I originally purchased purchased these inexpensive tubes thinking they'd be a good match for the Sigma 60mm F2.8 DN Art. Using both the 10mm and 16mm tubes together got me 5" of working distance and nearly 1:1 macro.
The drawn box below is the size of M43 sensors. The 60mm Sigma almost gets 1:1 (life size) magnification here. Working distance was about 5 inches.
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| 21.5mm x 17.3mm |
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| 10mm + 16mm Tubes- Minimum focus distance is 5 inches. |
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| 16mm Tube Only- Minimum focus distance is 6.5 inches. |
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| 10mm Tube Only- Minimum focus distance is 8 inches. |
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| Sigma 60mm f2.8 DN without the extension tubes. |
Below are some sample images SOC... at the moment I am not a fan. It looks like lens flare and really poor contrast.
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| Really bad contrast in this shot. |
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