49-779-INK 25.4 mm Dia. N-SSK8/N-SF56 Achromatic Doublet; EFL=50.8mm VIS 0° 425-675nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- 50.8 mm
- R1
- 33.54 mm
- R2
- -27.27 mm
Material 1
- Name
- N-SSK8
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6203679865890697
- λ
- 550 nm
- B1
- 1.44857867
- C1
- 0.00869310149 μm2
- B2
- 0.117965926
- C2
- 0.0421566593 μm2
- B3
- 1.06937528
- C3
- 111.300666 μm2
Material 2
- Name
- N-SF56
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.791037231451858
- λ
- 550 nm
- B1
- 1.73562085
- C1
- 0.0129624742 μm2
- B2
- 0.317487012
- C2
- 0.0612884288 μm2
- B3
- 1.95398203
- C3
- 161.559441 μm2
49-779-INK 25.4 mm Dia. N-SSK8/N-SF56 Achromatic Doublet; EFL=50.8mm VIS 0° 425-675nm
The 49-779-INK is a high-quality Achromatic Doublet lens, boasting a 25.4 mm diameter and an effective focal length (EFL) of 50.8mm. This lens is designed for use within the visible light spectrum, specifically between 425-675nm.
The lens is composed of two types of Schott glass, N-SSK8 and N-SF56, which are renowned for their optical clarity and durability. The front and back surfaces of the lens are coated with the EDM VIS-0 standard curve coating, enhancing its light transmission capabilities and providing excellent protection against environmental factors.
The lens geometry is meticulously designed, with a thickness of 8.2mm at the edge and 8mm at the center, ensuring optimal light refraction and minimal distortion. The inner and outer radii are 0, indicating a uniform curvature that contributes to the lens's high-performance capabilities.
This lens is sourced from Edmund Optics, a leading vendor in the optical industry, and is available for immediate purchase from their website. The product link and stock status are provided in the item data for your convenience.
