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By admin, on November 1st, 2018
Sigma 56mm f/1.4 DC DN Contemporary Lens for Sony E (APS-C and M4/3 Mirrorless) and
Sigma 40mm f/1.4 DG HSM Art Lens for Sony E (Fullframe Mirrorless) camera Price and shipping information now available.
According to latest tweet from nokishita Sigma 56mm F1.4 will cost you 48,600 yen which is equivalent to $430. And the 40mm F1.4 ART lens will cost you 137,700 yen, approx $1220.
We will update you soon as we get any new information.
By admin, on July 2nd, 2018
Sigma Working on advance lens Anti Reflection coating for lenses. For the lens coating, Sigma will going to use mesoporous silica material similar to “Nano Crystal Coat” of NIKON and “Air Sphere Coating” of CANON.
6 layer multilayer coating diagram shared by Sigam patent details
Patent Details of Sigma Anti Reflection Coating
PROBLEM TO BE SOLVED: To provide an antireflection film having low reflectance in a wide wavelength range of visible light to a substrate having various productivity and various refractive indices.
SOLUTION: This antireflection film is formed by laminating in order a first layer, a second layer, a third layer, a fourth layer, a fifth layer and a sixth layer from the side of the substrate in this order, A high refractive index material having an optical film thickness of one layer of 0.045λ or more and 0.971λ or less, the second layer has a low refractive index material with an optical thickness of 0.025λ or more and 0.166λ or less, The third layer has a high refractive index material with an optical thickness of 0.038λ or more and 0.375λ or less and the fourth layer has a low refractive index material with an optical thickness of 0.048λ or more and 0.152λ or less , The optical film thickness of the fifth layer is 0.045λ or more and 0.119λ or less, the optical film thickness of the sixth layer is 0.228λ or more and 0.331λ or less, and the refractive index is And is an ultra-low refractive index material having a refractive index of 1.10 or more and 1.30 or less.
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By admin, on April 18th, 2018
According to latest rumors Sigma will soon announce a new 70-200mm lens F2.8 lens. The lens is expected to announce before Photokina 2018. The upcoming version will replace the existing 70-200mm lens. These lenses will initially arrive for Canon, Nikon and Sigma Native mount. We will update you soon as we get any new information.
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By admin, on November 30th, 2017
On Sep 26, 2006 Sigma announced the 18-50mm F2.8 (Amazon | B&H) lens for APS-C DSLRs. After that they announce 17-50mm F2.8 lens (B&H | Amazon) on Feb 10, 2010 as a successor of 18-50mm F2.8 lens with IS and improved optics.
Now, a new patent surfaced over the web that shows new version of Sigma 18-50mm F2.8 Lens with IS.
Take a look at the patent details below
SIGMA filed patent of 18-50 mm F2.8 for APS-C sensor with very short back focus.
This patent may be for one of new dp/DPs.
【公開番号】特開2017-211496(P2017-211496A) click here
【公開日】平成29年11月30日(2017.11.30)
【発明の名称】大口径防振付きズームレンズ
Specification and lens arrangement of embodiment 1
Focal length: 17.55 – 48.47 mm
F No.: 2.92
2ω: 81.42 – 32.32
Image height: 13.49 – 14.20 mm
Back focus: 1.0000 – 22.4957 mm
Lens length: 126.29 – 166.99 mm
If a true successor of 18-50mm F2.8 is coming After 10 years of Gap we do expect a lot of improvement in optics, AF speed, IS and overall performance of the upcoming Sigma APS-C lens.
We will update you soon as we get any new information. Also see Sigma new Foveon image sensor patent.
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By admin, on October 24th, 2017
Well, yes we do have the samples captured by Sigma 16mm F1.4 DC DN (See development announcement here). The lens is specifically made for E-Mount and M4/3 camera. But, Sample image was captured by Sony A7R II Camera, Actually Sony A7R II camera is used here as a APS-C sensor camera @ 18 MP mode.
Take a look at the sample image and do share your thought with us
Download the full size samples from here
By admin, on October 24th, 2017
SIGMA announced development of world first 16mm F1.4 DC DN Lens for Sony APS-C Mirrorless cameras as well as M 4//3 mounts. This lens features high grade optics and STM motor for silent and fast AF.
Major Features:
- Fast Hybrid AF
- Dust- and splash-proof design
- Designed to minimize flare and ghosting
- Image quality rivaling that of our Art line lenses
- Bright prime functionality to experience photography at its best
- Accessories Included: Petal Type Lens Hood (LH716-01), Rear and Front Cap
- “Made in Japan” with outstanding craftsmanship
Continue reading SIGMA 16mm F1.4 DC DN Lens Development Announcement
By admin, on September 23rd, 2017
Sigma filed a patent of 12mm F1.4 for m4/3 lens.It’s a good news for M4/3 owners that Sigma is finally taking interest in M4/3 systems cameras. In Future we do expect ART series lenses dedicated for M4/3 system cameras.
Also take a look at the translated text from Sigma
FT san suggests that the embodiment 1 is same to “LEICA DG SUMMILUX 12mm / F1.4 ASPH” of Panasonic. That’s optical formula of both the lenses look exactly same.
Stay with us for LIVE camera rumors | See more Sigma Patents
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