49-391-INK 50 mm Dia. N-BAK4/N-SF10 Achromatic Doublet; EFL=150mm VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 50 mm
- EFL
- 150 mm
- R1
- 96.85 mm
- R2
- -73.74 mm
Material 1
- Name
- N-BAK4
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5709961571059783
- λ
- 550 nm
- B1
- 1.28834642
- C1
- 0.00779980626 μm2
- B2
- 0.132817724
- C2
- 0.0315631177 μm2
- B3
- 0.945395373
- C3
- 105.965875 μm2
Material 2
- Name
- N-SF10
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.7336618876174243
- λ
- 550 nm
- B1
- 1.62153902
- C1
- 0.0122241457 μm2
- B2
- 0.256287842
- C2
- 0.0595736775 μm2
- B3
- 1.64447552
- C3
- 147.468793 μm2
49-391-INK 50 mm Dia. N-BAK4/N-SF10 Achromatic Doublet; EFL=150mm VIS-NIR 400-1000nm
The 49-391-INK is a high-quality achromatic doublet lens, sourced from the renowned optical vendor, Edmund Optics. This lens, with a diameter of 50 mm, is designed for use in the visible (VIS) and near-infrared (NIR) spectrum, specifically catering to the wavelength range of 400-1000nm.
The lens features a focal length (EFL) of 150mm, making it suitable for a variety of optical applications that require a longer focal length. The lens is constructed from two types of glass, N-BAK4 and N-SF10, both from Schott, ensuring high-quality optical performance.
The lens is coated with EDMM VISNIR0SP2002000 on both the front and back surfaces, enhancing its transmission capabilities in the VIS-NIR spectrum. The lens has a center thickness of 9.5mm, with an edge thickness of 8.92mm, providing robustness and durability.
The 49-391-INK is currently in stock and available for immediate purchase from the Edmund Optics website, as indicated by its weblink status. This lens is a multiplet, meaning it is composed of multiple optical elements, making it an ideal choice for applications that require high-quality imaging or light manipulation.
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