May 11 2013

An f1.8 Zoom Lens? Is that possible?

Published by at 4:16 pm under Equipment

Sigma, not a company known for innovation, is about to release an 18-35 zoom lens with a constant f1.8 capability. No other company has done that! Not even the mighty Canon or Nikon.

Check it out at Sigma.

If the image quality is there (above page details some specs) this would be awesome.

For those not into the nitty gritty physics details, an f1.8 lens allows over twice as much light to enter the camera as a more common f2.8 lens. It also provides more shallow depth of field. These are 2 attributes of a lens that serious photographers long for.

One caveat ... it will only work on crop frame cameras.

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