Sigma 28-45mm f/1.8 DG DN Art Announced

• 4 months ago

Sigma 28-45mm f/1.8 DG DN Art: B&H Photo / Amazon / Adorama

Sigma 28-45mm f/1.8 DG DN Art Specs

• 15 groups and 18 elements
• including 5 SLDs and 3 aspherical lenses
• The minimum focusing distance 30cm
• The maximum magnification ratio at the 45mm focal length at the telephoto end is 1:4
• internal zoom
• internal focus
• HLA (high-speed linear motor) nano-porous coating
• super multi-layer coating
• waterproof and oil-proof coating (front lens)
• aperture ring
• step less aperture ring switching switch
• aperture lock switch
• AFL button
• 11 aperture blades

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