Are you trying to measure the performance of your lens? Although this can be a difficult task, there are curves that can help. Read more at Edmund Optics.
Fixed magnification lenses typically function properly at a single working distance and are specified by their magnification. Learn more at Edmund Optics.
Fresnel lenses come in different sizes and can be used in a variety of applications. Read more about the theory, manufacturing, and application use at Edmund Optics.
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