45-295 20mm Dia. x 30mm FL; MgF2 Coated; Double-Convex Lens MgF2 400-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 20 mm
- EFL
- 30 mm
- BFL
- 28.2 mm
- R1
- 30.08 mm
- R2
- -30.08 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5167984379050088
- λ
- 587.6 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
45-295 20mm Dia. x 30mm FL; MgF2 Coated; Double-Convex Lens MgF2 400-700nm
The 45-295 is a high-quality double-convex lens, boasting a 20mm diameter and a 30mm focal length. This lens is sourced from the reputable optical vendor, Edmund Optics, and is currently in stock, as indicated by its weblink status.
The lens is made from the high-grade material, n-bk7 schott, which is known for its excellent optical properties. The geometry of the lens is meticulously designed, with an edge thickness of 1.88mm and a center thickness of 5.3mm. The effective focal length (EFL) is 30mm, and the radii of curvature are R1 = 30.08mm and R2 = -30.08mm, demonstrating the double-convex nature of the lens. The back focal length (BFL) is 28.2mm.
The lens features a standard MgF2 coating on both the front and back surfaces, which is indicated by the coating parameter. This coating enhances the lens's performance in the wavelength range of 400-700nm, making it suitable for a wide range of applications.
