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Sigma has released a trio of its high-end `Art` lenses: two primes and one zoom. All three are designed for full-frame Canon, Nikon and Sigma bodies.
The first is the ultra-wide 14mm F1.8 DG HSM, which Sigma claims is the `world`s first and only F1.8 ultra-wide-angle lens.` The lens has 16 elements, three of which are FLD (low dispersion) and four are SLD (super-low-dispersion). It also has a large (80mm) aspherical front element to reduce distortion and `deliver outstanding image quality from the center to the edges.` The 14mm F1.8 has 9 rounded aperture blades, a minimum focus distance of 27cm/11in and a ring-type ultrasonic (HSM) focus motor.
Next up is the Sigma 24-70mm F2.8 DG OS HSM Art. This lens features three SLD and four aspherical, nine rounded aperture blades and optical image stabilization. The lens is weather-sealed and made of a combination of metal and `thermally stable composite` material. The minimum focus distance of the 24-70 is 37cm/1.5in and it uses 82mm filters.
Last, but certainly not least, is the 135mm F1.8 DG HSM telephoto prime. Sigma says that this lens `offers the [...] resolution required for 50MP or higher ultra-high-megapixel DSLRs.` It has a hypersonic (ring-type ultrasonic) focus motor that delivers fast (and `exceptionally stable`) focus speeds, while an acceleration sensor `detects the orientation of the lens` so the AF system can respond to `varying loads on the focusing group due to gravity.`
The lens has 9 rounded aperture blades, dust and splashproof construction, and a weight of 1130g/40.2oz.
Pricing and availability for all three lenses will be announced at a date to be determined.
Press Releases:
SIGMA 14mm F1.8 ...
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