SLB-25.4B-70PM 25.4 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
- 25.4 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-25.4B-70PM 25.4 mm Dia. x 70.7 mm FL; Coated; Double-Convex Lens 400-700nm
This is a high-quality double-convex lens from OptoSigma, designed for use in the 400-700nm wavelength range. The lens, identified as SLB-25.4B-70PM, has a diameter of 25.4mm and a focal length of 70.7mm, making it suitable for a wide range of optical applications.
The lens is made from n-bk7 schott, a popular material known for its excellent optical properties. The base shape of the lens is circular, and it features a spherical geometry with a center thickness of 4.1mm and an edge thickness of 1.9mm. The lens has a back focal length of 69.3mm and an effective focal length of 70.7mm.
The SLB-25.4B-70PM lens comes with a coating on both the front and back surfaces. This coating, identified as opt m, enhances the lens's performance by reducing reflection and increasing transmission in the specified wavelength range.
The lens is currently in stock and can be purchased directly from the OptoSigma website using the provided weblink. With its high-quality construction, broad wavelength compatibility, and reliable performance, this lens is an excellent choice for any optical system that requires a double-convex lens in the 400-700nm range.
