same shot with 10/3.5 and 12-24

Started 9 months ago | Discussions thread
viking79
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Re: same shot with 10/3.5 and 12-24
In reply to Jaberwok, 9 months ago

Jaberwok wrote:

Arn wrote:

Jaberwok wrote:

Faith Yeung wrote:

Hi Arn,

Looks like the fisheye can deliver similar resolution to the ultra-wide. Right?

I am amazed by it.

With the Hemi software, I think it can really replace the 12-24. What do you thnik?

Nope! Not nearly as sharp and not as well corrected.

Depends on what you mean. Sure, it isn't corrected for distortion, but that means it doesn't distort perspective.

Rectilinear lenses distort perspective but maintain straight lines. Fisheye lenses distort straight lines and maintain perspective.

Take your pick, you can't have both in a flat image.

It is sharp and it's not supposed to be corrected at all in the way that rectilinear wide-angle lenses are.

Exactly. So you agree a 10mm fisheye can't match a 24mm corrected wide angle?

No, the fisheye is just as sharp as the 12-24mm. It is just different, they aren't used for the same purpose. I can't resolution test my fisheye or I would (the software can't handle that much distortion, plus you can't exactly photograph a flat chart in the corner with a lens with 180 degree diagonal field of view.

Eric

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