Do any MFT cameras have PDAF or "Hybrid" AF?

Started Nov 11, 2012 | Discussions
Shop cameras & lenses ▾
Alex Notpro
Alex Notpro Contributing Member • Posts: 982
Do any MFT cameras have PDAF or "Hybrid" AF?
1

Basically I like the NEX-5R but would prefer it had an MFT lens mount... Does something like this exist?

 Alex Notpro's gear list:Alex Notpro's gear list
Leica Nocticron 42.5mm Sony FE 35mm F1.4 Sony Alpha 7 Sony a5100 Panasonic Lumix G Vario 7-14mm F4 ASPH +17 more
NEX5R
If you believe there are incorrect tags, please send us this post using our feedback form.
rrr_hhh Veteran Member • Posts: 6,020
Re: Do any MFT cameras have PDAF or "Hybrid" AF?

Alex Notpro wrote:

Basically I like the NEX-5R but would prefer it had an MFT lens mount... Does something like this exist?

All mft cameras ar CDAF (contrast detection auto focus), none is hybrid. I thought that the Nex were all CDAF only too ?

-- hide signature --

rrr_hhh

 rrr_hhh's gear list:rrr_hhh's gear list
Olympus OM-D E-M5 Canon EOS 6D Sony Alpha 7R Olympus E-M5 II Sony Alpha 7R II +4 more
Shawn67 Senior Member • Posts: 1,113
Re: Do any MFT cameras have PDAF or "Hybrid" AF?

" I thought that the Nex were all CDAF only too ? "

Sony added on sensor PDAF to the NEX-5R.

Shawn

sb123 Senior Member • Posts: 1,157
Re: Do any MFT cameras have PDAF or "Hybrid" AF?

No, but the new Panasonics, the G5 and the GH3, as well as the EM5 all have fast and effective CDAF, including working AFC functions (at least with some lenses), so there is no need for PDAF, and that will soon be true for the entire MFT universe.

-- hide signature --

Steve Barnett

Shawn67 Senior Member • Posts: 1,113
Re: Do any MFT cameras have PDAF or "Hybrid" AF?
4

"so there is no need for PDAF"

As an owner of the OMD I strongly disagree with that.

On the OMD use AFC on a subject that isn't moving and it is constantly hunting back and forth to keep confirming focus.

Use AFC on a PDAF camera and it will lock on to a static subject and have no need to keep hunting.

Shawn

FrankParis Senior Member • Posts: 1,042
Re: Do any MFT cameras have PDAF or "Hybrid" AF?

Shawn67 wrote:

As an owner of the OMD I strongly disagree with that.

On the OMD use AFC on a subject that isn't moving and it is constantly hunting back and forth to keep confirming focus.

Use AFC on a PDAF camera and it will lock on to a static subject and have no need to keep hunting.

The "constant hunting" as you call it is absolutely no problem at all. Just press the shutter release and the picture will be taken dead on more than 1/10 of a second later. So your "strong disagreement" is meaningless. Aside from that, I've found that most of the time the "constant seeking" you're talking about doesn't happen at all and, to quote you, "it will lock on to a static subject and have no need to keep hunting." I don't know what the problem is that you have with the OMD autofocusing. It is magnificent.

-- hide signature --

Frank Paris

 FrankParis's gear list:FrankParis's gear list
Olympus PEN E-PM1 Panasonic Leica D Summilux Asph 25mm F1.4 Olympus M.Zuiko Digital ED 75-300mm 1:4.8-6.7 Olympus M.Zuiko Digital 14-42mm 1:3.5-5.6 II R Olympus M.Zuiko Digital ED 40-150mm 1:4-5.6 R +7 more
guybie Contributing Member • Posts: 799
Re: Do any MFT cameras have PDAF or "Hybrid" AF?

I hope this statement is based on your experience?

Because i don't have this experience with my GH2 for BIF!

 guybie's gear list:guybie's gear list
Olympus XZ-2 iHS Panasonic Lumix DMC-FZ1000 Canon EOS 7D Mark II Canon EF 70-200mm f/2.8L IS II USM Canon Extender EF 1.4x III +5 more
sb123 Senior Member • Posts: 1,157
Re: Do any MFT cameras have PDAF or "Hybrid" AF?

it is very much based on my experience. Just about every day since I got the G5 I've shot BIF, and AFC works time after time without a problem. My SLR should be so good.  The GH2 is not nearly as good. With the 75-300 it works in AFC mode. It does not work usably with the 100-300.

-- hide signature --

Steve Barnett

Ulfric M Douglas Veteran Member • Posts: 4,549
G5 BIF

sb123 wrote:

it is very much based on my experience. Just about every day since I got the G5 I've shot BIF, and AFC works time after time without a problem. My SLR should be so good. The GH2 is not nearly as good. ...

Steve that sounds very interesting : maybe birders should be looking to get a G5 if they have m4/3rds lenses.

Did you make a thread detailing your findings?

Andy Crowe Senior Member • Posts: 1,587
Not yet, possibly next OMD

Basically I like the NEX-5R but would prefer it had an MFT lens mount... Does something like this exist?

None do yet, Olympus is rumoured to be using it in their next OMD to improve 4/3rds lens performance, but nothing is confirmed yet

marike6 Veteran Member • Posts: 5,071
Re: Do any MFT cameras have PDAF or "Hybrid" AF?
1

FrankParis wrote:

Shawn67 wrote:

As an owner of the OMD I strongly disagree with that.

On the OMD use AFC on a subject that isn't moving and it is constantly hunting back and forth to keep confirming focus.

Use AFC on a PDAF camera and it will lock on to a static subject and have no need to keep hunting.

The "constant hunting" as you call it is absolutely no problem at all. Just press the shutter release and the picture will be taken dead on more than 1/10 of a second later. So your "strong disagreement" is meaningless. Aside from that, I've found that most of the time the "constant seeking" you're talking about doesn't happen at all and, to quote you, "it will lock on to a static subject and have no need to keep hunting." I don't know what the problem is that you have with the OMD autofocusing. It is magnificent.

His strong disagreement is not meaningless as he's 100% correct.  Why do you think Nikon spent four years developing on sensor PDAF of the Nikon 1?  For predictive AF tracking CAF simply cannot keep up with fast moving subjects.  I don't know if anyone here has ever tried a Nikon 1 for BIF or sports or action, but in AFC it can track a moving subject with great accuracy, similar to a pro DSLR.

Sony understands this and has implemented PDAF in the NEX-5R.

 marike6's gear list:marike6's gear list
Nikon Coolpix P330 Panasonic Lumix DMC-GH2 Nikon D800 Fujifilm X-E1 Panasonic Lumix G 20mm F1.7 ASPH +7 more
thinkfat Senior Member • Posts: 1,185
No, and I'm not sure you'll want that.

All current implementations of the "Hybrid AF", i.e. PDAF on main image sensor suffer from erratic performance. EOS-M is slow, all Fujifilm (including X-Pro1) are OK only in good light, etc. Good tracking doesn't automatically go together with PDAF as a technology. My EOS 5D MkII is able to track subjects only in good light and using the center AF point, and that's with a dedicated AF sensor!

-- hide signature --

Everybody loves gadgets, until they try to make them
http://www.flickr.com/photos/thinkfat
http://thinkfat.blogspot.com

 thinkfat's gear list:thinkfat's gear list
Canon EOS 5D Mark II Panasonic Lumix DMC-GH1 Panasonic Lumix G Vario 14-45mm F3.5-5.6 ASPH OIS Canon EF 50mm f/1.4 USM Canon EF 100mm f/2.0 USM +10 more
IrishhAndy
IrishhAndy Contributing Member • Posts: 868
Re: Do any MFT cameras have PDAF or "Hybrid" AF?
1

Alex Notpro wrote:

Basically I like the NEX-5R but would prefer it had an MFT lens mount... Does something like this exist?

No.  You need a dslr.

-- hide signature --

Without the darkness the light would be nothing !

sb123 Senior Member • Posts: 1,157
Re: G5 BIF

No, but it might be a good idea.  AFAIK no one else on this forum has tried the particular combination, G5 + 75-300.  If they haven't tried it they aren't qualified to tell me that it can't work. There is an undercurrent of AFC success with the EM5 and 75-300.  See Don Parrot's posts or Adventsam's recent owl posting.  And Trevor Carpenter is starting to post very nice shots of birds with the G5 + 100-300 including some BIFs.

-- hide signature --

Steve Barnett

Shawn67 Senior Member • Posts: 1,113
Re: Do any MFT cameras have PDAF or "Hybrid" AF?

" I don't know what the problem is that you have with the OMD autofocusing."

My "problem" is simply that I have had far better AFC on cameras that use PDAF.

Shawn

Cane Senior Member • Posts: 6,900
Re: Do any MFT cameras have PDAF or "Hybrid" AF?
1

FrankParis wrote:

Shawn67 wrote:

As an owner of the OMD I strongly disagree with that.

On the OMD use AFC on a subject that isn't moving and it is constantly hunting back and forth to keep confirming focus.

Use AFC on a PDAF camera and it will lock on to a static subject and have no need to keep hunting.

The "constant hunting" as you call it is absolutely no problem at all. Just press the shutter release and the picture will be taken dead on more than 1/10 of a second later. So your "strong disagreement" is meaningless. Aside from that, I've found that most of the time the "constant seeking" you're talking about doesn't happen at all and, to quote you, "it will lock on to a static subject and have no need to keep hunting." I don't know what the problem is that you have with the OMD autofocusing. It is magnificent.

-- hide signature --

Frank Paris

Yes, and how dare you say anything negative about the greatest camera ever built. You've insulted Franks mother with that thinking!

brunobarolo Senior Member • Posts: 1,051
Re: Do any MFT cameras have PDAF or "Hybrid" AF?

Knowing that Sony meanwhile has the on sensor PDAF technology and that Oly buy their image sensors from Sony now, it's not that difficult to predict that at least high end Oly cameras will have on sensor PDAF quite soon.

dontfret
dontfret Senior Member • Posts: 1,973
Re: Do any MFT cameras have PDAF or "Hybrid" AF?

sb123 wrote:

it is very much based on my experience. Just about every day since I got the G5 I've shot BIF, and AFC works time after time without a problem. My SLR should be so good. The GH2 is not nearly as good. With the 75-300 it works in AFC mode. It does not work usably with the 100-300.

-- hide signature --

Steve Barnett

Steve, I've just received a G5 as a gift and am ordering lenses for birds and BIF.  I have a long history with FZ50 + Nikon TC17ED.  Any suggestions from you on G5 camera set up (# of focus points, AF-C, AF-F, i-Resolution, etc.) would be appreciated.  I'm about to order the 100-300 Panny, again any comments welcome.

-- hide signature --

Rich
Take many pictures - a few are keepers, the rest are are lessons.
http://lh3.google.com/firstqualityinc/R89BKIcX5hI/AAAAAAAABfM/bXE6o5D0cPY/s400/skimmer_filtered.jpg

 dontfret's gear list:dontfret's gear list
Panasonic Lumix DMC-FZ50 Panasonic Lumix DMC-G5 Panasonic Lumix DMC-GX7 Panasonic Lumix G 20mm F1.7 ASPH Panasonic Lumix G Vario 100-300mm F4-5.6 OIS +8 more
jl123 Regular Member • Posts: 226
why not look at the Nex6?

Seems to have the most advanced PDAF of their bunch? j

sb123 Senior Member • Posts: 1,157
Re: Do any MFT cameras have PDAF or "Hybrid" AF?

First is the choice of lens.  The 100-300 is a good lens but I would pick the 75-300 instead because of its faster AF.  It's more expensive but Oly often offers a rebate on it.  The lack of IS hasn't bothered me at all since the shutter speeds i want for BIF are higher than the range helped by IS.  The 1/2 stop slower lens speed is compensated, to me, by its frequently useful wider zoom range.

Usually I leave the camera on 23 point focus and AFC.  AF/AE lock is on and AF/AE lock hold is on.  This lets you lock the focus (same as AFS) if that's appropriate and if a green focus square is on your subject.  If more precision is needed, I enable the small single point focus from the left edge of the 4 way controller.

I'm still trying out the IR settings and can't say which is best. If you see sharpening artifacts, back off.

IQ is peak at 400 and that is fine for BIF in good light.  800 is still good, 1600 is acceptable, and 3200 can be used if you don't crop much.

Don Parrot claims that Vivid JPEG setting is best with the EM5 and AFC - I don't find this to be true with the G5.

Steve Barnett

Keyboard shortcuts:
FForum MMy threads