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src=\"https:\/\/phillipreeve.net\/blog\/wp-content\/uploads\/2025\/12\/Sigma_17mm_4.0_DG_DN_C_Sample_A7CII_4.0_10-300x200.jpg\" class=\"attachment-medium size-medium\" alt=\"sigma 17mm 4.0 dg dn c contemporarly e fe l small review sharpness contrast bokeh coma vignetting 42mp 63mp sony a7 a7rii a7iii a7riv a7rv a7iv a1 a9 a9ii\" srcset=\"https:\/\/phillipreeve.net\/blog\/wp-content\/uploads\/2025\/12\/Sigma_17mm_4.0_DG_DN_C_Sample_A7CII_4.0_10-300x200.jpg 300w, https:\/\/phillipreeve.net\/blog\/wp-content\/uploads\/2025\/12\/Sigma_17mm_4.0_DG_DN_C_Sample_A7CII_4.0_10-768x512.jpg 768w, https:\/\/phillipreeve.net\/blog\/wp-content\/uploads\/2025\/12\/Sigma_17mm_4.0_DG_DN_C_Sample_A7CII_4.0_10.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>sigma 17mm 4.0 dg dn c contemporarly e fe l small review sharpness contrast bokeh coma vignetting 42mp 63mp sony a7 a7rii a7iii a7riv a7rv a7iv a1 a9 a9ii<\/p>\n"},"caption":{"rendered":"<p>Sony A7CII | Sigma 17mm 4.0 DG DN 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