49-317-INK 9 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=40mm VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 9 mm
- EFL
- 40 mm
- R1
- 24.77 mm
- R2
- -18.01 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
49-317-INK 9 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=40mm VIS-NIR 400-1000nm
The 49-317-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 400-1000nm.
The lens features a 9mm diameter and an effective focal length (EFL) of 40mm, making it suitable for a wide range of optical applications. The doublet is composed of two materials, N-BK7 and N-SF5, both from Schott, ensuring superior optical performance.
The lens is coated with EDm VISNIR0SP2002000, a broadband anti-reflection coating, on both the front and back surfaces. This coating enhances the lens's transmission capabilities, reducing unwanted reflections and improving overall system performance.
The lens geometry is meticulously designed, with a central thickness of 3.73mm and edge thickness of 4.45mm. The lens's radii are R1=24.77mm, R2=-18.01mm, and R3=-51.17mm, contributing to its excellent optical properties.
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