45-140 30 mm Dia. N-SSK8/N-SF10 Achromatic Doublet; EFL=60mm MgF2 400-700nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 30 mm
- EFL
- 60 mm
- R1
- 32.6 mm
- R2
- -31.81 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-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
45-140 30 mm Dia. N-SSK8/N-SF10 Achromatic Doublet; EFL=60mm MgF2 400-700nm
The 45-140 is a high-quality achromatic doublet lens, boasting a 30 mm diameter and a focal length of 60 mm. This lens is sourced from the renowned optical vendor, Edmund Optics, and is available for purchase on their official website. The product link provided is currently valid and indicates that the lens is in stock.
The lens is constructed from two types of Schott glass, N-SSK8 and N-SF10, which are renowned for their optical properties. The lens features a complex geometry, with a central thickness of 8.47 mm, an edge thickness of 7.66 mm, and a range of radii (r1: 32.6 mm, r2: -31.81 mm, r3: -799.64 mm) that contribute to its unique optical performance.
The lens is coated with Edmund Optics' standard MgF2 coating on both the front and back surfaces. This coating is designed to provide high transmission in the 400-700 nm range, making it suitable for a wide range of optical applications.
The lens is classified as a multiplet, indicating that it is composed of multiple elements. This design allows for the correction of chromatic aberrations, making the lens a suitable choice for achromatic applications.
