49-948 6.25 mm Dia. N-BAF10/N-SF57 Achromatic Doublet; EFL=7.5mm VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 6.25 mm
- EFL
- 7.5 mm
- R1
- 5.6 mm
- R2
- -3.71 mm
Material 1
- Name
- N-BAF10
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6730569473646495
- λ
- 550 nm
- B1
- 1.5851495
- C1
- 0.00926681282 μm2
- B2
- 0.143559385
- C2
- 0.0424489805 μm2
- B3
- 1.08521269
- C3
- 105.613573 μm2
Material 2
- Name
- N-SF57
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.854148364121864
- λ
- 550 nm
- B1
- 1.87543831
- C1
- 0.0141749518 μm2
- B2
- 0.37375749
- C2
- 0.0640509927 μm2
- B3
- 2.30001797
- C3
- 177.389795 μm2
49-948 6.25 mm Dia. N-BAF10/N-SF57 Achromatic Doublet; EFL=7.5mm VIS-NIR 400-1000nm
The 49-948 is a high-quality achromatic doublet lens, boasting a 6.25 mm diameter and a focal length of 7.5 mm, specifically designed for the visual and near-infrared spectrum (VIS-NIR 400-1000nm). This lens is sourced from the renowned optical vendor, Edmund Optics, and is available for purchase on their official website.
The lens is constructed from two types of Schott glass, N-BAF10 and N-SF57, which are carefully selected to minimize chromatic aberration, a common issue in optical systems. The geometry of the lens is meticulously designed, with an inner radius of 0 mm, an outer radius of 0 mm, and a center thickness of 5 mm. The edge thickness is 4.61 mm, and the lens features a front and back coating of EDMM VISNIR0SP2002000, ensuring optimal performance and durability.
The 49-948 is a multiplet lens, meaning it is composed of multiple elements. This design allows for superior optical performance, making it suitable for a wide range of applications. The lens is available in stock, ready for immediate use in your optical system.
For more detailed specifications and purchasing information, please refer to the official Edmund Optics website using the provided weblink.
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