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HELP: viewfinder confusion
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Hi,
I was thinking about geting a 5D, and we know one of the great advantages is a large viewfinder.
BUT...
It's said that magnification on 5D is just 0.71x on a 50mm lens.
Does this mean that I can see an object closer with a 20D, because its magnification is 0.9x ????
IMPORTANT: I'm am not confused by full frame and bigger viewfinder.
But I'm confused as I wrote above. If I'm going to use manual focus, it's easier if the object is closer, and I'm thinking the object will appear smaller (more distant) on a 5D's viewfinder. Is that correct?
Could anybody explain this to me?
Posted at 7:04AM, 17 May 2008 PDT
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I was confused too at first.
I went to the shop and asked to have a look with a lens I have.
Solved my doubts.
The viewfinder is bigger and about as light as you are going to get.
Posted 2 months ago.
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Yes, there is more room in the 5D's viewfinders. But do the objects seem more distant?
Posted 2 months ago.
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more distant than what?
Posted 2 months ago.
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If I put a 50mm lens on my 30D and keep both eyes open at the same time then the subject looks about the same size to both eyes. Presumably on a 5D it'll look smaller through the viewfinder eye. Someone care to test this?
Originally posted 2 months ago.
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Robert Seber edited this topic 2 months ago.
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Well, "seem" is an interesting word. A photo of mine (taken with a 40D) that drives me crazy (well, not literally) shows a house WAY off in the distance
But it was shot at 300 mm (and handheld), so sense of distance is almost gone. You almost feel like you can touch it - not because of its size, but the degree of foreshortening due to the long focal length.
By contrast, this photo
which was taken with a 5D at 65 mm has a more expansive feel to it.
This photo (also taken with a 5D)
has a focal length of 96 mm, and you have the sense that the subject is "pulled up close" and much of the sense of depth is lost, even with the tracks converging nearly to a vanishing point.
I guess what I'm trying to say is that the sensor is bigger on the 5D, so naturally the magnification is less. But it's really the focal length, and not the sensor size, that has the biggest influence on how large or small elements of the scene look relative to one another, and that's likely to be the more important factor.
Originally posted 2 months ago.
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Greg Woodhouse edited this topic 2 months ago.
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"Robert Seber Pro User says:
If I put a 50mm lens on my 30D and keep both eyes open at the same time then the subject looks about the same size to both eyes. Presumably on a 5D it'll look smaller through the viewfinder eye. Someone care to test this? "
Robert, that's the question, thank you!!! My English sucks, I know.
Someone care to test this??
Posted 2 months ago.
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And this will affect your photos in which way?
Posted 2 months ago.
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I find the 5D brighter and easier to manual focus than a friends 400D (with the same lens attached). Otherwise the view is just the view, albeit 1.6x closer with the 400D.
Now, the improvement might be down to a more expensive construction. I also have the 1D and that's fine. I tried a friends 40D the other day and his wifes Nikon, and they all looked, well, fine - except the NIkon lights up the "thirds" lines.
Posted 2 months ago.
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On a 5D use an 85mm to get more or less the same field of view as on the 30D. All I can say is what you see is what you get, almost.
Posted 2 months ago.
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It's complicated.
You have two things to consider. 1) Magnification. 2) Crop factor. Two different things.
So I tried the experiment with 3 cameras. 5D, 300D, and 40D.
When I threw on the 50 on my 5D, and looked at an object with one eye "naked" and the other threw the camera, the object was slightly smaller (maybe 10-15%) in the camera.
Repeated with the 300D, it was about 5% smaller in camera. BUT I saw less of the object, because it's cropped more.
Repeated with the 40D (with higher magnification than either of the other two), the object was exactly the same size as with my naked eye. But again, I don't see as much of the object.
So, while the 5D has a lower magnification, it also will capture more of the scene with the same lens. Additionally, the viewfinder image is brighter, making it easier to manually focus.
Posted 2 months ago.
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Thank you, Mormegil,
the magnification was my doubt. Thanks for your time to test them.
Posted 2 months ago.
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