47-657-INK 9 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=45mm VIS 0° 425-675nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 9 mm
- EFL
- 45 mm
- R1
- 27.83 mm
- R2
- -19.75 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
47-657-INK 9 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=45mm VIS 0° 425-675nm
The 47-657-INK is a high-quality Achromatic Doublet Lens, sourced from the renowned optical vendor, Edmund Optics. This lens boasts a 9 mm diameter and an effective focal length (EFL) of 45 mm, specifically designed for the visible light spectrum, spanning 425-675 nm.
The lens is meticulously crafted from two distinct materials, N-BK7 and N-SF5, both from Schott's extensive catalog. This combination ensures superior optical performance, minimizing chromatic aberration and delivering sharp, clear images. The lens features a standard curve coating on both the front and back surfaces, further enhancing its light transmission capabilities.
The geometry of the lens is equally impressive, with a thickness of 3.76 mm at the edge and 3 mm at the center. The inner and outer radii are 0, suggesting a symmetrical design that ensures consistent performance across various applications. The lens also features a central thickness of 1.3 mm and a radius of curvature (r1, r2, r3) of 27.83 mm, -19.75 mm, and -57.06 mm, respectively.
According to the vendor's website, this item is currently in stock, making it an ideal choice for users seeking immediate solutions. The item's catalog number, 47-657-INK, can be used for easy reference and tracking.
