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Author Topic: Canon EOS Rebel T4i [CR2]  (Read 50401 times)

neuroanatomist

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Re: Canon EOS Rebel T4i [CR2]
« Reply #45 on: December 06, 2011, 08:49:31 AM »
I hope for finally a better af (micro adjust?) then the 30d/400d,

I don't think we'll ever see AMFA on a Rebel/xxxD body.  They excluded that feature from the 60D intentionally, and so I doub;t they'll add it back to the xxD line, either - it will remain a feature of xD bodies only, the 50D being the sole exception.
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Re: Canon EOS Rebel T4i [CR2]
« Reply #45 on: December 06, 2011, 08:49:31 AM »

thepancakeman

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Re: Canon EOS Rebel T4i [CR2]
« Reply #46 on: December 06, 2011, 10:07:36 AM »
As for moonlighting, "This new Rebel camera is a great choice - just came out and has LOTS of megapixels. You should also get this great second lens with a BIG zoom.  You'll need these Promaster protection filters, has 'pro' in the name 'cuz they're what the pros use. Oh, and you really need to get the great extended warranty we offer - it covers everything, no fine print, honest!"

I knew it!!   ;D  Thanks for the smile!

Stuart

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Re: Canon EOS Rebel T4i [CR2]
« Reply #47 on: December 06, 2011, 10:44:15 AM »
Big Mega pixel counts for those that don't know any better, and bigger pixel sites for those that do.

Will that allow some kind of natural product split where i have to "downgrade" MP to upgrade dynamic range.
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AJ

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Re: Canon EOS Rebel T4i [CR2]
« Reply #48 on: December 06, 2011, 01:13:22 PM »
Wouldn't it be ironic if the 700D had 24 mpix and the 7D2 had 12 mpix.

Higher-end cam: fewer mpix, less noise, better colors.

donthasslethehoff

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Re: Canon EOS Rebel T4i [CR2]
« Reply #49 on: December 06, 2011, 01:40:57 PM »
Thanks for the info.  Any word on whether these cameras will have phase detection af and if they will match the new Sony's in video? 

Holding off on purchasing, but will pull the trigger once Canon makes this info known.

jrista

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Re: Canon EOS Rebel T4i [CR2]
« Reply #50 on: December 06, 2011, 06:34:51 PM »
It doesn't seem plausible to me that Canon would release a 24mp APS-C sensor. According to Canon themselves, their BEST L-series lenses are only capable of resolving about 45mp of detail in a Full-Frame image circle. The current generation of Canon's 18mp APS-C sensors have exactly the same density as a 46.7mp full frame sensor, which would mean that a 24mp APS-C sensor would far outresolve any lens Canon has on the market right now, and probably for several years to come at least.

I think it would be far more beneficial to Canon to work on the IQ of their current 18mp APS-C sensors than to try and boost megapixels any farther. The only area where more megapixels makes sense is in larger sensors, and given they have dropped APS-H (or seemingly so), that means full-frame sensors.

Edwin Herdman

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Re: Canon EOS Rebel T4i [CR2]
« Reply #51 on: December 07, 2011, 01:27:19 AM »
<strong>The next Rebel

</strong>I received some early specs about the coming update to the T3i. We’re told to expect it before CP+ in February.</p>
<p>The camera will probably be a new 24mp APS-C sensor and run a DIGIC 5 processor. The DIGIC 5+ won’t be used.</p>
<p>Expect some standard upgrades in ISO performance, HD movie modes and some creative control updates. The final spec list is not yet finalized.</p>
<p>It was mentioned that Canon may keep the new sensor for a 60D upgrade, with the next Rebel sticking at 18mp.</p>
<p><strong><span style=\"color: #ff0000;\">c</span>r</strong></p>
[/html]
Is "the next Rebel" the next entry-class Rebel after the T4i, i.e. a T4?  Because, obviously, the T4i could be "the next Rebel" we are likely to see.  This has been confusing me ever since the post went up.

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Re: Canon EOS Rebel T4i [CR2]
« Reply #51 on: December 07, 2011, 01:27:19 AM »

neuroanatomist

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Re: Canon EOS Rebel T4i [CR2]
« Reply #52 on: December 07, 2011, 06:38:51 AM »
Is "the next Rebel" the next entry-class Rebel after the T4i, i.e. a T4?  Because, obviously, the T4i could be "the next Rebel" we are likely to see.  This has been confusing me ever since the post went up.

The same Rebel, I think.  In other words, the T4i will probably have a new 24MP sensor, but Canon may use that new 24MP sensor in the 70D and keep the T4i at 18MP.  At least, that's how I read it.
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Lee Jay

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Re: Canon EOS Rebel T4i [CR2]
« Reply #53 on: December 07, 2011, 09:08:37 AM »
According to Canon themselves, their BEST L-series lenses are only capable of resolving about 45mp of detail in a Full-Frame image circle.

If Canon ever said that, whoever said it was about as clueless as clueless can get.  A 1.4x TC is about the same as doubling pixel count.  Do you seriously believe that a 400/2.8 can only support a single 1.4x teleconverter on a 5D II?  If so, look at this:

http://forums.dpreview.com/forums/read.asp?forum=1029&message=37493247

That's 4x worth of TCs on a 400/2.8 on a 7D!  That's the equivalent of 737MP on a full-frame sensor.

I routinely use a 2x on my old 70-200/2.8 on a 20D - the equivalent of 32MP on 1.6-crop or 84MP on full-frame - and get pixel-sharp shots (which shows I'm still undersampling).  The new 70-200 is much better than the old one, and has been shown to support stacked 2x and 1.4x on the 7D (the equivalent of 144MP on 1.6-crop or 369MP on full-frame).  The best primes are better.

K-amps

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Re: Canon EOS Rebel T4i [CR2]
« Reply #54 on: December 07, 2011, 10:05:07 AM »
 Neuro... have you stacked the 1.4 + 2x on the 70-200mkii ?
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neuroanatomist

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Re: Canon EOS Rebel T4i [CR2]
« Reply #55 on: December 07, 2011, 10:32:41 AM »
Neuro... have you stacked the 1.4 + 2x on the 70-200mkii ?

No, I haven't tried that (yet).  I can, if there's interest.  I've been considering doing a comparison set between 70-200 II with single and stacked TCs, 100-400mm with single TCs, and then cropping everything to the same FoV (equivalent to the longest, i.e. 100-400 + 2x), in decent light (unlike the one time I tried the 100-400+2x), and seeing which gives the best results...
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K-amps

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Re: Canon EOS Rebel T4i [CR2]
« Reply #56 on: December 07, 2011, 02:17:44 PM »
Neuro... have you stacked the 1.4 + 2x on the 70-200mkii ?

No, I haven't tried that (yet).  I can, if there's interest.  I've been considering doing a comparison set between 70-200 II with single and stacked TCs, 100-400mm with single TCs, and then cropping everything to the same FoV (equivalent to the longest, i.e. 100-400 + 2x), in decent light (unlike the one time I tried the 100-400+2x), and seeing which gives the best results...

I am very curious... if it is decent, I might just splurge on a TC myself...  ;D
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Sunnystate

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Re: Canon EOS Rebel T4i [CR2]
« Reply #57 on: December 07, 2011, 03:52:54 PM »
Lol!

Sometimes, I wonder if naive salesperson from BestBuy is more ridiculous to give an advice than stack holder pretending to be know it all photographer?  ;)




As for moonlighting, "This new Rebel camera is a great choice - just came out and has LOTS of megapixels. You should also get this great second lens with a BIG zoom.  You'll need these Promaster protection filters, has 'pro' in the name 'cuz they're what the pros use. Oh, and you really need to get the great extended warranty we offer - it covers everything, no fine print, honest!"

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Re: Canon EOS Rebel T4i [CR2]
« Reply #57 on: December 07, 2011, 03:52:54 PM »

Edwin Herdman

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Re: Canon EOS Rebel T4i [CR2]
« Reply #58 on: December 07, 2011, 05:32:02 PM »
Is "the next Rebel" the next entry-class Rebel after the T4i, i.e. a T4?  Because, obviously, the T4i could be "the next Rebel" we are likely to see.  This has been confusing me ever since the post went up.

The same Rebel, I think.  In other words, the T4i will probably have a new 24MP sensor, but Canon may use that new 24MP sensor in the 70D and keep the T4i at 18MP.  At least, that's how I read it.
A clarification on this point from CRguy would be helpful.

wickidwombat

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Re: Canon EOS Rebel T4i [CR2]
« Reply #59 on: December 07, 2011, 06:04:09 PM »
Neuro... have you stacked the 1.4 + 2x on the 70-200mkii ?

No, I haven't tried that (yet).  I can, if there's interest.  I've been considering doing a comparison set between 70-200 II with single and stacked TCs, 100-400mm with single TCs, and then cropping everything to the same FoV (equivalent to the longest, i.e. 100-400 + 2x), in decent light (unlike the one time I tried the 100-400+2x), and seeing which gives the best results...

I am very curious... if it is decent, I might just splurge on a TC myself...  ;D

i am very happy with my kenko one on all my lenses and testing the 1.4 I found stopping down one more stop from the new wide apperture yields equivelant IQ to the native lens widest apperture ie 70-200 f2.8 put the Tc on at 280mm f5.6 IQ is the same as at 200 f2.8

and it works on all lenses great on the 50 f1.4 to give it a little more reach too
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Re: Canon EOS Rebel T4i [CR2]
« Reply #59 on: December 07, 2011, 06:04:09 PM »