88-598 75 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=400mm VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 75 mm
- EFL
- 400 mm
- R1
- 246.5 mm
- R2
- -180.92 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
88-598 75 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=400mm VIS-NIR 400-1000nm
The 88-598 is a high-quality achromatic doublet lens, boasting a 75 mm diameter and an effective focal length (EFL) of 400mm. This lens is designed for use in the visible (VIS) and near-infrared (NIR) spectrum, specifically catering to the wavelength range of 400-1000nm.
The lens is composed of two elements, made from N-BK7 and N-SF5 Schott glass, respectively. These materials are renowned for their excellent optical properties, contributing to the lens's high performance. The lens features a sophisticated design, with radii of curvature of r1=246.5, r2=-180.92, and r3=-526.7, ensuring minimal chromatic aberration and superior image quality.
The 88-598 lens is equipped with a front and back coating of EDm VIS-NIR 0SP200-2000, enhancing its light transmission capabilities and durability. The lens has a center thickness of 11.05mm and an edge thickness of 12.84mm, providing robustness and stability.
This lens is sourced from Edmund Optics, a trusted vendor known for its high-quality optical components. The lens is currently in stock, as indicated by its weblink status, and more information can be found on the vendor's website.
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