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Sigma SA 25 items; Sony A 3 items; Fujifilm X 9 items; Micro 4/3 3 items; Pentax 2 items; Sensor Coverage. Full Frame 65 items; APS-C 11 items; Lens Type. Primes 49 items; Zooms 28 …

Sigma (/ ˈ s ɪ ɡ m ə / ⓘ SIG-mə; [1] uppercase Σ, lowercase σ, lowercase in word-final position ς; Ancient Greek: σίγμα) is the eighteenth letter of the Greek alphabet. In the system of Greek …

The small letter sigma (σ) is used to represent standard deviation in math and statistics. It is also used to show syllable in linguistic, a shielding constant in chemistry and sum of divisors in math.

The capital Greek letter Σ (Sigma) is visually very similar to the summation symbol (∑) which is the dedicated symbol in math for the summation operation.

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Sigma Corporation of America is a subsidiary of the Sigma Corporation, a Japanese based family owned manufacturer of DSLR cameras, camera lenses and camera accessories. Founded in …

Discover the meaning and uses of the Sigma symbol (Σ) in math, statistics, and more. Learn how to type or copy the Sigma symbol, explore its variations, and find the Unicode for Sigma on our …