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By admin, on March 28th, 2016
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
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
By admin, on January 5th, 2016
Olympus finally announced today the long rumored 300mm f4.0 PRO Lens today, take a look at the major specifiction and yes you can order it from amazon.com, more options coming…
- World’s most powerful 6-steps of compensation synchronized in-lens and in-body Image Stabilization
- Closest focus of 1.4 meters gives a 0.48X (35mm equivalent) telemacro photography
- Splash, Dust, and Freeze proof design
- Manual focus clutch & Lfn button to instantly switch shooting styles
- Compatible with the MC-14 tele-converter
Click here to pre-order the lens at Amazon.com
By admin, on December 26th, 2015
Tokina finally announced the new AT-X 14-20mm f/2 PRO DX lens in Japan, the lens is now available for Canon and Nikon APS-C mounts, the lens features large fixed aperture through-out the zoom range, the new Tokina lens uplifted the core specification of ultra-bright wide angle zoom lenses to a new level, the lens will create a big name among Canon and Nikon APS-C DSLR users. let’s take a look at the press text issued by Tokina.
Features: (Translated by Google)
Large-aperture wide-angle zoom lens of Tokina’s first open F value F2.0
when you set the ISO sensitivity low, the handheld shooting can be set to enough shutter speed. Also, shooting was taking advantage of the blur, in night photography, etc. open F value of 2.0 and delivers the preeminent power.
High precision plastic aspherical lens
essential to a wide-angle two-group zoom lens, the plastic aspherical lens further pursue the G02 of surface accuracy, it is in a strong design to ghost flare. Also, so as to obtain a clear imaging to peripheral angle of view of a wide-angle, we conducted the optimization of the anti-reflection coat.
Placement of high precision ultra-low dispersion glass mold aspherical lens
in the rear lens group, with ultra-low dispersion glass mold aspherical lens is placed two pieces of, various types of aberration correction result that is properly subjected to, open F value of 2.0 bright lens , we have realized the high resolution and low distortion throughout the zoom range.
Compact body and good operability
by a one-touch focus clutch, feeling at the time of manual focus, there is a moderate torque sense of focus ring, allowing precise focusing.
In APS-C size (DX format) of ultra-wide-angle zoom lens, provide an open F value of 2.0, also will deliver preeminent power in the moving image shooting.
Filter size C-PL filter in 82mm is also available.
By admin, on November 29th, 2015
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
By admin, on November 28th, 2015
Canon is finally preparing to replace the most popluar 55-200mm EF-S Lens, a new patent surfaced over the web that shows EF-S 55-200mm STM lens. No further details are available, take a look details translated by google
Description, self-interpretation of the patent literature
- Patent Publication No. 2015-197655
- Published 2015.11.9
- Filing date 2014.4.3
- Example 1
- Zoom ratio 3.68
- Focal length 54.36 133.00 199.99
- F-number 4.14 5.22 6.32
- Half angle of 14.11 5.86 3.91
- Image height 13.66
- Overall length of the lens 129.39 161.77 167.04
- BF 46.78 66.90 78.18
See more patents here
source
By admin, on November 23rd, 2015
Leica aggressively announcing new cameras and lenses from past one year, if the same trend continuous Leica will soon or later will going to dominate the professional camera market.
According to latest news and rumors Panasonic is fully per-pared to announce 100-400mm lens for 43 system cameras. The lens is expected to arrive at February CP+ show 2015 with a price tag of $2,500. The image above is showing a prototype of upcoming lens, the size look very compact and solid.
We will bring more update as soon as we get any new information.
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Source and img – 43R.com
By admin, on November 20th, 2015
A new Canon patent surfaced over the web that shows Canon is working on 20-45mm Fullframe lens with F2.8-4.0 aperture.
Take a look at the patent details below. (translated by google)
- Patent Publication No. 2015-197593
- Published 2015.11.9
- Filing date 2014.4.1
- Example
- Zoom ratio 2.25
- Focal length f = 20.00 23.60 45.00
- Fno. 2.75 2.90 4.16
- Half angle of 47.25 42.51 25.68
- Image height 21.64 21.64 21.64
- Overall length 158.28 156.32 173.36
- BF 42.05 46.10 73.14
See more Canon Patent
egami
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