49-389-INK 50 mm Dia. N-BAF10/N-SF10 Achromatic Doublet; EFL=75mm VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 50 mm
- EFL
- 75 mm
- R1
- 51.88 mm
- R2
- -32.79 mm
Material 1
- Name
- N-BAF10
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6730569473646495
- λ
- 550 nm
- B1
- 1.5851495
- C1
- 0.00926681282 μm2
- B2
- 0.143559385
- C2
- 0.0424489805 μm2
- B3
- 1.08521269
- C3
- 105.613573 μm2
Material 2
- Name
- N-SF10
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.7336618876174243
- λ
- 550 nm
- B1
- 1.62153902
- C1
- 0.0122241457 μm2
- B2
- 0.256287842
- C2
- 0.0595736775 μm2
- B3
- 1.64447552
- C3
- 147.468793 μm2
49-389-INK 50 mm Dia. N-BAF10/N-SF10 Achromatic Doublet; EFL=75mm VIS-NIR 400-1000nm
The 49-389-INK is a high-quality achromatic doublet lens, sourced from the renowned optical vendor, Edmund Optics. This lens, with a diameter of 50 mm, is designed for use in the visible to near-infrared spectrum, spanning 400-1000nm. The lens is specifically designed for use with inks, making it an ideal choice for various industrial and scientific applications.
The lens features a focal length of 75mm, providing a balanced balance between field of view and focus. The lens is constructed from two types of Schott glass, N-BAF10 and N-SF10, which are known for their excellent optical properties. The lens is coated with EDm VIS-NIR 0SP2002000, a proprietary coating developed by Edmund Optics, which enhances its performance in the specified wavelength range.
The lens geometry is carefully designed to optimize its performance. It has a central thickness of 20mm, with a slight asymmetry to correct for optical aberrations. The edge thickness is 17.07mm, providing robustness and durability to the lens. The lens also features a unique inked surface, which aids in its application in ink-based systems.
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