Vivitar Series 1 28-90mm f/2.8-3.5 is a fast manual focus zoom lens for SLR cameras.
The optical scheme comprises 14 elements in 12 groups. Thanks to minimum aperture ratio of f/2.8 enables shooting in low lighting conditions without a tripod or a flash. Due to the fact that lens has 6-bladed aperture, the subjects located outside the depth of field may be shown which the nuts-effect in the bokeh.
This lens has a size of 111.5 mm. This is a normal size, very convenient in everyday use. This lens weighs 680 grams, given the weight of the camera, it may deliver long wearing problems. The lens is suitable for shooting near objects. Mounting the filter has a common size. 28-90mm provides lot of focal length range. Is useful for landscape, architecture, interior and genre photography. Lens fit for low light conditions.
May be available from: Amazon.com, Amazon.co.uk, eBay.com, eBay.co.uk.
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