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<blockquote data-quote="hark" data-source="post: 295959" data-attributes="member: 13196"><p>Excellent example! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" /> Right click on both photos so they open in separate tabs then toggle back and forth between them. You should see the center area of one photo bubble outwards compared with the other. That is the difference in distortion between the two focal lengths. In this example, the distortion isn't too obvious when just looking at each separately. The difference is there though. The bottom line is that an 18mm photo on DX still exhibits the same distortion on FX. An 18mm image is still an 18mm image no matter which body it is on. It will cover the same field of view as a 27mm lens gives on an FX body, but it won't give the same perspective as a 27mm image.</p></blockquote><p></p>

[QUOTE="hark, post: 295959, member: 13196"] Excellent example! :) Right click on both photos so they open in separate tabs then toggle back and forth between them. You should see the center area of one photo bubble outwards compared with the other. That is the difference in distortion between the two focal lengths. In this example, the distortion isn't too obvious when just looking at each separately. The difference is there though. The bottom line is that an 18mm photo on DX still exhibits the same distortion on FX. An 18mm image is still an 18mm image no matter which body it is on. It will cover the same field of view as a 27mm lens gives on an FX body, but it won't give the same perspective as a 27mm image. [/QUOTE]

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