Why no lens profiles for Lightroom from Pany and Oly

Started Dec 14, 2011 | Discussions thread
sacundim
Senior MemberPosts: 1,111
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Re: Careful there.
In reply to mister_roboto, Dec 15, 2011

mister_roboto wrote:

With the distortion correction though, it does usually change the focal length FOV results slightly from "un-pin-cushioning" although only a small amount. That's if the focal length FOV is accurate to being with which it probably isn't 100% spot on as are most lenses by anyone.

Careful there again. FOV is a function of frame size, focal length and lens distortion . At the same focal length, more barrel distortion = wider view angle.

So the distortion correction loses some of the lens' view angle, but it doesn't make a 14mm lens into a 15mm lens—it makes a distorted 14mm lens into a rectilinear 14mm lens.

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