SLB-50.8-200NM 50.8 mm Dia. x -200.0 mm FL; Coated; Plano-Concave Lens 400-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Concave)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 50.8 mm
- EFL
- -200 mm
- BFL
- -202 mm
- R1
- -103.8 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
SLB-50.8-200NM 50.8 mm Dia. x -200.0 mm FL; Coated; Plano-Concave Lens 400-700nm
This is a Plano-Concave Spherical Lens, sourced from the reputable vendor OptoSigma. The lens has a diameter of 50.8 mm and a focal length of -200 mm, making it a negatively powered lens. The lens is made from the high-quality material n-BK7 Schott, which is known for its excellent optical properties.
The lens has a center thickness of 3 mm and an edge thickness of 6.2 mm, providing a robust structure. The lens's design includes an inner radius of 0 mm and an outer radius of 0 mm, indicating a simple, straightforward design. The lens's shape is spherical, which is a common choice for many optical applications due to its ease of manufacturing and use.
The lens is coated with an Opt M coating on both the front and back surfaces. This coating enhances the lens's performance in the wavelength range of 400-700 nm, making it suitable for a wide range of applications. The lens's effective focal length (EFL) is -202 mm, which is very close to its nominal focal length, indicating a high-quality manufacturing process.
The lens is currently in stock and available for immediate purchase. For more information, please refer to the vendor's website, which is provided in the item data.