49-786-INK 12.7 mm Dia. N-SSK8/N-SF56 Achromatic Doublet; EFL=25.4mm VIS-NIR 400-1000nm
- 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
49-786-INK 12.7 mm Dia. N-SSK8/N-SF56 Achromatic Doublet; EFL=25.4mm VIS-NIR 400-1000nm
The 49-786-INK is a high-quality achromatic doublet lens, sourced from the renowned optical vendor, Edmund Optics. This lens, with a diameter of 12.7 mm, is designed for use in the visible (VIS) and near-infrared (NIR) spectrum, spanning 400-1000nm. The lens is specifically designed for use in a variety of applications that require excellent chromatic correction and high-resolution imaging.
The lens features a focal length of 25.4mm, providing a balance between field of view and image magnification. The lens is constructed from two elements, N-SSK8 and N-SF56, both from Schott, ensuring high optical quality and durability. The lens is coated with Edmund Optics' VIS-NIR0SP2002000 coating on both the front and back surfaces, enhancing its transmission capabilities across the VIS-NIR spectrum.
The lens geometry includes a central thickness of 4mm, with a slight asymmetry, providing excellent optical performance. The lens has a edge thickness of 4.1mm, ensuring robustness and durability. The lens is designed in a multiplet shape, allowing for complex optical designs and high performance.
