67-331-INK 25 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=160mm VIS 0° 425-675nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- 160 mm
- R1
- 107.2 mm
- R2
- -67.9 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
67-331-INK 25 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=160mm VIS 0° 425-675nm
The 67-331-INK is a high-quality achromatic doublet lens, boasting a 25 mm diameter and an effective focal length (EFL) of 160mm, specifically designed for the visible light spectrum ranging from 425 to 675nm. This lens is sourced from the reputable optical vendor, Edmund Optics, and is available for purchase through their official website.
This achromatic doublet lens is meticulously crafted from two distinct materials, N-BK7 and N-SF5, both from the esteemed Schott glass catalog. The lens's complex geometry includes an edge thickness of 4.33mm, an inner radius of 0mm, and an outer radius of 0mm. The first and second radii (r1 and r2) are 107.2mm and -67.9mm, respectively, while the third radius (r3) is -179.23mm. The center thickness is 3mm, with a reduced center thickness 'a' of 2.5mm.
The lens features a front and back coating of EDM VIS-0 STD CURVE, ensuring optimal performance and durability. The lens's shape is a multiplet, and it is available in a circular configuration. The weblink provided is valid and indicates that the lens is currently in stock, making it an ideal choice for users seeking immediate delivery.
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