49-339 18 mm Dia. N-BAF10/N-SF10 Achromatic Doublet; EFL=27mm VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 18 mm
- EFL
- 27 mm
- R1
- 18.7 mm
- R2
- -13.11 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-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
49-339 18 mm Dia. N-BAF10/N-SF10 Achromatic Doublet; EFL=27mm VIS-NIR 400-1000nm
The 49-339 is a high-quality achromatic doublet lens, sourced from the renowned optical vendor, Edmund Optics. This lens, with a diameter of 18 mm, is designed for use in the visible to near-infrared spectrum, spanning 400-1000nm. The lens boasts an effective focal length (EFL) of 27mm, making it suitable for a wide range of optical applications.
The lens is composed of two elements: N-BAF10 and N-SF10, both from Schott. These materials are known for their excellent optical properties, contributing to the lens' high performance. The lens features a sophisticated geometry, with radii of curvature of r1=18.7mm and r2=-13.11mm for the first element, and r3=-119.12mm for the second element. The edge thickness of the lens is 6.62mm, while the center thickness is 7.67mm, and the center thickness 'a' is 1.6mm.
The lens is coated with Edmund Optics' VIS-NIR coating (edm visnir0sp2002000) on both the front and back surfaces. This coating is designed to optimize the lens' performance in the visible to near-infrared spectrum, enhancing its transmission and reducing unwanted reflections.
The 49-339 is currently in stock and available for immediate purchase from the Edmund Optics website. Its detailed specifications and high-performance characteristics make it an excellent choice for a wide range of optical applications.
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