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Greg's issues with the Olympus OM Zuiko 50 mm f/1.8 lens
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There seems to be a problem with the Olympus Zuiko lens when used for macro photography. Here a comparison of a photo of a Eucalyptus flower (about 1 cm across) taken with an Asahi Optical 50 mm f/1.4 Super Takumar (left) and the Olympus Zuiko 50 mm f/1.8 lens (right). In each case the camera was an Olympus E-510. I didn't record the aperture, but the depth of field suggests that it's f/16. My recollection is that this problem occurs at all apertures. I didn't find a way to work around it. I have now sold this lens and bought a ZUIKO DIGITAL ED 50mm F2.0 Macro lens instead.


This should be gum-flower-3.jpeg.  Is it missing?
Image title: gum flower 3          Dimensions:          3648 x 2736, 832 kB
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All images taken on Saturday, 7 June 2008, thumbnails          All images taken on Saturday, 7 June 2008, small
Diary entry for Saturday, 7 June 2008 Complete exposure details

 
This should be gum-flower-4.jpeg.  Is it missing?
Image title: gum flower 4          Dimensions:          3648 x 2736, 1024 kB
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All images taken on Saturday, 7 June 2008, thumbnails          All images taken on Saturday, 7 June 2008, small
Diary entry for Saturday, 7 June 2008 Complete exposure details

 

These photos were taken with a magnification of about 4:1. Here an excerpt from my diary:


This should be photo-setup-1.jpeg.  Is it missing?
Image title: photo setup 1          Dimensions:          2816 x 2112, 1472 kB
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All images taken on Saturday, 7 June 2008, thumbnails          All images taken on Saturday, 7 June 2008, small
Diary entry for Saturday, 7 June 2008 Complete exposure details

 

This should be gum-flower-2.jpeg.  Is it missing?
Image title: gum flower 2          Dimensions:          3656 x 2736, 1376 kB
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All images taken on Saturday, 7 June 2008, thumbnails          All images taken on Saturday, 7 June 2008, small
Diary entry for Saturday, 7 June 2008 Complete exposure details

 
This should be gum-flower-5.jpeg.  Is it missing?
Image title: gum flower 5          Dimensions:          3648 x 2736, 1040 kB
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All images taken on Saturday, 7 June 2008, thumbnails          All images taken on Saturday, 7 June 2008, small
Diary entry for Saturday, 7 June 2008 Complete exposure details

 

This should be buddleja-8.jpeg.  Is it missing?
Image title: buddleja 8          Dimensions:          3648 x 2736, 1040 kB
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All images taken on Saturday, 7 June 2008, thumbnails          All images taken on Saturday, 7 June 2008, small
Diary entry for Saturday, 7 June 2008 Complete exposure details

 
This should be buddleja-3.jpeg.  Is it missing?
Image title: buddleja 3          Dimensions:          3648 x 2736, 624 kB
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All images taken on Saturday, 7 June 2008, thumbnails          All images taken on Saturday, 7 June 2008, small
Diary entry for Saturday, 7 June 2008 Complete exposure details

 

A number of things have become apparent:


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