The Sigma 14mm F1.4 DG DN is a fast, ultra-wide angle lens designed specifically for astrophotography. However, it will also provide excellent performance for landscape and architectural photography applications. Consistent with its purpose as an astrophotography lens, the Sigma 14mm F1.4 is optimized to give its best performance wide open. That’s a big deal for night sky photographers as it’s 2/3 EV faster than Sigma’s own 14mm F1.8mm and delivers up to 1.6X the amount of light to the
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