49-312-INK 6.25 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=60mm VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 6.25 mm
- EFL
- 60 mm
- R1
- 37.16 mm
- R2
- -26.28 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
49-312-INK 6.25 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=60mm VIS-NIR 400-1000nm
The 49-312-INK is a high-quality achromatic doublet lens, sourced from the renowned optical vendor, Edmund Optics. This lens, with a diameter of 6.25 mm, is designed for use in the visible to near-infrared spectrum, spanning from 400 to 1000 nm. The lens boasts an effective focal length (EFL) of 60 mm, making it suitable for a wide range of optical applications.
The lens is composed of two elements, made from N-BK7 and N-SF5 Schott glass, respectively. These materials are chosen for their excellent optical properties, contributing to the lens's high performance. The lens features a front coating of EDm VIS-NIR 0SP2002000 and a back coating of the same, enhancing its durability and performance in its designated spectral range.
The lens geometry is intricately designed, with a central thickness of 2.3 mm and edge thickness of 3.1 mm. The lens's first and second radii are 37.16 mm and -26.28 mm, respectively, while the third radius is -76.48 mm. The lens's base shape is circular, and it is available in a multiplet configuration.
According to the vendor's website, the lens is currently in stock, indicating its availability for immediate use. The item data also provides a valid weblink for further information and purchasing options.
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