49-951 9 mm Dia. N-SSK8/N-SF56 Achromatic Doublet; EFL=22.5mm VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 9 mm
- EFL
- 22.5 mm
- R1
- 14.79 mm
- R2
- -12.09 mm
Material 1
- Name
- N-SSK8
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6203679865890697
- λ
- 550 nm
- B1
- 1.44857867
- C1
- 0.00869310149 μm2
- B2
- 0.117965926
- C2
- 0.0421566593 μm2
- B3
- 1.06937528
- C3
- 111.300666 μm2
Material 2
- Name
- N-SF56
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.791037231451858
- λ
- 550 nm
- B1
- 1.73562085
- C1
- 0.0129624742 μm2
- B2
- 0.317487012
- C2
- 0.0612884288 μm2
- B3
- 1.95398203
- C3
- 161.559441 μm2
49-951 9 mm Dia. N-SSK8/N-SF56 Achromatic Doublet; EFL=22.5mm VIS-NIR 400-1000nm
The 49-951 is a high-quality achromatic doublet lens, sourced from the renowned optical vendor, Edmund Optics. This lens is specifically designed for use within the visible to near-infrared spectrum, spanning from 400 to 1000nm. The lens boasts a 9mm diameter and an effective focal length (EFL) of 22.5mm, making it suitable for a wide range of optical applications.
The lens is composed of two elements, made from N-SSK8 and N-SF56 Schott glass, which are renowned for their excellent optical properties. The front and back surfaces of the lens are coated with the EDM VIS-NIR 0SP2002000 coating, enhancing its performance within the specified wavelength range.
The lens geometry is intricately designed, with a center thickness of 3mm and edge thickness of 3.58mm. The lens curvature includes radii of 14.79mm and -12.09mm for the first and second surfaces, respectively, and a -45.72mm radius for the third surface. The lens is circular in shape, contributing to its versatility in various optical systems.
