Sharpness - 45mm f1.8 wide open vs f2.5 or f2.8....

Started May 4, 2012 | Discussions thread
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MT Senior Member • Posts: 1,927
Sharpness - 45mm f1.8 wide open vs f2.5 or f2.8....

I like my lenses sharp as do most people except for those who want as slightly softer look for portraits.

Anyone here test the sharpness of you 45mm f1.8 wide open versus f2.5 or f2.8? I tested two and find that with both, the lens is discernibly sharper stopped down by one stop.

I tested three $1K (each) Zeiss 24mm f1.8. Each varied widely . One was clearly defective and went back to the manufacturer. One was OK. The third was virtually as sharp wide open as stopped down. That one was a particularly superb lens.

Wondering if any have found their Oly 45mm f1.8 to be about as sharp wide open as stopped down by one stop.

Thanks,
MTMT

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