49-338-INK 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-INK 15 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=75mm VIS-NIR 400-1000nm
This is a 15 mm diameter achromatic doublet lens, catalog number 49-338-INK, sourced from Edmund Optics. The lens is specifically designed for use in the visible to near-infrared spectrum, spanning 400 to 1000 nanometers. The lens is part of the multiplets category, featuring a complex geometry that enhances its optical performance.
The lens's geometry includes an effective focal length (EFL) of 75mm, with a front radius (r1) of 39.61mm and a back radius (r2) of -36.46mm. The lens's edge thickness is 6.59mm, while the center thickness is 5mm. The lens also features an inner radius of 0mm and an outer radius of 0mm. The lens's design includes a central thickness 'a' of 2.5mm.
The lens is composed of two types of materials: N-BK7 from Schott and N-SF5 from Schott. These materials are known for their high optical quality and are commonly used in a variety of optical applications. The lens is coated with EDm VIS-NIR 0SP2002000 on both the front and back surfaces, enhancing its performance in the specified spectral range.
The lens is currently in stock and can be purchased directly from the vendor's website. For more information, please refer to the provided weblink.
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