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moon shot with ef600 f4II

Started Oct 12, 2013 | User reviews thread
BigBen08 Veteran Member • Posts: 7,473
Re: moon shot with ef600 f4II
3

garyknrd wrote:

I have also noticed a drop in IQ with the 1.4 on the 500 II, But it is still very good. But verrry little with the 300 II. Strange.

Exactly my experience also. 300 II/1.4xIII provides razor sharp images. 500 II/1.4xIII results in a noticeable IQ drop. Not real bad, but noticeable.

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