> For the complete documentation index, see [llms.txt](https://docs.kostacloud.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.kostacloud.com/optimization/imaging-optimization.md). # Imaging Optimization Imaging optimization is a critical process in the development of optical systems, aimed at achieving the best possible performance - no matter how it is defined. Optimization involves adjusting various parameters of the lens elements to meet specific criteria, such as minimizing aberrations, achieving a desired field of view, or optimizing image quality across a range of conditions. #### Key Considerations in Imaging Optimization 1. **Performance Goals:** Define what "optimal" means for the specific application, including resolution, field of view, and light throughput. This is defined through Metrics (also commonly known as operands). 2. **Material Selection:** Different glass materials have unique refractive indices and dispersion properties, impacting the lens design. 3. **Geometrical Parameters:** The arrangement and shape of the lens elements drastically affect the performance and feasibility of the optical system. 4. **Tolerancing :** Understand how manufacturing tolerances can impact the optical performance and adjust the design accordingly. This is crucially important to keep in mind while optimizing a system to provide designs which can be "easily" produced. #### KostaCLOUD Imaging Metrics In KostaCLOUD, imaging optimization metrics are broken up into several distinct groups, which each have particular assumptions associated with them. You can find details by clicking on the cards below.


Paraxial Metrics	EFL, Invariant, BFD, Magnification, etc.	image.png	Paraxial Metrics
3rd Order Metrics	Coma, Spherical, and Petzval coefficients, etc.	image.png	Third Order Metrics
Real Ray Metrics	RMS Spot Size, Ray Angle, Axial Color, etc.	image.png	Real Ray Metrics
Wave Metrics	MTF, Wavefront Error, Encircled Energy, etc.	image.png	Wave Metrics
System Metrics	Optical Track, Edge Thickness, etc.	image.png	System Metrics
Tolerancing Metrics	Compensators, Sensitivities, and solves.	image.png	Tolerancing Metrics

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