what is '3d' ?

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Archive 2009 · what is '3d' ?

mortyb
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p.8 #1 · what is '3d' ?

The 5D + 70-200 f/4 IS combo has the goods to produce some 3D-like images from time to time. When viewed in DPP they look way more 3D than here due to some DPP voodoo sharpening, I guess. Anyways, two samples.

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Nov 10, 2009 at 07:51 PM

RustyBug
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p.8 #2 · what is '3d' ?

Which has more 3d ?? (jpgs)

135mm 3.5 f8

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135mm 3.5 f3.5

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Edited on Nov 13, 2009 at 09:36 PM · View previous versions

Nov 13, 2009 at 08:35 PM

Lotusm50
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p.8 #3 · what is '3d' ?

RustyBug wrote:
Which has more 3d ??

135mm 3.5 f8

135mm 3.5 f3.5

The one at f8.

Nov 13, 2009 at 08:45 PM

RustyBug
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p.8 #4 · what is '3d' ?

Is this an improvement on 3d or ??

f8 (RAW with pp)

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Nov 13, 2009 at 09:35 PM

Alf Beharie
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p.8 #5 · what is '3d' ?

Lotusm50 wrote:
RustyBug wrote:
Which has more 3d ??

135mm 3.5 f8

135mm 3.5 f3.5

The one at f8.

Actually I think the f3.5 one has better 3D because the watering can spout stands out more against the more blurred background than in the f8 shot. However for the best effect you should copy the f8 watering can spout onto the f3.5 watering can spout with photoshop. This will give an even sharper spout standing out against a more blurred background and thus it will look more 3D.

Nov 14, 2009 at 12:43 AM

trumpet_guy
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p.8 #6 · what is '3d' ?

I lose track of where I have posted what,
but I don't think I've posted this one in this thread yet.

Do the 3D spotters notice 3D in this one? I do, but it puzzles me why.
A close-up, and mostly out of focus regions too.
Yes, this is from Zeiss glass. Any guesses which?

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Larger version here:
http://www.pbase.com/tswen/image/119375927/original

Edited on Nov 14, 2009 at 11:24 PM · View previous versions

Nov 14, 2009 at 02:08 AM

RustyBug
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p.8 #7 · what is '3d' ?

Only one lens comes to mind for me ... 35-70 ??

Nov 14, 2009 at 03:00 AM

Tri Tran
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p.8 #8 · what is '3d' ?

60mm Makro?

Nov 14, 2009 at 03:48 AM

trumpet_guy
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p.8 #9 · what is '3d' ?

Here is one more from the same lens.
Your guesses are close, but not quite there. Think "inexpensive lens."

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Larger version here:
http://www.pbase.com/tswen/image/119375929/original

Edited on Nov 14, 2009 at 11:25 PM · View previous versions

Nov 14, 2009 at 05:28 AM

helimat
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p.8 #10 · what is '3d' ?

50/1.7?

Nov 14, 2009 at 05:30 AM

trumpet_guy
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p.8 #11 · what is '3d' ?

helimat wrote:
50/1.7?

Bingo!

The lowly 50/1.7 on a Canon 30D. It is a very fine lens, and actually seems
sharper for close-in subjects than the CZ 50/1.4 I had.

Nov 14, 2009 at 05:33 AM

helimat
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p.8 #12 · what is '3d' ?

Yea, the image looked 50ish in perspective to me, and then I cheated and checked your gear list.

I recently picked one up too, more so for stopped down type stuff though.

Nov 14, 2009 at 05:43 AM

trumpet_guy
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p.8 #13 · what is '3d' ?

Yes, it excels when stopped down. An excellent landscape lens.

Nov 14, 2009 at 05:46 AM

Lotusm50
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p.8 #14 · what is '3d' ?

Alf Beharie wrote:
Lotusm50 wrote:
RustyBug wrote:
Which has more 3d ??

135mm 3.5 f8

135mm 3.5 f3.5

The one at f8.

Actually I think the f3.5 one has better 3D because the watering can spout stands out more against the more blurred background than in the f8 shot. However for the best effect you should copy the f8 watering can spout onto the f3.5 watering can spout with photoshop. This will give an even sharper spout standing out against a more blurred background and thus it will look more 3D.

This is crux of the what people consider to be "3-D". To me, "3-D" is not the illusion of space between objects -- which is easily done by opening up the lens to increase differential focus. To me, and I believe many others, "3-D" is the ability to create a compelling illusion of a form in 3 dimensions. In this image, 3-D is about the watering can and how the watering can appears to the viewer. It's not about the separation between the watering can and the background.

Nov 14, 2009 at 12:41 PM

RustyBug
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p.8 #15 · what is '3d' ?

In this image, 3-D is about the watering can and how the watering can appears to the viewer. It's not about the separation between the watering can and the background.

+1 @ what I'm trying to achieve ... how'd I do ??

Nov 14, 2009 at 02:29 PM

RustyBug
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p.8 #16 · what is '3d' ?

trumpet_guy ... quit that ... at least until after I get my 50 1.7

Nov 14, 2009 at 02:30 PM

Alf Beharie
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p.8 #17 · what is '3d' ?

Lotusm50 wrote:
Alf Beharie wrote:
Lotusm50 wrote:
RustyBug wrote:
Which has more 3d ??

135mm 3.5 f8

135mm 3.5 f3.5

The one at f8.

Actually I think the f3.5 one has better 3D because the watering can spout stands out more against the more blurred background than in the f8 shot. However for the best effect you should copy the f8 watering can spout onto the f3.5 watering can spout with photoshop. This will give an even sharper spout standing out against a more blurred background and thus it will look more 3D.

This is crux of the what people consider to be "3-D". To me, "3-D" is not the illusion of space between objects -- which is easily done by opening up the lens to increase differential focus. To me, and I believe many others, "3-D" is the ability to create a compelling illusion of a form in 3 dimensions. In this image, 3-D is about the watering can and how the watering can appears to the viewer. It's not about the separation between the watering can and the background.

But the separation between the watering can and the background is very important in giving a 3D effect...The sharper you make the watering can in relation to the background the greater the 3D effect.

Nov 14, 2009 at 07:56 PM

Alf Beharie
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p.8 #18 · what is '3d' ?

RustyBug wrote:
trumpet_guy ... quit that ... at least until after I get my 50 1.7

You dont want the 50/1.7, trust me. My Canon FL 55mm f1.2 leaves it for dust.

Nov 14, 2009 at 07:57 PM

Lotusm50
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p.8 #19 · what is '3d' ?

Alf Beharie wrote:
Lotusm50 wrote:
Alf Beharie wrote:
Lotusm50 wrote:
RustyBug wrote:
Which has more 3d ??

135mm 3.5 f8

135mm 3.5 f3.5

The one at f8.

Actually I think the f3.5 one has better 3D because the watering can spout stands out more against the more blurred background than in the f8 shot. However for the best effect you should copy the f8 watering can spout onto the f3.5 watering can spout with photoshop. This will give an even sharper spout standing out against a more blurred background and thus it will look more 3D.

This is crux of the what people consider to be "3-D". To me, "3-D" is not the illusion of space between objects -- which is easily done by opening up the lens to increase differential focus. To me, and I believe many others, "3-D" is the ability to create a compelling illusion of a form in 3 dimensions. In this image, 3-D is about the watering can and how the watering can appears to the viewer. It's not about the separation between the watering can and the background.

But the separation between the watering can and the background is very important in giving a 3D effect...The sharper you make the watering can in relation to the background the greater the 3D effect.

I guess we'll have to essentially disagree about that -- basically I think we are talking about 2 different things.

Nov 14, 2009 at 08:09 PM

carstenw
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p.8 #20 · what is '3d' ?

Yes, Alf is talking about a sense of depth, which is separate from the 3D effect, which is the sense of form.

Nov 14, 2009 at 09:32 PM

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