SLB-50B-170PIR2 50.0 mm Dia. x 171.1 mm FL; Coated; Double-Convex Lens 750-1550nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 50 mm
- EFL
- 171.1 mm
- BFL
- 168.9 mm
- R1
- 176.46 mm
- R2
- -176.46 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-50B-170PIR2 50.0 mm Dia. x 171.1 mm FL; Coated; Double-Convex Lens 750-1550nm
The SLB-50B-170PIR2 is a high-quality lens from OptoSigma, designed for use in the 750-1550nm wavelength range. This lens is a Spherical Lens (Convex-Convex) type, featuring a base shape of Circular for versatile application.
The lens has a diameter of 50.0 mm and a thickness edge of 3.0 mm, ensuring durability and stability. The thickness center measures 6.6 mm, providing a robust structure for various optical setups. The effective focal length (EFL) of this lens is 171.1 mm, making it suitable for medium to long-range optical systems.
The lens's first radius of curvature (R1) is 176.46 mm, while the second radius (R2) is -176.46 mm, indicating a double-convex design. The back focal length (BFL) is 168.9 mm, which is crucial for determining the position of the lens in an optical system. The inner and outer radii are 0 mm, suggesting a simple and efficient design.
The lens is made of n-bk7 schott material, a popular choice for its excellent optical properties and durability. The coating on both the front and back is opt ir2, which is optimized for the 750-1550nm wavelength range, ensuring high transmission and minimal loss.