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The following opinions have been automatically translated with Google Translate.
Pros:20mm, f1.8, minimum focusing distance of 20 cm.
Cons:Sharpen the edges unacceptable and generally rather poor.
Opinion:I was looking for a bright wide-angle to photograph the night sky. The focal length of 20 mm is ideal for this type of photo, and in addition the opening of f1.8 is very good, so on paper the Sigma 20mm f1.8 was exactly what I needed, so I decided to buy it . rnHo made several pictures with this lens and I must say that in the end are not so bad, but if one goes to look at the details out of the middle of the field, will be blurred and lack nitidezza.rnPer conclude, especially in the photo to the starry sky, you note particularly the stars on the sideline for the aberrations and the lack of sharpness. rnSi appreciate this lens the minimum focus distance (20 cm) and brightness, for those who like to disconnect the subject in the foreground from the background or vice versa by means of the selective focus. rnrnSarebbe Sigma desirable to revise this view and it would redraw the diagram, correcting aberrations and improving the resolution, since a 20 mm f1.8 for FF does not exist on the market and is ideal for photos at the sky notturno.rnrn
The following opinions have been automatically translated with Google Translate.
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