49-283-INK 40 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=500mm VIS 0° 425-675nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 40 mm
- EFL
- 500 mm
- R1
- 305.31 mm
- R2
- -224.08 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
49-283-INK 40 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=500mm VIS 0° 425-675nm
The 49-283-INK is a high-quality achromatic doublet lens, sourced from Edmund Optics, with a diameter of 40 mm and a focal length of 500 mm. This lens is specifically designed for the visible light spectrum, covering wavelengths from 425 to 675 nm.
The lens is composed of two elements, made from N-BK7 and N-SF5 Schott glass, which are renowned for their excellent optical properties. The first element has a radius of curvature of 305.31 mm, while the second element has a radius of curvature of -224.08 mm. The center thickness of the lens is 6 mm, with the edge thickness being 9.04 mm.
The lens features a standard anti-reflection coating on both the front and back surfaces, specifically the EDM VIS-0 STD curve. This coating is designed to reduce surface reflections and increase transmission, thereby enhancing the overall performance of the lens.
The 49-283-INK is a multiplet lens, meaning it is composed of multiple elements. This design provides superior imaging performance, reducing optical aberrations such as chromatic and spherical aberrations.
The lens is currently in stock and available for immediate shipping. For more information, including detailed specifications and pricing, please refer to the provided weblink.
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