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Messages - neuroanatomist

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7966
EOS Bodies - For Stills / Re: Canon EOS M System Announced
« on: July 23, 2012, 12:43:51 PM »
Frankly, the G line is dead.

...until the G2 X comes out next year, at any rate.  The G1 X is outselling the Nikon 1 on Amazon.  Believe it or not, there are people out there that don't want to muck about with changing lenses.  Just no one on this forum...

The EOS-M is being introduced at the exact same price as the G1 X -- that alone should be all the confirmation you need of the demise of the G line.

There are like 20 PowerShots all within a few $$ of each other.  How does the fact that two different types of cameras have a similar price mean one is going away?

7967
EOS Bodies / Re: More Coverage of the Canon EOS M
« on: July 23, 2012, 12:33:52 PM »
I don't think it's at all a coincidence that this is priced exactly the same as the G1 X. And I can't think of a single reason why I'd personally choose a G1 X over the EOS-M.

Actually, I can only think of one reason I'd buy any camera sized in between the most compact of high-end P&S (S100, Sony RX100) and a full-on dSLR - diving without the exhorbitant cost of a full dSLR housing and port(s).  The combination of the G1 X and the WP-DC44 gets you an APS-C sized sensor down to 130' and costing $1K.

7968
Software & Accessories / Re: Circular polarizer on a UWA lens
« on: July 23, 2012, 12:24:40 PM »
I think someone else pointed out not all filters are the same of course.  I've had excellent success with the Marumi specifically the Super DHG model which received one of the highest ratings.  Go to this link and scroll down to vignetting then note they took first place just below that section

http://www.lenstip.com/115.24-article-Polarizing_filters_test_Marumi_DHG_Super_Circular_P.L.D_72_mm.html


But do note that even the absolute best quality CPL will still show uneven polarization with UWA lenses, unless Marumi has developed a filter that changes the basic laws of optical physics...

7969
EOS Bodies - For Stills / Re: Canon EOS M System Announced
« on: July 23, 2012, 12:15:13 PM »
$200 seems "gougey", like Canon is saying "you have no choice, so pay up!"

Lol.  Ever buy a Canon-branded lens hood?!?

7970
Response from Canon Tech Support:

Quote from: Canon Tech Support
I have sent this information to our engineers for review.  Please keep an eye on our website for any firmware updates that may become available to resolve this issue.

7971
I use Aperture, but only for library management.  I use DxO Optics Pro as my RAW converter - I think it handles ISO noise better, and the lens corrections are matched to specific bodies (unlike LR, for example).

7972
EOS Bodies - For Stills / Re: Why 18MP???
« on: July 23, 2012, 08:13:22 AM »
I was just curious if anyone had a theory as the the 18MP "wall" that Canon has seemed to hit.

I do not believe that the "wall" is technical - remember the 120 MP APS-H sensor?

Rather, it's marketing- and profit-based.  Marketing, because the T4i/650D and EOS M were the first products to be released with the new APS-C sensor, and they're consumer products. It wouldn't do (from Canon's viewpoint) to have higher MP in a lower consumer product (although they've done it in the pro segment).  It would not surprise me to see a 7DII or 70D get a higher MP APS-C sensor with the phase AF.  Profit, because the more times they can re-use an already-developed component, the less R&D drain on revenue.

7973
EOS Bodies - For Stills / Re: Why 18MP???
« on: July 22, 2012, 11:30:06 PM »
There are two 'flavors' of the 18 MP APS-C sensor.  The first was launched in the 7D, and re-used in the T2i/550D, 60D, and T3i/600D.  That sensor was modified (or redesigned, if you prefer) for the T4i/650D - multiple clusters of photosites dedicated to phase detect AF directly on the CMOS image sensor were added.  In the 650D, they provide phase AF during video shooting.  It's that latter, 'new' (sort of) 18 MP sensor that I presume is being used in the EOS M, allowing it to feature phase detect AF without a reflex mirror, instead of only contrast detect AF. 

I'd almost go so far to say that this reworked 18 MP sensor was mainly intended for the new mirrorless body (since fast AF is desirable), and also used in the T4i (although the dSLR launched first).

7974
EOS Bodies / Re: Canon EOS M Specs
« on: July 22, 2012, 06:45:49 PM »
For those who don't get this camera, let me suggest that we may not understand the generational and cultural differences.

Hey - who you callin' old?!?   :P

7975
EOS Bodies / Re: 5D Mark III in camera lens aberration correction
« on: July 22, 2012, 05:53:49 PM »
Does EACH lens have to be attached to the camera for it to receive the data? If so, what is accomplished by checking all the combinations of lenses and teleconverters?

Also, how do I import data for a Canon lens not on the list?

No, you just need to use EOS Utility (with the camera connected to your computer) to load the profiles onto the camera. There's a limit to the number it will hold (don't recall, I know it's 20 on older bodies, maybe 30 on the 5DIII?).

If the lens profile isn't in EOS Utility, it's not available.  I expect Canon will add to the list over time, but likely there's little incentive to add old lenses.

7976
EOS Bodies / Re: Canon EOS M Specs
« on: July 22, 2012, 05:18:01 PM »
Please could someone clarify for me how this camera does phase detect AF. Is there some kind of technical white paper I could read to help me understand it? Thanks.

Presumably, the same way the T4i/650D does PDAF during video (when the mirror is up).  There are several clusters of photosites on the CMOS image sensor that are dedicated to phase AF (and not used for imaging). 

7977
Yep, it's big!

Technically, it doesn't charge two at once - you can put two on, but it will charge them sequentially, not simultaneously.

The large size of the charger was one main reason I bought a second battery - for short trips, that's easier to pack than the charger!

7978
EOS Bodies / Re: Canon EOS M Specs
« on: July 22, 2012, 09:52:56 AM »
... I can also use as a wildlife shooter with the focal length extending crop factor, assuming it can really handle the longer L lenses.

I'm sure it can 'handle' them. I'm not at all sure it will focus fast enough to be a good wildlife camera.

7979
I tried with 2 lens : EF 16-35 L II and EF 40 STM.
Before I clear all camera settings (setup menu 4) and clear all custom functions (C.Fn menu 7). 
Indeed, this solution works... but partially.
I explain : the EF 40 STM have a chip with the serial number, the EF 16-35 no.
If I enter a serial number for the 16-35 and micro-adjustement setting, then I change lens with the pancake 40mm, the camera recognizes a new lens...
Finally, do not enter a serial number for lens that do not...for backing settings.
But it works randomly...

Not sure I understand...    After entering a serial number and AFMAs for the 70-200 II (not chipped for serial number), I can switch back and forth between the 70-200 II and the 40mm pancake, and the AFMA and serial number are retained and shown (as long as the orientation-linked AF point setting is left on default).

Can you explain in more detail, please?

7980
EOS Bodies - For Stills / Re: 1DX err80
« on: July 22, 2012, 04:27:11 AM »
Haven't seen this, no.

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