14BCV500-1-1 25.4 mm Dia. x -500 mm FL; Uncoated; Double-Concave Lens
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- Standa
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- 500 mm
- R1
- -519.25 mm
- R2
- 519.25 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5187257728940171
- λ
- 546 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
14BCV500-1-1 25.4 mm Dia. x -500 mm FL; Uncoated; Double-Concave Lens
This is a high-quality double-concave lens, type 14BCV500-1-1, manufactured by Standa. The lens boasts a diameter of 25.4 mm and a focal length of -500 mm, making it suitable for a wide range of optical applications. The lens is uncoated, offering a cost-effective solution for users who do not require additional coating for their specific application.
The lens is made of n-BK7 Schott, a popular optical glass due to its excellent optical properties and high Abbe number. This material ensures high transparency and low dispersion, making it ideal for applications that require high image quality and precision.
The geometry of the lens is spherical, with a center thickness of 3.2 mm and an edge thickness of 3.5 mm. The inner and outer radii are 0, indicating a symmetrical double-concave design. The effective focal length (EFL) is 500 mm, which is the distance from the lens to the point where the light rays converge or diverge.
The lens is designed for use at a wavelength of 546 nm, but it can be used with other wavelengths depending on the specific application. It is important to note that the lens is uncoated, which means it may not perform optimally in high-intensity light applications or where scratch resistance is a concern.
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