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Tamron 24-70mm f/2.8 VC vs Canon 24-105mm f/4L IS at 24-70

cliffwang said:
I actually am not surprised by the result. I know Tamron 24-70mm is very good from many blogs. However, I am more interested in an official side by side comparison between Tamron 24-70mm and Canon 24-70mm.

Thanks or the reply. Check out this forum and the ones at fredmiranda.com and dpreview.com for the Canon 24-70mm f/2.8L comparisons.
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Leica M10 HD video @ photokina...

foobar said:
It's definitely not necessary, but on the other hand: It's just a software feature, so why not?
As long as they don't compromise on the typical Leica qualities, I would be okay with it.
Well, cause once you start, you keep going down that path. People are going to want it improved, which means more R&D time not spent on the camera and stills. Look at what Canon found out with the 5dII; now they are making a whole line of Cine cameras they probably never imagined 5 years ago. Can you imagine Canon ever selling a camera without video? Or for that matter, the video not having any upgrades between models? Look at how much stills guys bitch about video upgrades in their $3k camera...can you imagine a line where you have $15k+ invested in it?

If I was investing that much in a system, I'd probably be mad if they started spending time working on a half-cooked video solution. And I'd be madder if they spent a lot of time working on a good one. Especially since video isn't gonna drop the price of the camera significantly
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Canon 50 1.4 worth the upgrade?

I had a canon 50mm 1.8 and wanted something that had better build quality and a quieter AF motor. I got the sigma which had to be retuned for a major front focusing issue on return it was not much better so it went back again! it then focused correctly at f1.4 but the focus shifted as i stopped down and was front focusing again by f2.8. i returned the sigma and got my money back which is a shame because it was a very well built lens with a nice quiet focus motor.I now have the canon 1.4 which is better built than the 1.8 has a slightly quieter AF motor and slightly better bokeh it is soft at 1.4 but i find mine very useable by f2.0 and great by f4. If you fancy taking a chance of getting a good copy of the sigma go for it, its a great lens if you can get a good one my friend is lucky to have a good copy and its very good from 1.4 but its a risk u take in my opinion. Regarding the canons unless you want better build quality and a slightly better and quieter AF motor id stay with the 1.8. the better build & AF was enough for me to pay the extra!
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Canon's DSLR sensor performance in the future? Will Canon change designs?

Interestingly I did a poll on my facebook. 80% of photographers who responded knew what DR was and felt it was important to them.

I think it's one of those things that becomes more important over time, especially when people realise what you can do with it.

However, as I've said many many times - like with high MP - most photographers will not use it.
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New Crop/APS-C Prosumer Camera Body in the Fall? [CR1]

I find it crazy that so many people are eager to CONSTANTLY upgrade their camera bodies. I see countless posts where people state: " I started with a T2i, then went to a 60D, then to a 7D, and now I NEED a 7D mkII (or a 70D)".

I don't know, but I'd rather sink my money into glass as opposed to constantly purchasing new camera models for modest "upgrades". What's the rush?
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Canon Mirrorless Information? [CR1]

dilbert said:
Rocky said:
Until Canon can solve theslow AF problem, The format of the sensor will be a mute point. In order to keep the size small APS-H sensor is a good compromise. Canon will come up a set of new lens. Therefore wide angle lens should be readily available,

Nikon have already solved that problem in the J1/V1 with phase detect auto focus using the live sensor.
Nikon have it does not meanCanon can use it. Nikon may not let anyone use it. It is their trump card for mirrorless.
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Is any manufacturer close to making anything like this?

Lumen, I really do feel your pain but you really have two options
1. Get an adaptor there are a couple out there that aren’t two bad, wouldn’t use them wide open though.
2. What camera did you have with the FDs? Dust it off and go shoot some B&W film it’s fun and it does sate the frustration, cool and retro according to my daughter and her bf has just got a 2-1/4sq TLR, don’t know what the hell is going on!!
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Video of 5dMk3 vs D800 outside of a lab

I thought they were sensible and "real world" reviews. They weren't entirely positive or negative about either camera and point out both of their issues. I liked that they were fair to each.

They also did one where they compared the d800 to a 40mp hassy. That was interesting. They thought:
* Detail was pretty close
* Skin tones / colour tonality generally wasn't as good
* High ISO was MUCH better
* Highlight retention was worse
* Shadow detail was pretty good on both

On the whole, I think if I wanted to get 36MP files I probably would look at a d800. It's a very very cheap way of getting that kind of quality. I just happen not to need that :)
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Light leak from status LED in long exposures 5Dm3

Looks like AMP noise to me. You were pushing anyway it, when looking at the shadows there were hot pixels showing up, that generally means you're really overdoing it and probably is amp noise.

The LED doesn't have different strengths of light, it's on or off. Imagine how bright it is compared to the night sky and you'll understand why it probably isn't that. I would recommend you use the eyepiece blacker that comes with the camera. It could of been you looking at your phone.
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New camera...shooting macros

I would suggest getting the 17-55 f2.8 EF-S and consider the 100mm f2.8
for macro and longer stuff, since this lens can do many things including great portraits very sharp lens
http://www.ebay.com.au/itm/Canon-EF-100mm-f-2-8-F2-8-Macro-USM-58mm-UV-600D-60D-5D-II-7D-/140744478315?pt=AU_Lenses&hash=item20c5064e6b

if you want to spend more money and want/need IS on the 100mm
the 100mm f2.8L IS macro is awesome but almost double the cost

http://www.ebay.com.au/itm/Canon-EF-100mm-f-2-8L-Macro-USM-2-8-L-7D-60D-5D-II-1D-IV-III-X-1Ds-/120898286295?pt=AU_Lenses&hash=item1c261972d7
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Canon 5D Mark iii with 24-105 --> $4169 USD

revup67 said:
I just spoke with August at J&R. They got 40 in stock with the lens as of 5-10-12. He is still offering the price @ $4169 as per above (see opening thread)

Yes they got a big batch in today, mine arrives tomorrow. Thanks again for pointing out the deal, it finally got the price (combined with 4% cashback from CC and selling the kit lens) to where I was willing to give the 5D3 a go.
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Macro Adapter?

yep I have these

http://www.ebay.com.au/itm/Kenko-Teleplus-Extension-Tube-DG-Set-Canon-EF-EF-S-/120911602776?pt=AU_Lenses&hash=item1c26e4a458

they retain Exif data and autofocus and metering only thing you lose is infinty focus as with all extension tubes

you can get ones with no electronics for like 10 bucks too (no name cheapies off ebay) but honestly they are utter rubbish you may as well spend that 10 bucks on a couple of beers the cheap ones show 00 on aperture are MF only , no AF and metering is off
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BG-E11 Street Date / Availability?

takoman46 said:
canoff said:
what if the 3rd party battery grips came out before the canon one does? :P How do they make them anyways, do they have to dissect the originals and re create them cheaper? I got a cheap one for my t2i and it works great except the battery indicator does not work, it just goes from full to dead(not a huge deal as I have a feel for when it is about to happen anyways). does this happen with other 3rd party grips as well?

My guess would be that 3rd party grip manufacturers would have to first get their hands on an authentic Canon grip and reverse engineer it. Once they have reverse engineered the design, they then need to make some sort of distinguishable modification from the authentic Canon grip in order to legally sell it. Regrading your problem with your T2i grip, I have a few friends that use off-brand grips for various other Canon bodies and their battery level indicator doesn't accurately read either. However, I think this might be a problem with running off-brand batteries and not necessarily the grip.
I use 2 canon batteries in mine so I dont think that is the issue
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