49-338 15 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=75mm VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 15 mm
- EFL
- 75 mm
- R1
- 39.61 mm
- R2
- -36.46 mm
Material 1
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5185223876207927
- λ
- 550 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
Material 2
- Name
- N-SF5
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6771143911586193
- λ
- 550 nm
- B1
- 1.52481889
- C1
- 0.011254756 μm2
- B2
- 0.187085527
- C2
- 0.0588995392 μm2
- B3
- 1.42729015
- C3
- 129.141675 μm2
49-338 15 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=75mm VIS-NIR 400-1000nm
This is a high-quality achromatic doublet lens from the renowned optical vendor, Edmund Optics. The lens, with the catalog number 49-338, is specifically designed for the visual and near-infrared spectrum, spanning 400-1000nm. It is a multiplet lens, meaning it is composed of multiple elements, which in this case are N-BK7 and N-SF5 Schott glasses.
The lens has a diameter of 15mm and an effective focal length (EFL) of 75mm. The edge thickness of the lens is 6.59mm, while the center thickness is 5mm. The first radius of curvature (r1) is 39.61mm, the second radius (r2) is -36.46mm, and the third radius (r3) is -145.02mm. The lens also features a coating of edm visnir0sp2002000 on both the front and back surfaces, ensuring optimal performance in the specified wavelength range.
The lens is currently in stock and available for purchase through the Edmund Optics website. For more detailed specifications and purchasing information, please refer to the provided weblink.
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