SLB-25B-70PM 25.0 mm Dia. x 70.7 mm FL; Coated; Double-Convex Lens 400-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- OptoSigma
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- 70.7 mm
- BFL
- 69.3 mm
- R1
- 72.66 mm
- R2
- -72.66 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-25B-70PM 25.0 mm Dia. x 70.7 mm FL; Coated; Double-Convex Lens 400-700nm
The SLB-25B-70PM is a high-quality lens from OptoSigma, designed for use in the 400-700nm wavelength range. This lens is a Spherical type, specifically a Spherical Lens (Convex-Convex), with a base shape of Circular.
The lens has a diameter of 25.0 mm and a thickness at the edge of 2.0 mm, while the thickness at the center is 4.2 mm. The Effective Focal Length (EFL) of the lens is 70.7 mm, making it suitable for a variety of optical applications. The first radius of curvature (R1) is 72.66 mm, and the second radius of curvature (R2) is -72.66 mm. The Back Focal Length (BFL) is 69.3 mm.
The lens is made from n-bk7 schott, a popular material in the optical industry due to its excellent optical properties. The lens is coated with opt m on both the front and back, which enhances its performance in the specified wavelength range.
This lens is currently in stock and can be purchased directly from the OptoSigma website using the provided weblink.