47-707 18 mm Dia. N-BAF10/N-SF10 Achromatic Doublet; EFL=40mm VIS 0° 425-675nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 18 mm
- EFL
- 40 mm
- R1
- 26.97 mm
- R2
- -17.64 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
47-707 18 mm Dia. N-BAF10/N-SF10 Achromatic Doublet; EFL=40mm VIS 0° 425-675nm
The 47-707 is a high-quality achromatic doublet lens, boasting an 18 mm diameter and an effective focal length of 40mm, specifically designed for the visible light spectrum ranging from 425 to 675nm. This lens is sourced from the renowned optical vendor, Edmund Optics, and is available for purchase on their official website.
The lens is constructed from two types of Schott glass, N-BAF10 and N-SF10, which are renowned for their excellent optical properties. The front and back surfaces of the lens are coated with the EDM VIS-0 standard curve coating, enhancing its light transmission capabilities and providing protection against environmental factors.
The lens geometry is intricately designed, with a center thickness of 5.98mm and edge thickness of 5.84mm. The first and second radii of the lens are 26.97mm and -17.64mm respectively, while the third radius is -205.03mm. The lens is shaped as a multiplet, ensuring optimal light refraction and minimizing chromatic aberration.
