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Archive 2011 · Giving up 5D II for NEX? My experience in Japan

  
 
wfrank
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p.7 #1 · Giving up 5D II for NEX? My experience in Japan


sebboh wrote:
....

i'll agree that the NEX can't really match the dof of a 35/1.4 on FF, and this is really the only reason i ever think of getting a FF camera, but you can certainly get just the eyes of a small dog in focus with everything blurred to oblivion with the NEX. i don't have any similar examples as i generally prefer my noses to be a bit less blurred than that but here's two examples of what is possible with the nex's sensor:
http://farm5.static.flickr.com/4133/5196028870_65910b9074_b.jpg


This looks good, what lens is that - the Rokkor proving itself yet again??

sebboh wrote:
where the NEX loses out is when you want to include more of the environment in the portrait while still having a narrow dof. i'm always tempted to get an a900 just to shoot a c/y 35/1.4 and rokkor 58/1.2 wide open for these types of shots, but i just don't think i'd use it often enough. of course medium or large format is really the way to go if that kind of shooting is your thing...


Well, if digital medium format where economically available to us common people that would be my thing .. the (applied) invention of pupil controlled laser AF would help too :-)



Nov 15, 2011 at 01:12 PM
wfrank
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p.7 #2 · Giving up 5D II for NEX? My experience in Japan


briantho wrote:
Could you explain this a bit more? From my experience you can get razor thin dof with the NEX depending on the lens.



Yes you can, but you need a longer focal length, that's the point. Or you could pay ridiculous money for a fast short focal range lens (equalling the price of say 5 Canon L primes or 10+ NEX bodies or so) - and just get close.

Nice images BTW.




Nov 15, 2011 at 01:23 PM
AhamB
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p.7 #3 · Giving up 5D II for NEX? My experience in Japan


wfrank wrote:
Well, if digital medium format where economically available to us common people that would be my thing .. the (applied) invention of pupil controlled laser AF would help too :-)


Canon EOS 3/30/5/50E? They all had eye controlled AF. What's wrong with focusing through a ground glass by the way?



Nov 15, 2011 at 01:39 PM
sebboh
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p.7 #4 · Giving up 5D II for NEX? My experience in Japan


wfrank wrote:
This looks good, what lens is that - the Rokkor proving itself yet again??


that is the olympus pen f 42/1.2, my most used lens on the NEX, a wonderfully tiny f/1.2 half frame lens. the other shot was with the rokkor.

Edited on Nov 15, 2011 at 01:43 PM · View previous versions



Nov 15, 2011 at 01:42 PM
denoir
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p.7 #5 · Giving up 5D II for NEX? My experience in Japan


briantho wrote:
When I say identical, I mean that the visual coverage is identical. The image looks exactly the same. Of course this means that the FF image will have less pixels than the APS-C image. That's exactly the point I'm trying to make...



And you'll end up with one larger image with poor image quality and one smaller with high image quality. What of it? You can only compare quality in a meaningful way if you make the images such that the visual elements are of the same size.



Nov 15, 2011 at 01:43 PM
briantho
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p.7 #6 · Giving up 5D II for NEX? My experience in Japan


denoir wrote:
And you'll end up with one larger image with poor image quality and one smaller with high image quality. What of it? You can only compare quality in a meaningful way if you make the images such that the visual elements are of the same size.


Do you mean that an unmodified/unresized/untouched NEX image is always of poor image quality or am I misunderstanding you again?



Nov 15, 2011 at 01:47 PM
denoir
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p.7 #7 · Giving up 5D II for NEX? My experience in Japan


Poorer quality compared to the FF shot. As I've shown you in a bunch of examples both with the NEX, the 7D, the 5DII and the M9.


Nov 15, 2011 at 01:51 PM
briantho
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p.7 #8 · Giving up 5D II for NEX? My experience in Japan


OK, let's end this here then

Anyway... now that we've solved this, should we start discussing if medium format lenses really perform worse on APS-C than on MF or FF?



Nov 15, 2011 at 01:55 PM
denoir
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p.7 #9 · Giving up 5D II for NEX? My experience in Japan


Don't get me started - (unsurprisingly) I have an opinion on that as well


Nov 15, 2011 at 01:57 PM
briantho
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p.7 #10 · Giving up 5D II for NEX? My experience in Japan


No doubt

But let's have that discussion later



Nov 15, 2011 at 02:00 PM
douglasf13
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p.7 #11 · Giving up 5D II for NEX? My experience in Japan


denoir wrote:
What would happen if we magnified the FF image to match the crop - i.e is there an advantage to doing it optically with a crop sensor rather than in photoshop?

http://peltarion.eu/img/comp/ffvcrop/C_crops.jpg

The answer is yes, and that's what the author of the text was talking about - if you magnify something it gets larger and you see more detail. What he didn't say is that the price is a significant drop in quality. So you do get a bit more magnification and can see more detail, but it's at the expense of a narrow field of view and that the quality
...Show more

Just to be clear, are you saying the 5Dii crop looks better than the 7D here?

I also had another question. I'm seeing some mention that the DOF of a 35/1.4 on FF DSLR is similar to medium format. On 6x6, that would be around a 60/1.8, which I haven't really seen. Is there a wide, medium format lens that fast?

Edited on Nov 15, 2011 at 02:05 PM · View previous versions



Nov 15, 2011 at 02:01 PM
Beni
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p.7 #12 · Giving up 5D II for NEX? My experience in Japan


This is an interesting discussion. I have been musing of late about the idea of using a NEX 5N to replace my 5Dc for walk around and project shooting. I'm not really a wide angle shooter, 50mm (FF) is my preferred focal length and a 100mm or so for stitching. I've been working hard enough already to find a 50mm which would give me a superior wide open drawing, I found my match with the help of this board with the Takumar Super 50mm f1.4 lens which has just the right combination of rendition, dreaminess and price/size for my work. I've been doing a lot of looking around and don't see a 35mm f1.4 lens which would provide that look other than the super expensive 35mm pre-asph summilux. I've also yet to test side by side to see if even the incredible chip in that 5N can provide the same tonality and quality that I'm so blessed with on the the 5Dc.


Nov 15, 2011 at 02:03 PM
denoir
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p.7 #13 · Giving up 5D II for NEX? My experience in Japan


douglasf13 wrote:
Just to be clear, are you saying the 5Dii crop looks better than the 7D here?


No, the 7D looks a bit better. The 5DII is a 160% crop while the 7D is a 100% crop.

I also had another question. I'm seeing some mention that the DOF of a 35/1.4 on FF DSLR is similar to medium format. On 6x6, that would be around a 60/1.8, which I haven't really seen. Is there a wide, medium format lens that fast?

On 6x7 a 70mm f/2.8 lens would be the equivalent of 35 f/1.4 on 24x36:

http://www.pointsinfocus.com/2010/09/depth-of-field-and-equivalent-lens-calculator/

The traditional MF kit lens is an 80 f/2.8 which is the equivalent to a 40mm f/1.4. 35mm is not far away from that which is why I suppose why people make the connection.



Nov 15, 2011 at 02:21 PM
douglasf13
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p.7 #14 · Giving up 5D II for NEX? My experience in Japan


denoir wrote:
No, the 7D looks a bit better. The 5DII is a 160% crop while the 7D is a 100% crop.

On 6x7 a 70mm f/2.8 lens would be the equivalent of 35 f/1.4 on 24x36:

http://www.pointsinfocus.com/2010/09/depth-of-field-and-equivalent-lens-calculator/

The traditional MF kit lens is an 80 f/2.8 which is the equivalent to a 40mm f/1.4. 35mm is not far away from that which is why I suppose why people make the connection.


Yeah, I only own 6x6, so an 80/2.8 is a little closer to a standard lens at f1.5 on FF DSLR, or f1.8 with 645, so a 35/1.4 on FF DSLR is wider and faster than what I'm used to with medium format.



Nov 15, 2011 at 02:36 PM
Sami Ruusunen
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p.7 #15 · Giving up 5D II for NEX? My experience in Japan


35mm lens on FF and 70mm lens on 6x7 gives you different fov, so even if the dof is same the image will be completely different right?


Nov 15, 2011 at 02:48 PM
douglasf13
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p.7 #16 · Giving up 5D II for NEX? My experience in Japan


Sami Ruusunen wrote:
35mm lens on FF and 70mm lens on 6x7 gives you different fov, so even if the dof is same the image will be completely different right?


They're pretty close, but, yes, they are a little different. 70mm on 6x7 is about equivalent to 40mm on 135 DSLR.



Nov 15, 2011 at 03:02 PM
sebboh
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p.7 #17 · Giving up 5D II for NEX? My experience in Japan


douglasf13 wrote:
They're pretty close, but, yes, they are a little different. 70mm on 6x7 is about equivalent to 40mm on 135 DSLR.


and of course 6x7 is a very different ratio than 2x3.



Nov 15, 2011 at 03:34 PM
uhoh7
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p.7 #18 · Giving up 5D II for NEX? My experience in Japan


We know we want/need FF EVIL with short register: who's going to make it? You have to wonder if the ice has begun to melt at Caniikon with the buzz around the n7. They have to see the first to the plate is going to have us flipping somersaults. Of course they need to go from the start with a sensor that can work with the wides. Too bad Kodak, who has already produced one, is heading for catastrophe.

Its a make do world. With m9 you make due for the fact you can't count on it--and you're broke. With 5D you make due with the fact its a fat slob. With 5n you make due with the crop--and possibly ergos. With n7--we'll make due again with the crop and maybe the old colorshifts again.

below skopar 35/2.5 with 5n at f/11
http://farm7.static.flickr.com/6047/6347886135_5d6ab11e58_b.jpg

wow that looks better. We'll see what it does with overcast.

It's such a pleasure to walk out the door with a skopar kit + some compact longer lenses.

Today I just had 21/35/skopars 50 cron, 75 cv and a teleelmarit I'd stopped taking them with the 5 so I would have to hassle in PP.

Now I need to see if the sel16 wide world is better

Oh, a bit more torture in search of shallow DOF wide FOV
http://farm7.static.flickr.com/6228/6347218322_95ba3d5fa5_b.jpg
CV 35/1.2 v1 God, I love that thing. Just checked and it's not way off the skopar stopped down either.

100s
http://farm7.static.flickr.com/6107/6347988125_e39bcfb5e0_o.jpg
http://farm7.static.flickr.com/6224/6348738886_ede06d0e49_o.jpg
skopar/nokton

The nokton is also fine in the corners---much better than the 35/1.4

Edited on Nov 15, 2011 at 04:48 PM · View previous versions



Nov 15, 2011 at 03:59 PM
AhamB
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p.7 #19 · Giving up 5D II for NEX? My experience in Japan


Beni wrote:
I've been doing a lot of looking around and don't see a 35mm f1.4 lens which would provide that look other than the super expensive 35mm pre-asph summilux.


Have you looked at the Voigtländer 35/1.2? Seems to be a very good lens.



Nov 15, 2011 at 04:30 PM
uhoh7
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p.7 #20 · Giving up 5D II for NEX? My experience in Japan


AhamB wrote:
Have you looked at the Voigtländer 35/1.2? Seems to be a very good lens.


Here so you can see size:
http://farm7.static.flickr.com/6098/6348843976_4b8b1fa1d6_z.jpg

about the size of the kit + 320 grams or so w/ adapter
v1 runs about 850USD



Nov 15, 2011 at 05:19 PM
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