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Sigma Patent - Art 24-70mm F2.8 DG OS HSM

A new Sigma ART 24-70mm F2.8 lens patent surfaced over the web, The lens will arrive for Fullframe sensor based DSLRs. We may see some big announcements from Sigma on Photokina 2016 as we have told you earlier.

24-70mm F2.8 FF camera lens

Patent Details Below

Patent Publication No. 2016-38502
Published 2016.3.22
Filing date 2014.8.8
Example
Zoom ratio 2.74
Wide-angle intermediate telephoto
Focal length 24.85 50.00 68.00
F-number 2.92 2.92 2.93
Full angle of view 2ω 83.71 45.71 34.33
The image height Y 21.63 21.63 21.63
The total lens length 150.73 167.12 178.30

source – bit.ly/22Gpbuh

Sigma Lens Patent 11-22mm ART Lens with Variable Aperture

sigma 11-22mm lens patent imgSigma latest patent surfaced over the web that shows a 11-22mm ART lens patent, but surprisingly the lens features variable aperture being a ART lens.

Description, self-interpretation of the patent literature

  • Patent Publication No. 2015-203734
    • Published 2015.11.16
    • Filing date 2014.4.11
  • Example 1
    • Zoom ratio 1.88
    • Wide-angle intermediate telephoto
    • Focal length 11.33 15.33 21.30
    • F-number 4.50 5.00 5.86
    • Total angle of view 2ω 126.85 108.80 87.93
    • Image height Y 21.63 21.63 21.63
    • Overall length of the lens 163.42 156.24 156.59

See more Sigma Patents

Sigma 20mm F1.4 Review by Lens Rentals

Sigma-20mm-F1.8-Lens-image

Sigma 20mm ART lens is new and world first lens that supports MAX F1.4 aperture while having a ultra wide range of 20mm, sure its wide aperture will add more fuel to your creativity.

Recently roger cala of lens rentals .com published a very informative review of the same.

The bottom line here is pretty obvious. Despite being a wider field of view, the Sigma 20mm f/1.4 clearly has a higher resolution than either the Canon or Nikon 24mm f/1.4 lenses do in the center half of the image, and are at least the equal of the others in the outer half. That’s just flat amazing…

Click here to buy the Sigma 20mm F1.4  from Amazon | Sigma 20mm F1.4  for Canon | Nikon from B&H

New Sigma Lenses Coming in 2016

Sigma-ART-Lens-image

A bunch of Sigma high quality Lenses are expected to arrive soon, The Sigma ART lenses are already dominating the third party Lens market. Now take a look at the list of Sigma upcoming lenses

  1. Sigma 85mm F1.4 ART Lens – The lens will exclusively will arrive for portrait shooter some time in 2016.
  2. Sigma 24-70 F2.8 ART OS – The 24-70mm ultra-bright lenses are one of the most popular lenses among Cannikon users, the arrival of Sigma made monster in 24-70mm category will sure decelerate Sales speed of Canon EF 24-70mm f/2.8L II USM & Nikon AF-S NIKKOR 24-70mm f/2.8E ED VR lenses.
  3. Sigma 70-200 f/2.8 OS Sport –  The lens is coming in 2016 with very fast AF that will sure attract professional shooters. The lens will arrive in

The website also said the Sigma is currently working on 12 lenses and they are ready to introduce new series of Wide angle prime lenses and new super-telephoto lens is also coming in next 2 to 3 years.

However we have already published detailed specification of the upcoming lenses here

STAY WITH ON FACEBOOK | TWITTER | GOOGLE+ to get live news + rumors 24X7.

via – Canon Rumor

Sigma 24-35mm F2 DG HSM Art lens US Pricing Announced

Sigma-fullframe-lens-image

Finally Sigma announced the new ART lens for fullframe camera sensor, the lens features constant F2 aperture throughout out the zoom range, as said by Sigma the 24-35mm lens will do work of three prime lenses (24mm, 28mm and 35mm ), the lens features advance optics, upgraded overall design and improved AF algorithm to achieve fast and continuous auto focus. The lens will be available in Sigma, Canon and Nikon mounts. Timing, pricing and availability will be announced at a later date.

Continue reading Sigma 24-35mm F2 DG HSM Art lens US Pricing Announced

SIGMA 24-35mm F2 DG HSM ART Lens for Fullframe Camera Announced

Sigma-24-35mm-lens-image

Sigma finally announced the fullframe 24-35mm F2 ART Lens for Fullframe cameras, the lens actually covers three need of three prime lenses, that includes 24mm, 28mm and 35mm, Sigma also adopted finest optics available and latest technologies in the recently announced FF lens, you get fixed F2 aperture through out the zoom range and lens incorporates large-diameter aspherical lens elements, which require advanced technologies to manufacture, one FLD glass and seven SLD (Special Low Dispersion) glass elements, of which two are aspherical lenses. The advanced optics and optimized lens power distribution minimize spherical aberration, axial chromatic aberration and field curvature, resulting in outstanding optical performance. Even at widest aperture, this lens delivers breathtaking image quality.

Continue reading SIGMA 24-35mm F2 DG HSM ART Lens for Fullframe Camera Announced

Sigma Patent 400MM F2.8 OS Sport

Sigma-Lens-Patent-img
Sigma is always active to develop innovative sensor and lens for its users, this time we have seen a Sigma patent that tell us that Sigma is working in a 400mm F2.8 OS Lens, take a look at the patent details below…

Patent Publication No. 2015-64436 (Google Translated)

Published 2015.4.9
Filing date 2013.9.4
Example 1

Focal length 390.00mm
Fno. 2.91
Total angle of view 2ω 6.29 °
Image height Y 21.63mm
Overall length of the lens 353.00mm
Positive, positive positive and negative negative 5-group configuration
Inner Focus (fourth group)
Anti-vibration (part of the fifth group)

src – egami