34-189 12mm Dia. x 24mm FL; VIS-EXT Coated; Double-Convex Lens VIS-EXT 350-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 12 mm
- EFL
- 24 mm
- BFL
- 22.65 mm
- R1
- 24.11 mm
- R2
- -24.11 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
34-189 12mm Dia. x 24mm FL; VIS-EXT Coated; Double-Convex Lens VIS-EXT 350-700nm
The 34-189 is a double-convex lens, characterized by its circular base shape and spherical geometry. This lens, sourced from Edmund Optics, boasts a diameter of 12mm and a focal length of 24mm, making it a versatile choice for various optical applications. The lens's edge thickness measures 2.48mm, while the center thickness is 4mm, contributing to its robust construction.
The lens's effective focal length (EFL) is 24mm, and it features inner and outer radii of 0mm each. The first radius of curvature (R1) is 24.108mm, and the second radius of curvature (R2) is -24.108mm, indicating its double-convex nature. The back focal length (BFL) is 22.65mm.
The lens is made from n-BK7 Schott, a high-quality optical glass known for its excellent transparency and low dispersion. This material makes the lens suitable for use in a wide range of wavelengths, specifically 587.6nm.
The 34-189 lens is coated with EDM VIS-EXT on both the front and back surfaces. This coating enhances its transmission capabilities within the visible spectrum, specifically between 350-700nm. The lens's coating ensures high-quality performance and durability, making it an ideal choice for various optical systems.