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Sigma is rumored to announce the 85 mm F1.4 art lens this September 2016 during the photokina event. According to the website photorumors the Sigma 85 MM 1.4 lens is currently being tested by the photographers around the world. Not only 85 mm lens, we may seem new art lenses at the event to we can also get some development announcement from Signa regarding the same. Stay with us and we will update you soon as we get any new information. source – Canonrumors
Canon 1dx mark 2 showing issues when paired with some specific Sigma ART lenses. The problem is not uncommon, according to the SLRlouge website who found the fix of the issue also added the problem was arising in Sigma 35mm ART and Sigma 85mm ART Lenses. Why and when the problem occur ? When you pair sigma lenses with your 1DX Mk2 camera you will notice some circular bands in your images, these unwanted circular bands appear due to the Auto Lens Aberration Correction algo inside the camera, the Lens Aberration Correction algorithm automatically corrects images when you capture a image with particular Canon lens. But Canon DSLRs automatically trun-off Aberration Correction when they spot a third-party lenses, unfortunately Canon 1DX Mark2 applying same Aberration Correction filter to Sigma 35mm and 85mm lens. Hence to avoid the issue you must follow these steps.
To Fix of the issue The fix of the problem is very simple
Do share you thoughts with us. Also take a look at Nikon D5 vs Canon 1DX Mk2 Camera High ISO Test and Specification comparison Source (news and image) – slrlounge.com and Resource Mag 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.
Patent Details Below Patent Publication No. 2016-38502 source – bit.ly/22Gpbuh  APS-H one is the equivalent of a 51-megapixel sensor. The compact DP series by Sigma was favored by very limited number of photographers due to the fixed lens issue. To make a big space among photographers Sigma finally jumped in thee mirrorless ship with its two new products SD Quattro and SD Quattro H. Both the camera uses Sigma SA lens mount, that allows shooters to select the Sigma’s lineup of Global Vision lenses.  29MP APS-C Foveon X3 Quattro CMOS sensor that uses a unique stacked design to deliver full color information at every single pixel without interpolation. Sigma SD Quattro vs SD Quattro H
The bold word are the differences between the two models. As you can see from the table the the primary difference between the two camera models is the sensor size.  Display is divided into two parts, one part will always show the camera settings and other will show additional features / live-view / menus. surprisingly the recently announced camera uses 9 points Phase AF system combined with contrast detect AF system for more accuracy. on the back side of the camera we have 2.3 MP high resolution viewfinder and a 1.62 MP LCD display screen and a side screen on right side (shown in red box) that mainly display camera core settings, example shutter speed, ISO, aperture, etc., Pre-order or Buy Sigma SD Quattro & SD Quattro H Mirrorless from B&H Shop
The leaked image of the lens shows its solid construction and yummy look. the lens is designed for APS-C sensor based camera so Canon EF, Nikon F and Sony SA mount. Take a look at the rumored specification of the lens
The lens is will cost you approx $1,500 and shpping will start from March April 2016. Sigma 30mm f/1.4 DC DN Contemporary lens
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Sigma new Lens patent surfaced over the web, the lens patent is of 120-600mm lens. This lens may add a new dimension in Sigma Sports series.
source – Egami
Description, self-interpretation of the patent literature
See more Sigma Patents |
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