I’ve tested all 4 of Sigma’s bargain f/1.4 primes for Canon cameras – here’s how to decide which one to buy
Sigma's DC DN Contemporary f/1.4 primes are available in 16mm, 23mm, 30mm and 56mm versions They're designed for crop-sensor ...
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'Sigma 16mm f1 4 vs sony 15mm f1 4' Techniques
From lens focal lengths and fill-flash to portraits, macro or stunning landscapes there are techniques for everyone. Learn how to use metering, considering composition and shoot everything from ...