This is a brief excerpt from thePhoBlographer
Sigma is announcing four new art lenses: but only one of the lenses is actually totally new. The company’s 30mm f2.8 DN, 19mm f2.8 DN, and 30mm f1.4 DC HSM have long been in the lineup, but they’re now receiving a refresh. In these new versions, they’ve now been given a bit of an optical performance overhaul and more of a facelift to include them in the art collection–where they join the very good 35mm f1.4 HSM. Once you read the specs though, you start to realize that they’re really not playing around now. For example, the new lenses all have brass made bayonets. Sound familiar? It’s the reason why you pay so much for B&W filters: the brass.
According to the press release, “All three DN lenses incorporate telecentric optical designs and a linear, auto focusing motor that ensures accurate and quiet focusing for video recording. They also boast metal exteriors and a simply shaped focus ring, with varying textures to distinguish each part of the lens. In addition, DN users can choose between a black or silver finish to match their favorite equipment.”
More images and specs on the lenses …
By: Chris Gampat
via planet5D pinterest news http://pins.planet5d.com/sigma-announces-four-new-art-lenses-three-mirrorless-one-dslr-lens/
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