47-741-INK 40 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=200mm VIS 0° 425-675nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 40 mm
- EFL
- 200 mm
- R1
- 124.12 mm
- R2
- -87.26 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
47-741-INK 40 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=200mm VIS 0° 425-675nm
The 47-741-INK is a high-quality Achromatic Doublet Lens, sourced from the renowned optical vendor Edmund Optics. This lens boasts a 40 mm diameter and is designed with an effective focal length (EFL) of 200mm, specifically for the visible light spectrum ranging from 425 to 675nm.
The lens is constructed from two types of Schott glass: N-BK7 and N-SF5. 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 lens geometry is intricately designed with precise radii and thicknesses. The edge thickness is 10.09mm, while the center thickness is 8.5mm. The lens has an aperture of 4mm, providing a good balance between light gathering capability and depth of field.
The 47-741-INK is currently in stock and available for immediate purchase through the Edmund Optics website. Its catalog number is 47-741-INK, making it easy to locate and order. This lens is a versatile and reliable choice for a wide range of optical applications.
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