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<blockquote data-quote="Fortkentdad" data-source="post: 557625" data-attributes="member: 24285">First an apology, my memory failed.&nbsp; That &quot;porthole&quot; effect was from a Lensbaby Fisheye as shown below. [ATTACH]212253[/ATTACH]So I mounted the Nikkor DX 35mm 1.8 onto my D90 DX camera then a D610 FX camera and compared the images.&nbsp; All shot handheld. [ATTACH]212263[/ATTACH]D90 image - the DX lens on Dx camera. [ATTACH]212267[/ATTACH]D610 in DX mode[ATTACH]212264[/ATTACH]D610 in FX mode Then, for comparison I put on a Tamron SP 20-40 and set to 35mm [ATTACH]212260[/ATTACH]D610 in FX mode with Tamron 20-40mm Image size is drastically different 6016 x 4016 in FX mode and 3936 x 2624 in DX mode.&nbsp; On the D90 it was 4288 x 2848. The following show cropping [ATTACH]212269[/ATTACH]Crop of FX image[ATTACH]212270[/ATTACH]Crop of DX imageThere you have my experiment in the differences - or lack thereof.It is subjective.&nbsp; It obviously works.</blockquote>

[QUOTE="Fortkentdad, post: 557625, member: 24285"] First an apology, my memory failed. That "porthole" effect was from a Lensbaby Fisheye as shown below. [ATTACH=CONFIG]212253[/ATTACH] So I mounted the Nikkor DX 35mm 1.8 onto my D90 DX camera then a D610 FX camera and compared the images. All shot handheld. [ATTACH=CONFIG]212263._xfImport[/ATTACH] D90 image - the DX lens on Dx camera. [ATTACH=CONFIG]212267._xfImport[/ATTACH] D610 in DX mode [ATTACH=CONFIG]212264._xfImport[/ATTACH] D610 in FX mode Then, for comparison I put on a Tamron SP 20-40 and set to 35mm [ATTACH=CONFIG]212260._xfImport[/ATTACH] D610 in FX mode with Tamron 20-40mm Image size is drastically different 6016 x 4016 in FX mode and 3936 x 2624 in DX mode. On the D90 it was 4288 x 2848. The following show cropping [ATTACH=CONFIG]212269._xfImport[/ATTACH] Crop of FX image [ATTACH=CONFIG]212270._xfImport[/ATTACH] Crop of DX image There you have my experiment in the differences - or lack thereof. It is subjective. It obviously works. [/QUOTE]

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