49-326-INK 12.5 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=40mm VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 12.5 mm
- EFL
- 40 mm
- R1
- 24.77 mm
- R2
- -18.01 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
49-326-INK 12.5 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=40mm VIS-NIR 400-1000nm
The 49-326-INK is a high-quality achromatic doublet lens, sourced from the renowned optical vendor, Edmund Optics. This lens, with a diameter of 12.5 mm, is designed for use in the visible to near-infrared spectrum, spanning 400-1000nm. The lens boasts an effective focal length (EFL) of 40mm, making it suitable for a wide range of optical applications.
The lens is composed of two elements, made from N-BK7 and N-SF5 Schott glass, respectively. These materials are chosen for their excellent optical properties, contributing to the lens's high performance. The lens features a sophisticated geometry, with a thickness at the edge of 3.88mm and a center thickness of 3.73mm. The radii of the lens surfaces are R1=24.77mm, R2=-18.01mm, and R3=-51.17mm, further enhancing its optical performance.
The 49-326-INK lens comes with a coating of EDM VISNIR0SP2002000 on both the front and back surfaces. This coating is designed to optimize the lens's performance in the visible to near-infrared spectrum, ensuring high transmission and minimal reflection.
The lens is currently in stock and available for immediate purchase. For more information, including pricing and detailed specifications, please refer to the vendor's website using the provided weblink.
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