45-180 50 mm Dia. N-BAK4/N-SF10 Achromatic Doublet; EFL=250mm MgF2 400-700nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 50 mm
- EFL
- 250 mm
- R1
- 162.59 mm
- R2
- -123.82 mm
Material 1
- Name
- N-BAK4
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5709961571059783
- λ
- 550 nm
- B1
- 1.28834642
- C1
- 0.00779980626 μm2
- B2
- 0.132817724
- C2
- 0.0315631177 μm2
- B3
- 0.945395373
- C3
- 105.965875 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
45-180 50 mm Dia. N-BAK4/N-SF10 Achromatic Doublet; EFL=250mm MgF2 400-700nm
The 45-180 is a high-quality achromatic doublet lens, boasting a 50 mm diameter and an effective focal length of 250mm. This lens is meticulously crafted from N-BAK4 and N-SF10 Schott glass, renowned for their exceptional optical properties. The lens is designed to correct chromatic aberrations, ensuring sharp and clear images across the entire visible spectrum (400-700nm).
The lens features a sophisticated geometry, with a central thickness of 9.75mm, edge thickness of 10.54mm, and a range of radii (r1: 162.59mm, r2: -123.82mm, r3: -402.58mm) that contribute to its superior optical performance. The lens is coated with EDM MgF2 standard curve coatings on both the front and back surfaces, enhancing its light transmission capabilities and durability.
This lens is sourced from Edmund Optics, a trusted vendor known for their rigorous quality control and extensive catalog of optical elements. The lens is currently in stock, and its catalog number is 45-180. For more information, including pricing and availability, please refer to the provided weblink.
