49-318-INK 9 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=45mm VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 9 mm
- EFL
- 45 mm
- R1
- 27.83 mm
- R2
- -19.75 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
49-318-INK 9 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=45mm VIS-NIR 400-1000nm
The 49-318-INK is a high-quality achromatic doublet lens, sourced from the renowned optical vendor, Edmund Optics. This lens, with a catalog number 49-318-INK, is designed for use in the visible to near-infrared spectrum, spanning 400 to 1000nm.
The lens features a base shape of a circle, with a diameter of 9mm. It has a significant thickness at the edge, measuring 3.76mm, and a central thickness of 3mm. The inner and outer radii are zero, indicating a symmetrical design. The effective focal length (EFL) of this lens is 45mm, making it suitable for a wide range of optical applications.
The lens is composed of two types of materials, N-BK7 and N-SF5, both from Schott. These materials are known for their excellent optical properties, contributing to the lens's high performance. The lens is coated with edm visnir0sp2002000 on both the front and back surfaces, further enhancing its capabilities.
The 49-318-INK is currently in stock and available for immediate purchase. For more information, please refer to the vendor's website at https://www.edmundoptics.com/p/9mm-dia-x-45mm-fl-vis-nir-inked-achromatic-lens/9682/.
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