials, N-BK7 and N-SF5, both from Schott. This combination is strategically chosen to minimize chromatic aberration, a common issue in lenses where different wavelengths of light are focused at different points. The achromatic design ensures that the lens focuses both red and blue light to the same point, delivering sharp and clear images.

The lens has an effective focal length (EFL) of 200mm, making it suitable for applications that require a longer focal length. The geometry of the lens includes a thickness of 10.09mm at the edge, 8.5mm at the center, and 4mm at the center a. The inner and outer radii are 0, indicating a circular shape.

The lens is coated with edm visnir0sp2002000 on both the front and back surfaces. This coating enhances the lens's performance in the VIS-NIR spectrum, providing improved transmission and reducing surface reflections.

According to the vendor's website, the lens is currently in stock, ensuring quick delivery for your optical system needs. For more information, you can visit the product page at https://www.edmundoptics.com/p/40mm-dia-x-200mm-fl-vis-nir-inked-achromatic-lens/9810/.

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