According to latest rumors the Sigma 24-70mm f/2.8 OS Art lens is expected to be announced sometime in February 2017. If such Lens announced by Sigma then for sure it will low down the sales graph of native 24-70mm F2.8 Cannikon lenses. As the information we have received a while ago that Canon is testing 24-70mm F2.8 IS Lenses. Still, the expected date of arrival is unknown. Whereas Nikon already have 24-70 F2.8 VR lens in it’s arsenal.
Also see – Canon .CR2 File Format Hacked and Decoded
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Sigma Finally in the mood to enter in the Cinema lens market, according to latest rumor coming from rumormill We may see Cinema Lenses from Sigma Soon. But the Big Question is when Sigma is ready to enter in the Cinema world ? at the moment we can expect to see development announcement of new products this September.
The Rumor is not New
The rumor is not new on July 18, 2014 In an interview to Resource Magazine Sigma CEO Kazuto Yamaki SILENCE hinted that they are working on Cinema Lenses
“How could one of the greatest innovators of lens technology in the world not be producing lenses for high-end digital video and motion picture cameras? With such high standards, cinematographers seem like a natural market for Sigma. When I asked Kazuto about this, he simply smiled and said the two words that make every tech writer crave more: “No comment.” It looks like Sigma may still has a few more tricks up their sleeve…”
We will update you soon as we get any new information.
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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
- Locate the Lens Aberration Correction setting in the first menu on the 1DX MK II, and enter its sub-menu.
- Switch Peripheral Illum Corr to OFF
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
Filing date 2014.8.8
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 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 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