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22-989 10mm Dia. N-SF6 Precision Aspheric Lens; EFL=7.5mm; NA=0.67 VIS-EXT Plus 350-700nm

22-989 10mm Dia. N-SF6 Precision Aspheric Lens; EFL=7.5mm; NA=0.67 VIS-EXT Plus 350-700nm

Type
Lens
Subtype
Aspheric Lens
Brand
Edmund Optics
Product webpage
Edmund Optics products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
10 mm
EFL
7.5 mm
BFL
3.35 mm
R1
6.04 mm
R2

Material

Name
N-SF6
Dispersion Equation
Sellmeier
n (λ)
1.8051741184501493
λ
587.6 nm
B1
1.77931763
C1
0.0133714182 μm2
B2
0.338149866
C2
0.0617533621 μm2
B3
2.08734474
C3
174.01759 μm2

22-989 10mm Dia. N-SF6 Precision Aspheric Lens; EFL=7.5mm; NA=0.67 VIS-EXT Plus 350-700nm

The 22-989 is a high-precision aspheric lens offered by Edmund Optics, boasting a 10mm diameter and a numerical aperture (NA) of 0.67. This lens is designed for use within the visible light spectrum, specifically between 350-700nm, making it suitable for a wide range of optical applications.

The lens is crafted from n-SF6 Schott, a high-quality optical material known for its excellent transmission properties and durability. The aspheric design of the lens helps to minimize spherical aberration, a common issue in traditional spherical lenses, thereby improving the overall image quality.

The lens features an effective focal length (EFL) of 7.5mm, which is the distance from the lens's principal point to its focal point. This EFL, combined with the lens's high NA, allows for a wide field of view and high light-gathering capability.

The lens's geometry includes an inner radius of 0mm, an outer radius of 0mm, a thickness at the edge of 5.25mm, and a thickness at the center of 7.5mm. The front and back surfaces of the lens are coated with Edmund Optics' VIS-EXT coating, which provides excellent transmission and protection across the specified wavelength range.

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