BICV505 50 mm Dia. x -400 mm FL; Uncoated; Double-Concave Lens
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- WTS Photonics
Properties
- Shape
- Circular
- Diameter
- 50 mm
- EFL
- -400 mm
- BFL
- 398.5 mm
- R1
- -413.87 mm
- R2
- 413.87 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.518720636186463
- λ
- 546.1 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
BICV505 50 mm Dia. x -400 mm FL; Uncoated; Double-Concave Lens
The BICV505 is a high-precision double-concave lens, 50 mm in diameter and featuring a focal length of -400 mm. This lens is sourced from WTS Photonics, a reputable vendor known for their quality optical elements. The lens is uncoated, offering a clear, unaltered view of the light passing through it.
The lens is designed with a base shape of a circle and has a spherical geometry. The thickness at the edge of the lens is 4.5 mm, while the thickness at the center is 3 mm. The effective focal length (EFL) is -400 mm, and the back focal length (BFL) is 398.5 mm. The radii of curvature for the first and second surfaces are -413.87 mm and 413.87 mm, respectively.
This lens is made from n-BK7 Schott, a high-quality optical glass known for its excellent transparency and low auto-fluorescence. The lens is designed to operate at a wavelength of 546.1 nm. The inner and outer radii are both 0, indicating a symmetrical design.
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