October 25, 2014, 10:50:03 AM

Author Topic: Sigma 24-105 f/4 DG OS Outed?  (Read 14943 times)

Rienzphotoz

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Re: Sigma 24-105 f/4 DG OS Outed?
« Reply #75 on: October 15, 2013, 04:38:28 AM »
Much heavier. 82 mm filter size. The same old same old Sigma inconsistent AF.
Oh my God! ... the lens isn't even out yet but people already know it has "inconsistent AF" and that too from just knowing that it is "much heavier" and that it has "82mm filter size" ::)
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Re: Sigma 24-105 f/4 DG OS Outed?
« Reply #75 on: October 15, 2013, 04:38:28 AM »

candyman

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Re: Sigma 24-105 f/4 DG OS Outed?
« Reply #76 on: October 15, 2013, 05:10:39 AM »
Much heavier. 82 mm filter size. The same old same old Sigma inconsistent AF.
Oh my God! ... the lens isn't even out yet but people already know it has "inconsistent AF" and that too from just knowing that it is "much heavier" and that it has "82mm filter size" ::)
The past problems with inconsistent AF caused a lot of damage on the Sigma products that even today - where AF improved - people don't choose Sigma simply because of their experience in the past. That is something Sigma is, or should work on to improve. I dd not have AF problems with my Sigma 50 f/1.4 when I owned the lens.

Woody

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Re: Sigma 24-105 f/4 DG OS Outed?
« Reply #77 on: October 15, 2013, 06:27:20 AM »
Oh my God! ... the lens isn't even out yet but people already know it has "inconsistent AF" and that too from just knowing that it is "much heavier" and that it has "82mm filter size" ::)

On Sigma website before it was taken down:
    Lens Construction: 19 elements in 14 groups
    Dimensions (Diameter x Length): 3.5in x 4.3in
    Maximum magnification ratio: 1:4.6
    Weight: 885g / 31.2oz
    Minimum focusing distance: 45cm /17.7in
    Angle of view (35mm equivalent): 84.1°-23.3°
    Filter size: 82mm
    HSM delivers high AF speed and quiet performance
    Offers F/4 brightness throughout the zoom range
    OS (Optical Stabilizer) functionality
    Super Multi-Layer Coating reduces flare and ghosting
    Rounded 9-blade diaphragm
    Mount conversion service available
    Sigma USB Dock compatible

As for inconsistent AF, well, I had the latest Sigma 30 f/1.4 DC (ART) lens. Used it for a week and got rid of it. DPReview had similar problems with the Sigma 18-35 f/1.8 lens. The Sigma 24-105 f/4 won't be any better... of course its f/4 aperture may help to mask some of its AF problems.

Rienzphotoz

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Re: Sigma 24-105 f/4 DG OS Outed?
« Reply #78 on: October 15, 2013, 08:25:05 AM »
Oh my God! ... the lens isn't even out yet but people already know it has "inconsistent AF" and that too from just knowing that it is "much heavier" and that it has "82mm filter size" ::)

On Sigma website before it was taken down:
    Lens Construction: 19 elements in 14 groups
    Dimensions (Diameter x Length): 3.5in x 4.3in
    Maximum magnification ratio: 1:4.6
    Weight: 885g / 31.2oz
    Minimum focusing distance: 45cm /17.7in
    Angle of view (35mm equivalent): 84.1°-23.3°
    Filter size: 82mm
    HSM delivers high AF speed and quiet performance
    Offers F/4 brightness throughout the zoom range
    OS (Optical Stabilizer) functionality
    Super Multi-Layer Coating reduces flare and ghosting
    Rounded 9-blade diaphragm
    Mount conversion service available
    Sigma USB Dock compatible

As for inconsistent AF, well, I had the latest Sigma 30 f/1.4 DC (ART) lens. Used it for a week and got rid of it. DPReview had similar problems with the Sigma 18-35 f/1.8 lens. The Sigma 24-105 f/4 won't be any better... of course its f/4 aperture may help to mask some of its AF problems.
Knowing a few more specs still does not qualify anyone from knowing that it will be the "same old same old Sigma inconsistent AF" ... bashing a product without it even being released (let alone seeing/reading a review) does not come across as an unbiased opinion/comment. The least decent thing we can do is at least wait for it to be released and read/see few reviews from people who have actually used it.
« Last Edit: October 15, 2013, 08:26:48 AM by Rienzphotoz »
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Albi86

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Re: Sigma 24-105 f/4 DG OS Outed?
« Reply #79 on: October 15, 2013, 11:51:02 AM »


As for inconsistent AF, well, I had the latest Sigma 30 f/1.4 DC (ART) lens. Used it for a week and got rid of it. DPReview had similar problems with the Sigma 18-35 f/1.8 lens. The Sigma 24-105 f/4 won't be any better... of course its f/4 aperture may help to mask some of its AF problems.

You mean that test DPReview did trying to focus on the white eye of a white marble horse?? Then they tried to use the USB dock and stated that it took several hours to configure it?

Curiously, because the new Canon 24-70/2.8 wasn't that great on the 650D, they felt the urge to specify that "As always, though, it must be noted that focus speed and accuracy is dependent upon a number of variables, including the camera body used, subject contrast, and light levels."


Woody

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Re: Sigma 24-105 f/4 DG OS Outed?
« Reply #80 on: October 15, 2013, 12:33:29 PM »
You mean that test DPReview did trying to focus on the white eye of a white marble horse?? Then they tried to use the USB dock and stated that it took several hours to configure it?

Curiously, because the new Canon 24-70/2.8 wasn't that great on the 650D, they felt the urge to specify that "As always, though, it must be noted that focus speed and accuracy is dependent upon a number of variables, including the camera body used, subject contrast, and light levels."

My experience with the Sigma 30 f/1.4 (ART) lens exhibits the same symptons of inconsistent AF even with highly contrasting subjects. All the microadjustment won't help inconsistent AF.

GMCPhotographics

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Re: Sigma 24-105 f/4 DG OS Outed?
« Reply #81 on: October 16, 2013, 09:47:46 AM »
Oh my God! ... the lens isn't even out yet but people already know it has "inconsistent AF" and that too from just knowing that it is "much heavier" and that it has "82mm filter size" ::)

On Sigma website before it was taken down:
    Lens Construction: 19 elements in 14 groups
    Dimensions (Diameter x Length): 3.5in x 4.3in
    Maximum magnification ratio: 1:4.6
    Weight: 885g / 31.2oz
    Minimum focusing distance: 45cm /17.7in
    Angle of view (35mm equivalent): 84.1°-23.3°
    Filter size: 82mm
    HSM delivers high AF speed and quiet performance
    Offers F/4 brightness throughout the zoom range
    OS (Optical Stabilizer) functionality
    Super Multi-Layer Coating reduces flare and ghosting
    Rounded 9-blade diaphragm
    Mount conversion service available
    Sigma USB Dock compatible

As for inconsistent AF, well, I had the latest Sigma 30 f/1.4 DC (ART) lens. Used it for a week and got rid of it. DPReview had similar problems with the Sigma 18-35 f/1.8 lens. The Sigma 24-105 f/4 won't be any better... of course its f/4 aperture may help to mask some of its AF problems.

You could always buy a Sigma dock and spend an hour or so fixing Sigma's poor QC for them at your expense :D

Seriously, I can't see any benefit this lens can offer a Canon user. I'm sure it's been brought out to bring a popular Canon lens formula to Nikon and Sigma mounts. For Canon users...the 24-105 f4 LIS is most likely going to be a better choice. The Canon one has been around for so long, it's very cheap for what it does!
« Last Edit: October 16, 2013, 09:50:03 AM by GMCPhotographics »

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Re: Sigma 24-105 f/4 DG OS Outed?
« Reply #81 on: October 16, 2013, 09:47:46 AM »

jm

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Re: Sigma 24-105 f/4 DG OS Outed?
« Reply #82 on: October 16, 2013, 08:02:02 PM »
I agree with most of the comments here - whats the point? this is Canon's kit lens for many of their deals and it's pretty good. Even if the Sigma is slightly better, I don't think people will fork out $ for something that many people have or know someone that has.

I think they need to offer something either different or better and this looks like none of those things.

http://www.johnmckayphotography.com/

Rienzphotoz

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Re: Sigma 24-105 f/4 DG OS Outed?
« Reply #83 on: October 17, 2013, 06:13:28 AM »
I agree with most of the comments here - whats the point? this is Canon's kit lens for many of their deals and it's pretty good. Even if the Sigma is slightly better, I don't think people will fork out $ for something that many people have or know someone that has.

I think they need to offer something either different or better and this looks like none of those things.

http://www.johnmckayphotography.com/
+1 ... I think this new Sigma lens will most likely eat into Nikon and Sony sales than Canon (coz Nikon equivalent is too expensive and Sony does not have a similar lens).
BTW, I checked out your website ... great portraits, very beautifully put together.
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Re: Sigma 24-105 f/4 DG OS Outed?
« Reply #83 on: October 17, 2013, 06:13:28 AM »