Review 2 of 2
Model Reviewed: OM-Zuiko 1.4XA Teleconverter Summary: Very sharp and useful. Too bad I don't have a 180/2, or 250/2 with which is works excellently. Strengths: I have only used it for the 300/4.5 and it works very well and maintains sharpness and contrast. When compared with a Sigma 400/5.6 APO, the results were about the same. It also works well on my Tamron 400/4 and maintains better sharpness and contrast that the Tamron 1.4x converter. Weaknesses: None. Took me a couple of years to find one at a reasonable price. Similar Products Used: Kenko 1.5 MM converter. (Note this is matched for 75 to 150 focal lengths and will vignette on the Zuiko 300/4.5) Customer Service: Not needed
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