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Canon 35mm 1.4 on Canon 7D or Canon 50mm 1.2 on Canon 5D MKII?

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grigo

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Canon 35mm 1.4 served me well on 1.6 and 1.3 crop factor cameras (45-55mm equivalent). On full frame is kind of too wide for my type of shooting and my 85mm I find too long.

Should I buy Canon 50mm 1.2 (or Sigma 1.4) on my Canon 5DMkII or buy Canon 7D and mate it with my 35mm 1.4?

Thanks.
 
What are you trying to achieve exactly ?

yes the FOV might be the same or pretty similar but there will be difference in surch as DOP etc...
grigo said:
Canon 35mm 1.4 served me well on 1.6 and 1.3 crop factor cameras (45-55mm equivalent). On full frame is kind of too wide for my type of shooting and my 85mm I find too long.

Should I buy Canon 50mm 1.2 (or Sigma 1.4) on my Canon 5DMkII or buy Canon 7D and mate it with my 35mm 1.4?

Thanks.
Click to expand...
--
Vadim
http://www.vadimkrisyan.com
 
grigo said:
Should I buy Canon 50mm 1.2 (or Sigma 1.4) on my Canon 5DMkII or buy Canon 7D and mate it with my 35mm 1.4?
Click to expand...
The 35mm f1.4 on a crop sensor camera will have a similar field of view and depth of field as a 56mm f/2.2 lens on full frame. That is nearly 2 full stops more depth of field than a 50 f1.2L on full frame.
 
Looks like my low light indoor shooting is around 50mm FOV mostly at 1.4-2.8.

I completely forgot that on crop I loose some Fstops, very important for my type of shooting.

Thanks for replies.
 
no no ...on a crop you don't loose F-stops an 50 F1.2 will be always a f1.2

the equivalent depth of field is changing that's it ! a fast prime prme doesn't become
a slow one just because it's on a cropped camera

if you need shallower DOF, then you need the full frame camera
grigo said:
Looks like my low light indoor shooting is around 50mm FOV mostly at 1.4-2.8.

I completely forgot that on crop I loose some Fstops, very important for my type of shooting.

Thanks for replies.
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--
Vadim
 
You're right. DOF not F stops. My mind knew very well the concept but I got lost in terms.
Deeper DOF is giving the impression of a lower aperture.
F1.2 will always be f1.2 no matter the camera format.

So in conclusion, DOF will be less shallow on crop than full frame at higher apertures.

Thinking twice, even this I suspect is not really true but I have to read more to explain my doubt.

(I don't want to debate here IQ of the same lens on different camera formats if I go for 7D instead of 50mm 1.2)

Cris
 
if absolute shallow dof is your goal and you prefer shorter focal length than I would rather go full frame.

Even if I also like the 50mm fov on ff I like the 80mm fov of the 50mm/1.2 on crop too and it allows pretty shallow DOF.

I even often stop down to f 2.8 to have both eyes in focus and the background is still blurred.
 
Also, keep in mind with crop cameras you will lose a stop having to increase the shutter speed...

The rule of thumb is your minimum shutter speed should be 1/focal length on Full Frame cameras, and on 1.6x cameras it should be 1/focal length * 3

So you can hand hold the the 50mm f/1.2L on a 5d2 at 1/50 shutter speed...

If you put the 35mm f/1.4L on the 7d, you are looking at a 1/100th althouth you might be ok at 1/80th

If low light is important to you, then you'll need every third of a stop of light possible, and when you need to boost the ISO the 5d2 is quite a bit better than the 7d for noise.

As someone who LOVES his 35mm f/1.4L, my advice is to get rid of it and get a 5d2 and 50mm f/1.2L, or better yet the Sigma 50mm f/1.4
 
Bryan Campbell said:
Also, keep in mind with crop cameras you will lose a stop having to increase the shutter speed...

The rule of thumb is your minimum shutter speed should be 1/focal length on Full Frame cameras, and on 1.6x cameras it should be 1/focal length * 3
Click to expand...
No, this is way off. On 1.6X cameras it's 1/focal length * 1.6.
Bryan Campbell said:
So you can hand hold the the 50mm f/1.2L on a 5d2 at 1/50 shutter speed...

If you put the 35mm f/1.4L on the 7d, you are looking at a 1/100th althouth you might be ok at 1/80th
Click to expand...
No, it's about 1/50 or 1/60. Pretty much the same as with a 50mm on FF.

--
Alastair
http://anorcross.smugmug.com
Equipment in profile

 
whoops... it was. it's been awhile since i've owned a crop camera.

still 1/60th vs. 1/50th that's a 1/3rd of a stop for light

and 1.2 vs 1.4 ... more light he can bring in.

he seems to have a preference for 50mm anyway
 
Unfortunately, 50mm 1.2 is not in the same quality class with 35mm 1.4, IMHO.

My indoor shooting is more 50mm FOV than 35mm. Years I was shooting 1.6 and 1.3 crop cameras and now I have this dilemma with 5d mkII paired with 35mm 1.4.

I really don’t want to give up my beloved 35mm and I said, instead of buying a not so stellar 50mm 1.2 better have a second body (7d) for those 50-55mm FOV shooting.

I know the limitations of 7D (crop, more noise on high ISO than 5D MkII) so I won't go further on these.

Cris
 
So, I gather you like the 35L on a crop camera? I've just ordered it for my 50D. I currently have the 28 F1.8, which I am quite happy with, but I wanted a step up in quality and speed for indoor shooting, which is pretty much exclusively what I now use the 28 for. I generally use the 28 at F2.2, or sometimes F2. I'm hoping I can use the 35L at F1.4 or F1.6, giving me an extra stop, which can make quite a difference in shutter speeds for indoor shooting. The difference between 1/30 and 1/60 can make the difference between minor motion blur and sharpness. If the 35 is good, I plan to sell the 28.
--
Alastair
http://anorcross.smugmug.com
Equipment in profile

 
grigo said:
Unfortunately, 50mm 1.2 is not in the same quality class with 35mm 1.4, IMHO.
Click to expand...
I know there are mixed reports about the 50/1.2L - I believe its a stellar lens (at least my sample) and I would rather make my decision based on the focal length.
 
who says the 50/1.2 is not stellar? Love to see the evidence if you have some.

It's arguably the best autofocusing 50mm out there at the moment. Sure, if you shoot at f/4 or above, save your money and get the 50/1.4. It's quite good wide open too! e.g. http://forums.dpreview.com/forums/read.asp?forum=1029&message=34489299

Unless I needed the high fps, I would have a 5DII + 50/1.4 over a 7D + 35/1.4L any day. But if you can afford the 5DII + 50/1.2L it's a no-brainer.

:)
grigo said:
Unfortunately, 50mm 1.2 is not in the same quality class with 35mm 1.4, IMHO.

My indoor shooting is more 50mm FOV than 35mm. Years I was shooting 1.6 and 1.3 crop cameras and now I have this dilemma with 5d mkII paired with 35mm 1.4.

I really don’t want to give up my beloved 35mm and I said, instead of buying a not so stellar 50mm 1.2 better have a second body (7d) for those 50-55mm FOV shooting.

I know the limitations of 7D (crop, more noise on high ISO than 5D MkII) so I won't go further on these.

Cris
Click to expand...
 
I have to disagree, the Sigma 50mm is probably the best 50mm out there. As for test, there are tons, just google it or if your in a store shoot side by side. CA is crap on the 50 1.2 As I see it the only spot the 1.2 shines over the sig is if you need the 1.2. Otherwise save the cash and get the Sig. (or unless your an L snob. I was till I compared a Sig 30 vs. my Canon 35L).

http://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=473&Camera=453&Sample=0&FLI=0&API=0&LensComp=403&CameraComp=453&SampleComp=0&FLIComp=0&APIComp=1

Or comapre photozones chart of the 50 1.2 and Sig 1.4:
http://www.photozone.de/canon-eos/392-sigma_50_14_canon

http://www.photozone.de/canon-eos/158-canon-ef-50mm-f12-usm-l-test-report--review
steve1984 said:
It's arguably the best autofocusing 50mm out there at the moment. Sure, if you shoot at f/4 or above, save your money and get the 50/1.4. It's quite good wide open too! e.g. http://forums.dpreview.com/forums/read.asp?forum=1029&message=34489299

Unless I needed the high fps, I would have a 5DII + 50/1.4 over a 7D + 35/1.4L any day. But if you can afford the 5DII + 50/1.2L it's a no-brainer.

:)
grigo said:
Unfortunately, 50mm 1.2 is not in the same quality class with 35mm 1.4, IMHO.

My indoor shooting is more 50mm FOV than 35mm. Years I was shooting 1.6 and 1.3 crop cameras and now I have this dilemma with 5d mkII paired with 35mm 1.4.

I really don’t want to give up my beloved 35mm and I said, instead of buying a not so stellar 50mm 1.2 better have a second body (7d) for those 50-55mm FOV shooting.

I know the limitations of 7D (crop, more noise on high ISO than 5D MkII) so I won't go further on these.

Cris
Click to expand...
Click to expand...
--
----------------------------------------------------

Take any advice given on a forum with a grain a salt. (that includes mine). Nobody is
perfect, though many claim to be.
 
I said "...arguably the best autofocusing 50mm" ;)

Sure if you can get a copy that focuses consistently then the Sigma 50mm is as good as the Canon (but the sigma doesn't do f1.2 of course). If you're happy with your Sigma then great.

http://www.the-digital-picture.com/Reviews/Sigma-50mm-f-1.4-EX-DG-HSM-Lens-Review.aspx
canonpro said:
I have to disagree, the Sigma 50mm is probably the best 50mm out there. As for test, there are tons, just google it or if your in a store shoot side by side. CA is crap on the 50 1.2 As I see it the only spot the 1.2 shines over the sig is if you need the 1.2. Otherwise save the cash and get the Sig. (or unless your an L snob. I was till I compared a Sig 30 vs. my Canon 35L).

http://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=473&Camera=453&Sample=0&FLI=0&API=0&LensComp=403&CameraComp=453&SampleComp=0&FLIComp=0&APIComp=1

Or comapre photozones chart of the 50 1.2 and Sig 1.4:
http://www.photozone.de/canon-eos/392-sigma_50_14_canon

http://www.photozone.de/canon-eos/158-canon-ef-50mm-f12-usm-l-test-report--review
steve1984 said:
It's arguably the best autofocusing 50mm out there at the moment. Sure, if you shoot at f/4 or above, save your money and get the 50/1.4. It's quite good wide open too! e.g. http://forums.dpreview.com/forums/read.asp?forum=1029&message=34489299

Unless I needed the high fps, I would have a 5DII + 50/1.4 over a 7D + 35/1.4L any day. But if you can afford the 5DII + 50/1.2L it's a no-brainer.

:)
grigo said:
Unfortunately, 50mm 1.2 is not in the same quality class with 35mm 1.4, IMHO.

My indoor shooting is more 50mm FOV than 35mm. Years I was shooting 1.6 and 1.3 crop cameras and now I have this dilemma with 5d mkII paired with 35mm 1.4.

I really don’t want to give up my beloved 35mm and I said, instead of buying a not so stellar 50mm 1.2 better have a second body (7d) for those 50-55mm FOV shooting.

I know the limitations of 7D (crop, more noise on high ISO than 5D MkII) so I won't go further on these.

Cris
Click to expand...
Click to expand...
--
----------------------------------------------------

Take any advice given on a forum with a grain a salt. (that includes mine). Nobody is
perfect, though many claim to be.
Click to expand...
 
As all we can see, it's hard to decide.

Canon 1.2 is good in terms of IQ, fast and accurate focusing but pricy in comparison to Sigma 1.4.

Some owners of Sigma reported to be better than Canons if the focusing is updated/fixed. I might give a try on Sigma first.

Looks like second route, 7D + 35mm 1.4, is ruled out by most full frame cameras owners.

Thanks,

Cris
 
My copy of 35mm is sharp at 1.4 on crop and full frame format.

1.4 DOF is not really razor thin as 85mm @1.2, so it's easier to work with this lens than 85L.

It's a great purchase if you can afford for low light.

Cris
 
Do you really want to make the decision between ff and crop camera based on the question if the 35/1.4 on crop is a little better or worse than the 50/1.2 or Sigma 50/1.4?

I think there are many other deciding factors which should influence the decision between 5d and 7d.

Regarding 50 Sigma vs Canon 1.2 (I have used the Sigma for some time on a D3x) all I can say is both are pretty good IMO but for my taste I slightly prefer the overall rendering of the Canon.

I feel it draws even smoother between the focus plane and the OOF areas, and I feel I prefer color.

Dont go only after MTF charts, include color, tonality, bokeh in your decision as well as the question how good the lens works together with exp metering and AF of a camera.
 
I have shot 35 1.4 on 7d, and 5d2, and sigma 50 1.4, on 7d and 5d2.

If the better autofocusing of 7d is not an issue for you, the 5dII with sigma 50 will always be at least as good, and many times superior in image quality. 5dii and 50 will @ 2.2 will give you about same dof, same fov as 35 1.4 on 7d at 1.4. However, it will give you much better resolving power and detail and would print larger. Color and contrast are fantastic on the sigma. I am sure the 50L wil be as good. Noise will be about the same, since 5d2 easily has one stop noise advantage. Of course below f2.2, there is simply no alternative on the crop. so in terms of obaining a shallower dof with the same fov, you have more options with full frame.
that much said, 35 1.4, is an absolutely amazing lens on full frame.
--
http://www.flickr.com/photos/11731152@N00/
 
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