89-289 50mm Dia. x 50mm FL; YAG-BBAR Coated; Double-Convex Lens YAG-BBAR 500-1100nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 50 mm
- EFL
- 50 mm
- BFL
- 45.3 mm
- R1
- 74.78 mm
- R2
- -74.78 mm
Material
- Name
- N-SF11
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.7847141030246312
- λ
- 587.6 nm
- B1
- 1.73759695
- C1
- 0.013188707 μm2
- B2
- 0.313747346
- C2
- 0.0623068142 μm2
- B3
- 1.89878101
- C3
- 155.23629 μm2
89-289 50mm Dia. x 50mm FL; YAG-BBAR Coated; Double-Convex Lens YAG-BBAR 500-1100nm
The 89-289 is a high-quality double-convex lens, boasting a diameter of 50mm and a focal length of 50mm. This lens is sourced from the reputable vendor, Edmund Optics, and is currently in stock, ready for immediate use.
The lens is constructed from n-sf11 Schott, a material known for its excellent optical properties. It features a YAG-BBAR coating on both the front and back surfaces, which enhances its performance within the wavelength range of 500-1100nm. This coating is specifically designed to reduce reflection and increase transmission, making it ideal for a wide range of applications.
The geometry of the lens is meticulously designed, with an edge thickness of 7.39mm and a center thickness of 16mm. The lens's effective focal length (EFL) is 50mm, and it has a back focal length (BFL) of 45.3mm. The first and second radii of curvature are 74.78mm and -74.78mm, respectively.