33-922 75 mm Dia. N-BAF10/N-SF57 Achromatic Doublet; EFL=150mm VIS 0° 425-675nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 75 mm
- EFL
- 150 mm
- R1
- 92.05 mm
- R2
- -72.85 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-SF57
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.854148364121864
- λ
- 550 nm
- B1
- 1.87543831
- C1
- 0.0141749518 μm2
- B2
- 0.37375749
- C2
- 0.0640509927 μm2
- B3
- 2.30001797
- C3
- 177.389795 μm2
33-922 75 mm Dia. N-BAF10/N-SF57 Achromatic Doublet; EFL=150mm VIS 0° 425-675nm
The 33-922 is a high-quality achromatic doublet lens, boasting a 75 mm diameter and an effective focal length of 150 mm, specifically designed for the visible light spectrum ranging from 425 to 675 nm. This lens is sourced from the reputable optical vendor, Edmund Optics, and is available for purchase through their official website.
The lens is constructed from two types of Schott glass, N-BAF10 and N-SF57, 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, providing improved light transmission and protection against environmental factors.
The lens geometry is carefully designed with a 92.05 mm radius for the first surface, a -72.85 mm radius for the second surface, and a -305.87 mm radius for the third surface. The edge thickness is 36.01 mm, while the center thickness is 23.2 mm. The lens is shaped as a multiplet, ensuring optimal performance and minimal aberrations.
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