I give up
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Old 11-11-2009   #1
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Default I give up

How do I get really close up but all in focus? Is it my lens or the f-stop?



I don't want just what's in one plane of focus, I want the whole thing. I've got a 50mm 1:2.8 macro lens. Is it just cheap or what? I've gone up and down the f-stops and nothing seems to change the results.

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Old 11-11-2009   #2
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Default Re: I give up

It's the nature of macro photography. Whe you get that close the depth of focus is very narrow. Try using f11 or f22. Even that is not enough sometimes, many people are doing "focus stacks" which is taking several shots from the same location each with a different focus point and then combining them for an all in focus photo.
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Old 11-12-2009   #3
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Default Re: I give up

It's the F-stop - shot at F2.8 ? As commented above try F11 or higher.
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Old 11-12-2009   #4
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Default Re: I give up

Quote:
Originally Posted by verdesardog View Post
It's the nature of macro photography. Whe you get that close the depth of focus is very narrow. Try using f11 or f22. Even that is not enough sometimes, many people are doing "focus stacks" which is taking several shots from the same location each with a different focus point and then combining them for an all in focus photo.
Do you layer them as masks and erase (or peel away) the unfocused bits?
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Old 11-12-2009   #5
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I haven't tried it but I have looked into focus stacks before - it's designed exactly for this issue.
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Old 11-12-2009   #6
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Default Re: I give up

Layers/focus stacks. That's what I was going to start doing in desperation! Thanks everyone!
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Old 11-12-2009   #7
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Quote:
Originally Posted by FeyMooncalled View Post
Layers/focus stacks. That's what I was going to start doing in desperation! Thanks everyone!
You still need to get away from f/2.8. That's shallow DOF for normal shots and just crazy for macros. Try f/11 to f/22 and you may still need to stack.
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Old 11-17-2009   #8
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Default Re: I give up

I wouldn't go much over F16 or you are going to start getting soft focus from diffraction. Looking forward to seeing your experimentation with stacking. It's something I've always wanted to try and just never got around to myself.
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Old 11-17-2009   #9
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I wouldn't go much over F16 or you are going to start getting soft focus from diffraction. Looking forward to seeing your experimentation with stacking. It's something I've always wanted to try and just never got around to myself.
I don't know. Yesterday, I was messing around and cranked it all the way up to f-40 (I didn't know cameras went that high) and I got the pattern detail of the kilt reflected on the bagpipe silver and everything was crystal clear.

http://photocamel.com/forum/macro-cl...a-success.html

The tripod is my friend. I guess only a macro lens will let you take a long exposure in full sun and not end up with a totally white screen.
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Old 11-17-2009   #10
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Quote:
Originally Posted by fredlef View Post
I haven't tried it but I have looked into focus stacks before - it's designed exactly for this issue.
For focal stacking have a look at Helicon Focus!


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