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89-439 25mm Dia. N-BK7 Hyperbolic Aspheric Lens; EFL=25mm; NA=0.5 Laser V-Coat 1064nm

89-439 25mm Dia. N-BK7 Hyperbolic Aspheric Lens; EFL=25mm; NA=0.5 Laser V-Coat 1064nm

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

Properties

Shape
Circular
Diameter
25 mm
EFL
25 mm
BFL
25 mm
R1
12.67 mm
R2

Material

Name
N-BK7
Dispersion Equation
Sellmeier
n (λ)
1.506634801642448
λ
1064 nm
B1
1.03961212
C1
0.00600069867 μm2
B2
0.231792344
C2
0.0200179144 μm2
B3
1.01046945
C3
103.560653 μm2

89-439 25mm Dia. N-BK7 Hyperbolic Aspheric Lens; EFL=25mm; NA=0.5 Laser V-Coat 1064nm

This is a high-quality aspheric lens from Edmund Optics, catalog number 89-439. It is designed for use with a wavelength of 1064nm and features a laser V-coat for optimal performance. The lens has a diameter of 25mm and a focal length of 25mm, making it a versatile choice for a variety of applications.

The lens is made from N-BK7 Schott glass, a popular material due to its excellent optical properties and wide transmission range. The aspheric design of the lens helps to reduce spherical aberration, improving the quality of the image. The lens has a numerical aperture (NA) of 0.5, which determines the light-gathering ability of the lens and its angular field of view.

The lens features a best form aspheric surface, which is the most common type of aspheric surface and provides excellent optical performance. The lens has a thickness of 1.67mm at the edge and 6.61mm at the center. The front and back surfaces of the lens are coated with Edmund Optics' laser V-coat, which is designed for use with 1064nm lasers and provides excellent durability and resistance to environmental factors.

This lens is a great choice for anyone looking for a high-quality, versatile aspheric lens for use with a 1064nm laser. It is in stock and available for purchase on the Edmund Optics website.

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