L-PCX274 47 mm Dia. Plano-Convex Lens; EFL=1000mm Uncoated
- Type
- Lens
- Subtype
- Spherical Lens (Plano-Convex)
- Brand
- Ross Optical
Properties
- Shape
- Circular
- Diameter
- 47 mm
- EFL
- 1000 mm
- BFL
- 1001.98 mm
- R1
- 516.8 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
L-PCX274 47 mm Dia. Plano-Convex Lens; EFL=1000mm Uncoated
The L-PCX274 is a 47 mm diameter Plano-Convex lens, sourced from the renowned optical components vendor, Ross Optical. This lens is specifically designed for use in applications that require a long effective focal length (EFL) of 1000mm. The Plano-Convex design, where one side is flat and the other curved, is a common type of spherical lens.
The lens's geometry is meticulously crafted, with a thickness of 2mm at the edge and 2.5mm at the center. The curvature of the lens is defined by a radius (R1) of 516.8mm, which contributes to its long EFL. The back focal length (BFL) is 1001.98mm, a value that is crucial in determining the positioning of the lens in an optical system.
The L-PCX274 lens is made from N-BK7 Schott, a popular optical glass due to its excellent optical properties and versatility. The wavelength for this lens is 587.6nm, a standard value in the visible light spectrum.
Notably, this lens is uncoated. Coatings are often applied to lenses to enhance their performance by reducing reflections, increasing transmission, or providing protection against environmental factors. However, the absence of a coating in this lens could be advantageous in certain applications where specific reflectance properties are required.
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