67-276 50mm Dia. UVFS Aspheric Lens; EFL=40mm; NA=0.63 VIS 425-675nm
- Type
- Lens
- Subtype
- Aspheric Lens
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 50 mm
- EFL
- 40 mm
- BFL
- 21.15 mm
- R1
- 18.34 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
67-276 50mm Dia. UVFS Aspheric Lens; EFL=40mm; NA=0.63 VIS 425-675nm
This is a high-quality aspheric lens from Edmund Optics, catalog number 67-276. It is designed for use in the visible light spectrum, specifically between 425 and 675nm. The lens is made from UV fused silica, a material known for its excellent transmission properties and durability.
The lens has a diameter of 50mm and a numerical aperture (NA) of 0.63, indicating a wide acceptance angle and high light-gathering capability. The effective focal length (EFL) is 40mm, making it suitable for a variety of imaging and illumination applications.
The lens features a unique aspheric design, which helps to reduce spherical aberration and improve optical performance. The geometry of the lens includes a center thickness of 27.5mm and an edge thickness of 4.07mm, providing excellent structural integrity.
The lens is coated with a broadband anti-reflection coating, optimized for the visible spectrum (425-675nm). This coating reduces surface reflections, improving transmission and enhancing overall system performance.
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