49-589 25mm Dia. UVFS Aspheric Lens; EFL=25mm; NA=0.5 VIS 425-675nm
- Type
- Lens
- Subtype
- Aspheric Lens
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- 25 mm
- BFL
- 18.32 mm
- R1
- 11.46 mm
- R2
Material
- Name
- HPFS7980
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4584656081538023
- λ
- 587.6 nm
- B1
- 0.683740494
- C1
- 0.00460352869 μm2
- B2
- 0.420323613
- C2
- 0.0133968856 μm2
- B3
- 0.58502748
- C3
- 64.4932732 μm2
49-589 25mm Dia. UVFS Aspheric Lens; EFL=25mm; NA=0.5 VIS 425-675nm
This is the 49-589 model from Edmund Optics, a 25mm Dia. UVFS Aspheric Lens with an effective focal length (EFL) of 25mm and a numerical aperture (NA) of 0.5. The lens is designed for use within the visible light spectrum, specifically between 425-675nm.
The lens is made from HPFS7980 Corning, a high-performance fused silica that offers excellent transmission and resistance to thermal shock. The aspheric design of the lens helps to reduce spherical aberration, improving the overall image quality.
The lens has a diameter of 25mm and a thickness of 1.75mm at the edge, with a center thickness of 9.75mm. The front and back surfaces of the lens are coated with Edmund Optics' VIS coating, which is designed for use within the 425-675nm spectrum.
The lens has an inner radius of 0mm and an outer radius of 0mm, with a back focal length (BFL) of 18.32mm. The lens's k1 value is -1.661222, and it has a conic constant of 0.
This lens is a great choice for applications that require high image quality and a wide field of view. It's suitable for use in a variety of industries, including machine vision, scientific research, and defense.
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