49-385-INK 40 mm Dia. N-BAK4/N-SF10 Achromatic Doublet; EFL=300mm VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 40 mm
- EFL
- 300 mm
- R1
- 194.96 mm
- R2
- -148.27 mm
Material 1
- Name
- N-BAK4
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5709961571059783
- λ
- 550 nm
- B1
- 1.28834642
- C1
- 0.00779980626 μm2
- B2
- 0.132817724
- C2
- 0.0315631177 μm2
- B3
- 0.945395373
- C3
- 105.965875 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
49-385-INK 40 mm Dia. N-BAK4/N-SF10 Achromatic Doublet; EFL=300mm VIS-NIR 400-1000nm
The 49-385-INK is a high-quality achromatic doublet lens, sourced from the renowned optical vendor, Edmund Optics. This lens, with a diameter of 40 mm, is designed for use in the visible to near-infrared spectrum, spanning 400 to 1000 nm. The lens boasts an effective focal length (EFL) of 300 mm, making it suitable for a wide range of optical applications.
The lens is composed of two elements, made from N-BAK4 and N-SF10 Schott glass. These materials are known 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 11.66 mm and a center thickness of 9 mm. The inner and outer radii are 0, and the lens has a shape classified as a multiplet.
The 49-385-INK lens comes with a specialized coating on both the front and back surfaces. This coating, identified as edm visnir0sp2002000, is designed to optimize the lens's performance in the visible to near-infrared spectrum.
According to the vendor's information, this item is currently in stock and can be purchased directly from the Edmund Optics website. The provided weblink leads directly to the product page for easy access and purchase.
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