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Honored Contributor
Posts: 7,604
Registered: ‎08-13-2015

Re: DSLR prices in Canon store


@RobertTheFat wrote:

@Waddizzle wrote:

@TCampbell wrote:

 

There are still trade-offs to mirrorless cameras.  Without a reflex mirror and focusing screen, the sensor is always powered up to be able to frame and focus any shot.  That will translate into more battery power.   While Canon's Dual-Pixel CMOS AF system works well, I don't think it is as fast as Canon's sports bodies.  I'm not sure how it performs for action-photography. 

 


I am guessing that you mean the “the sensor is always powered up” whenever the camera is “awake”.  I think DPAF in the EOS-R represents a third generation of the technology.  I suspect the focusing system is more than capable.  It is lens selection that just may be holding it back from competing with DSLRs and current lenses.

 

The first generation of DFAF was found in cameras like the 7D Mark II and 70D worked quite well in Live View mode.  When used for video, there was a noticeable lag when the AF system would try to track a moving subject.  You could lock on a face.  If the face moved to a different distance, and then stopped, the face would be out of focus during the movement, and then snap into focus a moment after the face stopped.

 

What seems to be the 2nd generation of DPAF is found in the 80D, and 6D Mk II.  When used for video, the noticeable lag when tracking a moving face is arguably absent.  But, this performance is only available with just a few STM zoom lenses.  You will not get this level of facial tracking with other Canon lenses.

Along comes the EOS-R with a new AF system, mount adapters, and a handful of new RF lenses.  These new RF lenses ARE capable of using all of the Movie Servo AF features.  Video must update focus a LOT faster than a DSLR in a continuous shooting mode.  

 

The ability to accurately track moving subjects seems to already be in the EOS-R.  I do not see any lenses that are typically used for action photography out there that can realize the capability that already seems to be built into the camera.


You've got me a bit confused. What is DFAF? You must mean DPAF? But the 7D2 doesn't hav (any generation of) DPAF, does it?


Yeah, that is a typo.  Do not forget, technically I am legally blind.  

https://shop.usa.canon.com/shop/en/catalog/eos-7d-mark-ii-body-wi-fi-adapter-kit

 

The 7D Mark II has DPAF, as well as the 7D.  But, it was geared up for Live View shooting, not so much for video.

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"I don't rent software. I use Photoshop CS6, ACR 9.8 and Lightroom 6.8 ."
Esteemed Contributor
Posts: 4,808
Registered: ‎06-25-2014

Re: DSLR prices in Canon store


@Waddizzle wrote:

The 7D Mark II has DPAF, as well as the 7D.  But, it was geared up for Live View shooting, not so much for video.


I stand corrected on the 7D2. The manual does indeed say that it has DPAF.

 

But the word "dual" appears in the 7D manual only in connection with the number of DIGIC processors the camera has. I'm almost sure the 7D doesn't have DPAF.

Bob
Boston, Massachusetts USA
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Re: DSLR prices in Canon store

"The manual does indeed say that it has DPAF."

 

Never argue with a guy that lives to read manuals and reviews.  Smiley Frustrated

EOS 1DX and 1D Mk IV, along with less and less other stuff.
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Honored Contributor
Posts: 7,604
Registered: ‎08-13-2015

Re: DSLR prices in Canon store


@RobertTheFat wrote:

@Waddizzle wrote:

The 7D Mark II has DPAF, as well as the 7D.  But, it was geared up for Live View shooting, not so much for video.


I stand corrected on the 7D2. The manual does indeed say that it has DPAF.

 

But the word "dual" appears in the 7D manual only in connection with the number of DIGIC processors the camera has. I'm almost sure the 7D doesn't have DPAF.


You are correct about the 7D.  I believe Canon’s Dual Pixel AF was introduced in the 70D, not the 7D.

In any case, that first generation was an improvement in Live View focusing accuracy.  The 2nd generation found in the 7D2 could track in Live View.  It was not until what seems to be a third generation, first introduced in the 80D, that could perform smooth Movie Servo AF.

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"I don't rent software. I use Photoshop CS6, ACR 9.8 and Lightroom 6.8 ."
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