Sigma 20mm F1.8 EX DG ASP RF Nikon

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Sigma 20mm F1.8 EX DG ASP RF Nikon

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Announced01/01/2008 
Indicative price (USD) 629  
Aperturef/ 1.8  
Focal range (mm) 20  
Filter diameter (mm) 82 
Max diameter (mm) 88.5 
Mount typeNikon F FX  
StabilizationNo  
AF Motor  
Zoom type  
Rotating front elementNo  
Tripod mountNo  
ColorBlack  
Full-Time manual focus  
Number of lenses13  
Number of groups11  
Diaphragm blades9  
Circular apertureYes  
Length (mm)87  
Weight (gr)520  

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