EF 85mm Lens Birefringence
Sequins were illuminated with a monolight and exposed at varying apertures with a EOS-1Ds MkII. Birefringence was most marked at f/1.4 and f/2 and was comparable among the lenses.
| EF 85mm f/1.8 | EF 85mm f/1.2L Mark I | EF 85mm f/1.2L Mark II | |
| f/4 | |
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| f/2.8 | |
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| f/2 | |
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| f/1.4 | |
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