48-683 12mm Dia. x -24mm FL; Uncoated; Double-Concave Lens
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 12 mm
- EFL
- -24 mm
- BFL
- -24.65 mm
- R1
- -25.14 mm
- R2
- 25.14 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
48-683 12mm Dia. x -24mm FL; Uncoated; Double-Concave Lens
The 48-683 is a spherical lens with a base shape of a circle, sourced from the reputable vendor, Edmund Optics. This lens falls under the category of a concave-concave or double-concave lens, which means it has two concave surfaces. The lens has a diameter of 12mm and a focal length of -24mm, making it a negative or diverging lens.
The lens's geometry includes a thickness edge of 3.31mm and a thickness center of 2mm. The back focal length (BFL) is -24.65mm, and the radii of curvature for the first and second surfaces are -25.14mm and 25.14mm, respectively. The lens does not have any coating, as indicated in the item data.
The lens is made of N-BK7 Schott, a popular optical glass known for its excellent optical properties, including high transparency and low dispersion. The lens is designed to operate at a wavelength of 587.6nm.
This lens is ideal for applications that require a diverging lens, such as in camera objectives, beam expanders, or other optical systems where light needs to be spread out. Please note that the lack of coating may affect the lens's performance in certain applications, particularly those requiring high light transmission or resistance to environmental factors. Always ensure to consider the specific requirements of your application when selecting optical components.
