49-353 25 mm Dia. S-BAH11/N-SF10 Achromatic Doublet; EFL=35mm VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- 35 mm
- R1
- 24.47 mm
- R2
- -16.49 mm
Material 1
- Name
- S-BAH11
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6696557498333158
- λ
- 550 nm
- B1
- 1.5713886
- C1
- 0.00910807936 μm2
- B2
- 0.147869313
- C2
- 0.0402401684 μm2
- B3
- 1.28092846
- C3
- 130.399367 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
49-353 25 mm Dia. S-BAH11/N-SF10 Achromatic Doublet; EFL=35mm VIS-NIR 400-1000nm
The 49-353 is a high-quality achromatic doublet lens, designed and manufactured by Edmund Optics. This lens, with a 25 mm diameter, is specifically engineered for use in the visible (VIS) and near-infrared (NIR) spectrum, spanning 400-1000nm.
The lens features a focal length (EFL) of 35mm, making it suitable for a wide range of optical applications. The achromatic design ensures that the lens effectively compensates for chromatic aberration, a common issue in optical systems where different wavelengths of light are focused at different points.
The lens is composed of two elements: S-BAH11 from Ohara and N-SF10 from Schott. These materials are chosen for their excellent optical properties and are often used in high-performance optical systems. The lens is coated with EDm VIS-NIR 0SP2002000, a proprietary coating from Edmund Optics that enhances the lens's performance in the VIS-NIR spectrum.
The lens geometry includes a thickness of 9.47mm at the edge, a center thickness of 11mm, and a center thickness 'a' of 2.5mm. The lens's inner and outer radii are 0, indicating a flat surface. The radii of curvature for the first and second surfaces are 24.47mm and -16.49mm, respectively, and the third surface has a radius of -131.65mm.
