Need Aspherical Lens Equation (+20d, 55mm)

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SUMMARY

The discussion centers on the need for the equation of a +20 diopter (d) aspherical lens with a diameter of 55mm. The shape of the lens is contingent upon the index of refraction of the material used. A suggested resource for obtaining the necessary information is a Wikipedia article that provides relevant equations and details, contingent on knowing the material's refractive index.

PREREQUISITES
  • Understanding of lens optics and diopter measurements
  • Familiarity with aspherical lens design principles
  • Knowledge of refractive index and its significance in optics
  • Basic mathematical skills for applying lens equations
NEXT STEPS
  • Research the equations for aspherical lens design
  • Learn about the impact of refractive index on lens shape
  • Explore resources on optical design software for lens simulation
  • Investigate the differences between spherical and aspherical lenses
USEFUL FOR

Optics enthusiasts, optical engineers, and anyone involved in lens design or manufacturing who requires specific equations for aspherical lenses.

Raza121
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Hello.
I am not related to physics or any optics related field.
I am in need of equation for +20d aspherical lens of diameter 55mm.
Can anybody help me?
 
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The shape is definitely going to depend on the index of refraction of the material it is made out of.
 
Raza121 said:
Hello.
I am not related to physics or any optics related field.
I am in need of equation for +20d aspherical lens of diameter 55mm.
Can anybody help me?
Welcome to the PF.

When I go a Google search on the title of your thread, the first non-advertisement link is this one for wikipedia. It looks to have what you need (as long as you know the index of refraction of your material, as already pointed out)... :smile:
 

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