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FORUMS Photography Talk by Genre Macro Talk 
Thread started 28 Jun 2010 (Monday) 09:56
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Still having a bit of problem with taking sharp macro images

 
GarethJB84
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9 posts
Joined Jun 2010
     
Jun 28, 2010 09:56 |  #1

Hi guys, I got some good tips in the last topic I started about the problems im having taking macro photos but still dont seem to be able to get the images as sharp as I'd been expecting from my new camera set up (the Canon 550d and the 100mm canon macro lens).
I've uploaded two of the latest images ive taken and wonder if you guys could take a looksee and see if you can give me anymore sharpness/focusing tips?

Here they are:
http://www.flickr.com …2/sizes/l/in/ph​otostream/ (external link)

http://www.flickr.com …0/sizes/l/in/ph​otostream/ (external link)

All the best,

Gareth




  
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silvrr
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Gallery: 24 photos
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Location: Chicago,IL
     
Jun 28, 2010 10:14 |  #2

What are your settings on the second shot?


Canon 6D l 24-70 f/4L l 100L l 430EX l 430EX II l Kenko Extension Tubes l Sigma 50 Art
flickr (external link) FeedBack

  
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ThePritchett
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34 posts
Joined Feb 2010
Location: Waterford, MI
     
Jun 28, 2010 10:17 |  #3

Lens: Canon EF 100mm f/2.8 Macro
Exposure: Manual exposure, 0.5 sec, f/18, ISO 100

Lens: Canon EF 100mm f/2.8 Macro
Exposure: Manual exposure, 1/10 sec, f/9, ISO 100
Flash: Off, Did not fire

I'm new at this too, but getting great results from the advice I've read here...

Your shutter speed is too slow. Unless you're using a very sturdy tripod and remote release you're going to get a soft shot.
Your aperture is too small (high number). With no flash, this is causing you to need the slow shutter speed, which is softening your pictures. There's also an issue with diffraction softening that I'm not very educated on and won't try to explain.
If you need a larger depth of field, there are focus stacking software options available that will let you stack multiple photos focused at different distances.

Try this:

Use a flash! With the 100 2.8 and no hood, you can leave the flash on the hotshoe.
Leave flash in ETTL mode
Put the camera in Manual
Set Shutter Speed to 1/250 (the flash sync speed)
Try an Aperture around f/8
For objects of this size, you can leave the lens set to auto focus. For max magnification, swith the lens to MF. Set magnification and focus by moving the camera back and forth.
Take picture. Handheld is fine at this shutter speed.

Use the FEV adjustments to account for over or underexposure. The aperture can be adjusted as well, but I have good luck from f/4-11.




  
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ceriltheblade
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2,484 posts
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Joined Mar 2007
Location: middle east
     
Jun 28, 2010 10:38 |  #4

cool ring in the second shot
but I agree with thepritchett. definitely the best thing is to start there.
how to get the camera out of the reflection of the pearl, on the other hand, i would love to learn from others here! :)


7D/5dIII
50 1.8 II, MP-E65, 85 II, 100 IS
8-15 FE, 10-22, 16-35 IS, 24-105, 70-200 f4IS, 100-400 ii, tamron 28-75 2.8
600 ex-rt, 055xproB/488rc2/Sirui k40x, kenko extens tubes

  
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Still having a bit of problem with taking sharp macro images
FORUMS Photography Talk by Genre Macro Talk 
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