47-912 25mm Dia. x -50 FL; VIS 0deg Coated; Plano-Concave Lens 425-675nm
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Concave)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- -50 mm
- BFL
- -52.31 mm
- R1
- -25.84 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
47-912 25mm Dia. x -50 FL; VIS 0deg Coated; Plano-Concave Lens 425-675nm
The 47-912 is a Plano-Concave Spherical Lens with a 25mm diameter, offered by Edmund Optics. This lens is designed for use within the visible light spectrum, specifically between 425-675nm. The lens features a front and back coating of edm vis-0 std curve, providing enhanced performance and durability.
The lens has a base shape of Circular, with a center thickness of 3.5mm and an edge thickness of 6.33mm. The effective focal length (EFL) is -50mm, and the back focal length (BFL) is -52.31mm. The inner radius of the lens is 0mm, and the outer radius is also 0mm.
This lens is made from n-bk7 schott material, a popular choice for its high refractive index and low dispersion. The lens is designed to be used at a wavelength of 587.6nm. The item data provided does not specify whether the lens is AR coated, so it is assumed to be uncoated unless otherwise stated.
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