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The lens produces a bokeh effect similar to a petzval with a fully open aperture and maximum defocusing of the background with the obligatory backlight. Example: the distance to the subject (portrait) is 1.5 m, the distance to the background (flowers) is 3.5 m.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.