49-384-INK 40 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=250mm VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 40 mm
- EFL
- 250 mm
- R1
- 156 mm
- R2
- -108.7 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
49-384-INK 40 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=250mm VIS-NIR 400-1000nm
The 49-384-INK is a high-quality achromatic doublet lens, sourced from the renowned optical vendor, Edmund Optics. This lens, with a diameter of 40 mm, is designed for use in the visible to near-infrared spectrum, specifically catering to the wavelength range of 400-1000nm.
The lens is a multiplet, composed of two distinct materials: N-BK7 and N-SF5, both from Schott. This combination is strategically chosen to minimize chromatic aberration, a common issue in lens systems. The lens boasts an effective focal length (EFL) of 250mm, making it suitable for various optical applications.
The geometry of the lens is meticulously designed, with a thickness at the edge of 10.57mm and a center thickness of 8mm. The lens features a front and back coating of EDm VIS-NIR 0SP200-2000, enhancing its overall performance and durability.
The lens is currently in stock and can be purchased directly from the Edmund Optics website, with the provided weblink serving as a direct path to the product page. This lens, with its superior design and materials, is an excellent choice for those seeking a reliable and high-performing optical component.
