LF1015 25.4 mm Dia. N-BK7 Negative Meniscus Lens; EFL=-300mm Uncoated
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Convex)
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- -300 mm
- BFL
- -297.8 mm
- R1
- 250 mm
- R2
- 95.1 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5167984379050088
- λ
- 587.6 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
LF1015 25.4 mm Dia. N-BK7 Negative Meniscus Lens; EFL=-300mm Uncoated
The LF1015 is a spherical lens with a concave-convex base shape and a circular geometry, sourced from the reputable vendor Thorlabs. This lens boasts a diameter of 25.4 mm and a center thickness of 3 mm, with an edge thickness of 3.5 mm. The effective focal length (EFL) of this lens is -300 mm, making it a negative meniscus lens.
The lens is crafted from the high-quality material N-BK7 Schott, a borosilicate crown glass known for its excellent optical properties. The lens's inner radius is 0, and the outer radius is also 0, indicating a symmetrical design.
The LF1015 operates at a wavelength of 587.6 nm. It does not come with any coating, as indicated in the item data. However, coatings can be added to enhance the lens's performance, such as anti-reflective coatings to reduce surface reflections or protective coatings to increase durability.
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