67-257 15 mm Dia. N-SF5 Precision Aspheric Lens; EFL=9mm; NA=0.83 BBAR 600-1050nm
- Type
- Lens
- Subtype
- Aspheric Lens
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 15 mm
- EFL
- 9 mm
- BFL
- 4.81 mm
- R1
- 5.73 mm
- R2
Material
- Name
- N-SF5
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6727030184452947
- λ
- 587.6 nm
- B1
- 1.52481889
- C1
- 0.011254756 μm2
- B2
- 0.187085527
- C2
- 0.0588995392 μm2
- B3
- 1.42729015
- C3
- 129.141675 μm2
67-257 15 mm Dia. N-SF5 Precision Aspheric Lens; EFL=9mm; NA=0.83 BBAR 600-1050nm
This is a high-quality aspheric lens from the renowned optical vendor, Edmund Optics. The lens, catalog number 67-257, is a precision component designed for use in the near-infrared spectrum, with a central wavelength of 587.6nm.
The lens is constructed from N-SF5 Schott glass, a material known for its excellent optical properties. It features a base shape of a circle, with a diameter of 15mm. The lens has a numerical aperture (NA) of 0.83, indicating a high light-gathering capacity.
The aspheric geometry of the lens is defined by its inner radius of 0mm, outer radius of 0mm, and a thickness at the edge of 1.35mm. The effective focal length (EFL) is 9mm, and the lens has a back focal length (BFL) of 4.81mm. The thickness at the center of the lens is 7mm.
The lens is coated with BBAR 600-1050, a broadband anti-reflection coating that enhances transmission in the 600-1050nm range. This coating is applied to both the front and back surfaces of the lens.
The lens is currently in stock and available for immediate purchase. For more information, including pricing and detailed specifications, please refer to the provided weblink.
