49-944-INK 20 mm Dia. N-BAF10/N-SF6 Achromatic Doublet; EFL=25mm VIS 0° 425-675nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 20 mm
- EFL
- 25 mm
- R1
- 18.03 mm
- R2
- -13.27 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-SF6
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.811866267147773
- λ
- 550 nm
- B1
- 1.77931763
- C1
- 0.0133714182 μm2
- B2
- 0.338149866
- C2
- 0.0617533621 μm2
- B3
- 2.08734474
- C3
- 174.01759 μm2
49-944-INK 20 mm Dia. N-BAF10/N-SF6 Achromatic Doublet; EFL=25mm VIS 0° 425-675nm
The 49-944-INK is a high-quality Achromatic Doublet Lens, boasting a 20 mm diameter and effective focal length (EFL) of 25mm. This lens is designed for use within the visible light spectrum, specifically between 425-675nm.
Manufactured by Edmund Optics, this lens is a Multiplet type, featuring a complex geometry that includes a center thickness of 9.5mm, an edge thickness of 8.06mm, and a central a thickness of 2.5mm. The lens's inner and outer radii are 0mm, and it has a first radius (r1) of 18.03mm and a second radius (r2) of -13.27mm.
The lens is constructed from two types of Schott glass, N-BAF10 and N-SF6, which are renowned for their optical clarity and durability. Both the front and back of the lens are coated with EDMM Vis-0 Standard Curve coatings, enhancing its light transmission capabilities and overall performance.
This lens is currently in stock and available for purchase through the Edmund Optics website, as indicated by its valid weblink status. With its superior design and construction, the 49-944-INK is an excellent choice for a wide range of optical applications.
