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Author Topic: Official: Sigma 24-105mm f/4 DG OS  (Read 13017 times)

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Official: Sigma 24-105mm f/4 DG OS
« on: October 14, 2013, 12:56:34 PM »
Sigma 24-105 f/4 DG OS Art
Sigma has officially shown the new 24-105mm f/4 DG OS Art series lens.

From Sigma
Access the full power of your camera’s image sensor. This new zoom fulfills Sigma’s uncompromising pursuit of high resolution.

Specs - Click for larger

Specs – Click for larger

The image sensors of digital SLR cameras continue to offer higher and higher resolution, and photographers are looking for high-performance lenses that leverage these sensors’ full power. In the case of zoom lenses as well, which are a dependable go-to in a wide variety of photographic conditions, photographers want convenience combined with exceptional optical performance. The new SIGMA 24-105mm F4 DG OS HSM zoom lens more than fulfills these requirements, offering exceptionally stable high resolution from wide-angle to medium telephoto photography.

While featuring a large-aperture 82mm filter size, this lens minimizes optical aberrations and avoids reduced peripheral brightness, an issue that tends to affect lenses with similar specifications. Each lens is checked with Sigma’s proprietary A1 MTF (modulation transfer function) measuring system to ensure it offers exceptional quality for the high-megapixel era. Try this new high-performance zoom for yourself, and experience Sigma’s uncompromising pursuit of high resolution.

The full realization of the Art product concept for you to hold in your own hands and appreciate with your own eyes.

MTF - Click for Larger

MTF – Click for Larger

Designed with a focus on sophisticated optical performance and tremendous expressive power, our new Art line of lenses delivers top-level image quality. With unsurpassed expressive performance, these lenses reach the high standards demanded by photographers with an artistic, creative inclination. Along with landscapes, portraits, still-life, close-up and casual snaps, they’re perfect for the kind of photography that unleashes the inner artist. Ideal for studio photography, they offer just as much expressive scope when capturing architecture, starry skies, underwater shots and many other scenes. Hold it in your own hands and appreciate it with your own eyes.

See the Sigma 24-105mm f/4 DG OS

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« Last Edit: October 14, 2013, 01:13:02 PM by Canon Rumors »
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Official: Sigma 24-105mm f/4 DG OS
« on: October 14, 2013, 12:56:34 PM »

cliffwang

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Re: Official: Sigma 24-105mm f/4 DG OS
« Reply #1 on: October 14, 2013, 01:03:58 PM »
Cannot wait to see the reviews of this lens though I am not going to buy this one.
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max

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Re: Official: Sigma 24-105mm f/4 DG OS
« Reply #2 on: October 14, 2013, 01:16:01 PM »
how do these charts compare to canon charts?

cellomaster27

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Re: Official: Sigma 24-105mm f/4 DG OS
« Reply #3 on: October 14, 2013, 01:19:38 PM »
How much will it cost, is my question. :D looks great though! Having high expectations on the IQ. Is it weather sealed? I don' even know exactly the definition of weather sealing.. Besides rubber gaskets. :p
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bchernicoff

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Re: Official: Sigma 24-105mm f/4 DG OS
« Reply #4 on: October 14, 2013, 01:19:54 PM »
I'm sure this will be huge for Nikon users. Probably a tougher sell for Canon users, as it lacks weather sealing. I suspect IQ will be the real deciding factor...more so than price.
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vlim

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Re: Official: Sigma 24-105mm f/4 DG OS
« Reply #5 on: October 14, 2013, 01:21:33 PM »
Its price please...

Albi86

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Re: Official: Sigma 24-105mm f/4 DG OS
« Reply #6 on: October 14, 2013, 01:22:01 PM »
how do these charts compare to canon charts?

They just don't :)

They didn't get me too excited though. Seems that borders are going to be soft in the wide end and I don't like that drop at 2/3 of the frame at the long end. I say so because I think a lens with this construction is going to be north of $1K.

Reviews are needed before purchase.

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Re: Official: Sigma 24-105mm f/4 DG OS
« Reply #6 on: October 14, 2013, 01:22:01 PM »

pdirestajr

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Re: Official: Sigma 24-105mm f/4 DG OS
« Reply #7 on: October 14, 2013, 01:28:42 PM »
This design aesthetically looks a lot like the Canon EF-S 17-55.
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Re: Official: Sigma 24-105mm f/4 DG OS
« Reply #8 on: October 14, 2013, 01:35:43 PM »
how do these charts compare to canon charts?

They seem pretty bad at corners

parkylondon

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Re: Official: Sigma 24-105mm f/4 DG OS
« Reply #9 on: October 14, 2013, 01:38:08 PM »
Sorry to jump straight in, I'm normally a bit of lurker for a while, but had to point this out. The Sigma site says this new lens will be available in September 2013. I'm a bit old-fashioned but isn't it October 2013 already? Either this lens has been available for a month (it hasn't) or the date is incorrect.. Anyone have an idea which?

Albi86

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Re: Official: Sigma 24-105mm f/4 DG OS
« Reply #10 on: October 14, 2013, 01:39:26 PM »
Sorry to jump straight in, I'm normally a bit of lurker for a while, but had to point this out. The Sigma site says this new lens will be available in September 2013. I'm a bit old-fashioned but isn't it October 2013 already? Either this lens has been available for a month (it hasn't) or the date is incorrect.. Anyone have an idea which?

Definitely a mistake. Price and availability are TBA.

vlim

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Re: Official: Sigma 24-105mm f/4 DG OS
« Reply #11 on: October 14, 2013, 01:47:08 PM »
I doubt its price will be higher than the Canon L one... It would not be a great marketing idea.

Albi86

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Re: Official: Sigma 24-105mm f/4 DG OS
« Reply #12 on: October 14, 2013, 01:51:03 PM »
I'm just seeing that vignetting at f/4 is close to 2 EV. That's a lot.

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Re: Official: Sigma 24-105mm f/4 DG OS
« Reply #12 on: October 14, 2013, 01:51:03 PM »

rs

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Re: Official: Sigma 24-105mm f/4 DG OS
« Reply #13 on: October 14, 2013, 01:51:37 PM »
how do these charts compare to canon charts?
Canon:


Sigma:


However, comparing MTF charts from one manufacturer to another is largely meaningless due to differences in the way they measure it.

Canon MTF source: http://www.usa.canon.com/cusa/support/professional/lenses/ef_lenses/ef_24_105mm_f_4l_is_usm#Overview
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bchernicoff

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Re: Official: Sigma 24-105mm f/4 DG OS
« Reply #14 on: October 14, 2013, 01:52:29 PM »
My guess is $999. The Nikon 24-120 is $1300, the Canon...well, we all know.

So, cheaper than the Nikon, more than what the Canon actually sells for, but it will have IQ to beat them both. That makes for a very strong seller.
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Re: Official: Sigma 24-105mm f/4 DG OS
« Reply #14 on: October 14, 2013, 01:52:29 PM »