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37-420 15mm Dia. N-SF6 Precision Aspheric Lens; EFL=15mm; NA=0.5 Uncoated

37-420 15mm Dia. N-SF6 Precision Aspheric Lens; EFL=15mm; NA=0.5 Uncoated

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

Properties

Shape
Circular
Diameter
15 mm
EFL
15 mm
BFL
10.22 mm
R1
12.08 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

37-420 15mm Dia. N-SF6 Precision Aspheric Lens; EFL=15mm; NA=0.5 Uncoated

The 37-420 is a high-precision aspheric lens, 15mm in diameter, with a numerical aperture (NA) of 0.5, offered by Edmund Optics. This uncoated lens is designed for use with a wavelength of 587.6nm, making it suitable for a wide range of optical applications.

The lens features a high-quality N-SF6 Schott material, ensuring durability and reliability. It has an effective focal length (EFL) of 15mm, which, coupled with its NA, provides 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, and a thickness at the edge of 6.21mm.

The aspheric design of the lens, represented by the 'r1' value of 12.078, significantly reduces spherical aberration, providing superior image quality. The 'k1' value of -0.9820666 further enhances the lens's optical performance. The lens's thickness at the center is 8.62mm, and it has a 'bfl' value of 10.22mm.

The lens is uncoated, which can be beneficial in certain applications where a specific coating is not required or desired. However, it's important to note that uncoated lenses may have higher reflectivity, which could affect the overall system performance.

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