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We offer one of the broadest portfolios in the industry for scientists, best-in-class products for pharmaceutical development and manufacturing, and a fully integrated service organization to support CDMO and contract testing across traditional and novel modalities.
The Greek letter σ (sigma) is used in statistics to represent the standard deviation of a population.
The lens information of SIGMA. Here you can find information about the lenses we manufacture – from macro to tele lenses, our prime and zoom lens series and, of course, the latest lenses for mirrorless systems.
Mathematics. In general mathematics, lowercase σ is commonly used to represent unknown angles, as well as serving as a shorthand for "countably", whereas Σ is regularly used as the operator for summation, e.g.: In mathematical logic, Σ n 0 {\displaystyle \Sigma _ {n}^ {0}}
Discover our comprehensive metabolism assay kits, designed to streamline your enzyme and metabolite analysis for efficient disease research. Sigma-Aldrich® Lab & Production materials that help you Unleash the Impossible. Explore our range of lab, diagnostic and bulk products, hear stories from inspiring scientists like you, and more.
With Sigma India by my side, I am more empowered than ever to share my unique view of the world with a global audience. This partnership is not just a collaboration; it’s an opportunity to craft visual stories that transcend boundaries, cultures, and languages.
We provide a wide variety of products. Please select one of the Categories below to learn more. Analytical Chemistry. Cell Culture & Analysis. Chemistry & Biochemicals. Clinical & Diagnostics.
Ignite your creativity with the lens that perfectly pairs with your style, camera mount, and photographic journey. Our high-performance lenses are available for most major camera mounts. Find the right DSLR or mirrorless lens for your photographic journey today.
The official global site of camera & lens manufacturing company SIGMA.Here you can find information about our company and our products, support, repairs and inspections, as well as news, updates, and branded content.
Sigma engineers exceptional lenses for nearly every camera system, including our own SIGMA fp. With lenses for Canon, Nikon, Sony, Panasonic and Leica, Sigma offers the high-quality optics you want at a price you can afford.
