Perfect Dia:12.7 mm N-BK7 Bi-Concave Lens; EFL=-50.0 mm Perfect Transmission
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- 3DOptix
Properties
- Shape
- Circular
- Diameter
- 12.7 mm
- EFL
- -50 mm
- BFL
- -51 mm
- R1
- -52.1 mm
- R2
- 52.1 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5167817367777034
- λ
- 588 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
Perfect Dia:12.7 mm N-BK7 Bi-Concave Lens; EFL=-50.0 mm Perfect Transmission
This is a Perfect Dia:12.7 mm N-BK7 Bi-Concave Lens, a high-quality optical component sourced from the reputable vendor, 3DOptix. The lens is designed with a Spherical geometry, featuring a Base Shape of Circular and a Sub Type of Spherical Lens (Concave-Concave).
The lens has a diameter of 12.7 mm and a thickness that varies from 3.5 mm at the edge to 4.3 mm at the center. The Effective Focal Length (EFL) is -50.0 mm, indicating that it is a diverging lens. The first radius of curvature (r1) is -52.1 mm, and the second radius (r2) is 52.1 mm, demonstrating the bi-concave nature of the lens. The Back Focal Length (BFL) is -51 mm.
The lens is made of N-BK7 Schott, a popular optical glass known for its excellent optical properties. It is designed to operate at a wavelength of 588 nm. The lens features a 3DO per transmission coating on both the front and back surfaces, ensuring perfect transmission and minimal reflection.
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