49-332-INK 12.5 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=90mm VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 12.5 mm
- EFL
- 90 mm
- R1
- 55.8 mm
- R2
- -40.17 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
49-332-INK 12.5 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=90mm VIS-NIR 400-1000nm
This is a high-quality achromatic doublet lens from Edmund Optics, with the catalog number 49-332-INK. The lens is designed for use in the visible to near-infrared spectrum, spanning 400 to 1000 nanometers. The lens is part of Edmund Optics' extensive catalog, which includes a wide range of optical elements from various vendors worldwide.
The lens has a diameter of 12.5 mm and an effective focal length (EFL) of 90 mm. The geometry of the lens includes a thickness of 3.06 mm at the edge, a central thickness of 1.98 mm, and a central thickness 'a' of 1.6 mm. The lens is composed of two elements, with the first made of N-BK7 Schott glass and the second made of N-SF5 Schott glass.
The lens features a coating on both the front and back surfaces, specifically the EDm VIS-NIR 0SP200-2000 coating. This coating is designed to optimize performance in the visible to near-infrared spectrum.
The lens is available for purchase directly from the Edmund Optics website, and the link provided is valid and indicates that the lens is currently in stock. This makes it an ideal choice for users who need a reliable and high-performing lens for applications in the visible to near-infrared spectrum.
