OMG! We have the ZD 9-18mm f4-f5.6...

Started Sep 18, 2008 | Discussions thread
DriftForge Senior Member • Posts: 1,208
Re: Truly surprising

I suspect that the breakthrough Olympus had in being able to manufacture their 'Dual Super Aspherical' lens may be more significaint than many people have given credit for at this stage.

This is just one of the reasons I'm interested to see what Olympus brings out for µ4/3 wide angle, assuming they produce some larger aperture zoom lenses than Panasonic seem to be...

The new DSA (Dual Super Aspherical) lens element lets Olympus achieve the seemingly impossible - a curved lens element which is thinner at the centre than it is at the edge. It unites extremely high refraction ratios with the ability to compensate for aberrations. Previously, several conventional lens elements needed to be combined to obtain the same high definition performance that can now be obtained from a single DSA lens element.

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