33-419 40mm Dia. x 80mm FL Uncoated; Double-Convex Lens
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 40 mm
- EFL
- 80 mm
- BFL
- 77.32 mm
- R1
- 81.3 mm
- R2
- -81.3 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5167984379050088
- λ
- 587.6 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
33-419 40mm Dia. x 80mm FL Uncoated; Double-Convex Lens
The 33-419 is a 40mm diameter, 80mm focal length uncoated double-convex lens, available from Edmund Optics. This lens is a spherical lens with a convex-convex base shape and a circular geometry, making it suitable for a wide range of optical applications.
The lens has a diameter of 40mm, with a thickness of 3mm at the edge and 8mm at the center. The effective focal length (EFL) is 80mm, and the radii of curvature are 81.3mm for the first surface and -81.3mm for the second surface. The back focal length (BFL) is 77.32mm. The lens does not have any inner or outer radius, indicating a uniform thickness across the lens.
The lens is made of n-BK7 Schott, a high-quality optical glass known for its excellent transparency and low auto-fluorescence. The lens is uncoated, which means it does not have any anti-reflective coating. This can lead to higher reflective losses, but it also means that the lens is less susceptible to damage from environmental factors.
The lens is designed to work with a wavelength of 587.6nm. It is important to note that the performance of the lens can vary depending on the wavelength and the angle of incidence. Therefore, it is crucial to consider these factors when designing an optical system that uses this lens.