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67-276 50mm Dia. UVFS Aspheric Lens; EFL=40mm; NA=0.63 VIS 425-675nm

67-276 50mm Dia. UVFS Aspheric Lens; EFL=40mm; NA=0.63 VIS 425-675nm

Type
Lens
Subtype
Aspheric Lens
Brand
Edmund Optics
Product webpage
Edmund Optics products in the 3DOptix catalog

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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