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LM11-25-600 25.4 mm Dia. N-BK7 Negative Meniscus Lens; EFL=-600mm Uncoated

LM11-25-600 25.4 mm Dia. N-BK7 Negative Meniscus Lens; EFL=-600mm 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
-600 mm
BFL
-596.8 mm
R1
600 mm
R2
204.08 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

LM11-25-600 25.4 mm Dia. N-BK7 Negative Meniscus Lens; EFL=-600mm Uncoated

The LM11-25-600 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 3.2 mm, while the center thickness is slightly less at 3 mm.

The effective focal length (EFL) of this lens is -600mm, indicating that it is a diverging lens, which spreads out light rays. The first radius of curvature (r1) is 600mm, and the second radius (r2) is 204.08mm. The back focal length (bfl) is -596.8mm. The lens does not have an inner or outer radius, suggesting a uniform curvature throughout.

The lens is made of n-BK7 Schott, a common type of optical glass known for its excellent optical properties and wide transparency range. The lens is designed to work with a wavelength of 546.1nm. It is uncoated, meaning it does not have any additional layers to enhance its optical properties or protect it from environmental factors.

According to the vendor's website, this lens is in stock, indicating its availability for immediate purchase. The website also provides further details and specifications, which can be accessed via the provided weblink.

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