49-773 12.7 mm Dia. N-SSK8/N-SF56 Achromatic Doublet; EFL=25.4mm VIS 0° 425-675nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 12.7 mm
- EFL
- 25.4 mm
- R1
- 16.77 mm
- R2
- -13.63 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
49-773 12.7 mm Dia. N-SSK8/N-SF56 Achromatic Doublet; EFL=25.4mm VIS 0° 425-675nm
The 49-773 is a high-quality achromatic doublet lens, boasting a 12.7 mm diameter and an effective focal length of 25.4mm. This lens is designed for use within the visible light spectrum, specifically between 425-675nm.
The lens is composed of two elements, made from N-SSK8 and N-SF56 Schott glass, respectively. These materials are renowned for their optical clarity and are often used in high-precision applications. The lens features a standard curve coating on both the front and back surfaces, which enhances its light transmission capabilities and reduces unwanted reflections.
The lens geometry is carefully designed to optimize its performance. It has an inner radius of 0mm and an outer radius of 0mm, with a center thickness of 4mm and an edge thickness of 4.1mm. The first and second radii of curvature are 16.77mm and -13.63mm, respectively, while the third radius of curvature is -50.73mm. This complex geometry allows the lens to effectively correct chromatic aberrations, ensuring sharp and clear images.
The 49-773 lens is available from Edmund Optics and is currently in stock. For more information, including pricing and detailed specifications, please refer to the provided weblink.
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