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Sigma f/1.8 Zoom Lens

Sigma Unveils the First Constant f/1.8 Zoom Lens

Sigma f/1.8 Zoom Lens


Sigma has unveiled the 18-35mm F1.8 DC HSM Art lens, which is the first in the industry to deliver f1.8 aperture in all zoom range. The lens is designed for DSLRs equipped with APS-C size sensors.

The real-life focal range may translate to 27mm to 52.5mm with 35mm equivalent, if we figure out the crop factor. This should make the lens adequate for street photography, close-up, studio, wedding, portraits and landscapes.

It has 72mm filter size and an f/1.6 minimum aperture. The lens should produce really sweet bokeh, thanks to the nine-blade rounded diaphragm. It should perform quite well at extreme temperatures with TSC (thermally stable composite) compound material and AF/MF switch.

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