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LM11-25-100 25.4 mm Dia. N-BK7 Negative Meniscus Lens; EFL=-100mm Uncoated

LM11-25-100 25.4 mm Dia. N-BK7 Negative Meniscus Lens; EFL=-100mm Uncoated

Type
Lens
Subtype
Spherical Lens (Concave-Convex)
Brand
CeNing Optics
Product webpage
CeNing Optics products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
25.4 mm
EFL
-100 mm
BFL
-99.2 mm
R1
90 mm
R2
32.59 mm

Material

Name
N-BK7
Dispersion Equation
Sellmeier
n (λ)
1.518720636186463
λ
546.1 nm
B1
1.03961212
C1
0.00600069867 μm2
B2
0.231792344
C2
0.0200179144 μm2
B3
1.01046945
C3
103.560653 μm2

LM11-25-100 25.4 mm Dia. N-BK7 Negative Meniscus Lens; EFL=-100mm Uncoated

The LM11-25-100 is a spherical lens with a base shape of a circle, sourced from CeNing Optics. This lens is a negative meniscus type, characterized by its concave-convex geometry. The lens has a diameter of 25.4 mm and a thickness at the edge of 4.5 mm, while the center thickness measures 3 mm.

The effective focal length (EFL) of this lens is -100 mm, indicating that it is a diverging lens, which spreads out light rays. The first radius of curvature (r1) is 90 mm, and the second radius (r2) is 32.59 mm. The back focal length (bfl) is -99.2 mm. The lens does not have an inner or outer radius, suggesting a uniform curvature.

The lens is made of n-BK7 Schott, a popular optical glass due to its excellent optical properties and wide transparency range. The lens is designed for a wavelength of 546.1 nm. It does not come with any coating, which may affect its light transmission and scattering properties.

The lens is currently in stock and can be purchased directly from the vendor's website. For more information and similar products, users are encouraged to visit the provided weblink.

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