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<blockquote data-quote="J-see" data-source="post: 388657" data-attributes="member: 31330">I wouldn't know what exactly causes that difference. I was curious because it is like a standard rule &quot;DX is better for crop shots&quot;. From what I read online, that seems to be the general consensus but when checking the optical sharpness of my lenses, the differences were huge which made me wonder. When checking the values at DxOmarks it seems to be true for a range of FF but not all. The D800 seems not as efficient as the D800E with my lens so it probably isn't just pixels or size.In theory my D3300 should win since the shot is 6k*4k and the D750 has to compete with 3.9k*2.6k pixels. Logic tells us therefor the D3300 should contain more detail. When scaling the smaller format to 6*4 it doesn't improve quality either. Yet the D750 still does a better job with some lenses.That's the reason I didn't opt for the D810 for macro since the D3300 had more pixels and thus would grab more detail. Yet even with the D750 I already grab more detail so when using the D810 which has a larger pixel format even in DX, the quality should even be better.I haven't got any idea what the reason here is but it goes against photo folklore. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink&nbsp; &nbsp; ;)" loading="lazy" data-shortname=";)" /></blockquote>

[QUOTE="J-see, post: 388657, member: 31330"] I wouldn't know what exactly causes that difference. I was curious because it is like a standard rule "DX is better for crop shots". From what I read online, that seems to be the general consensus but when checking the optical sharpness of my lenses, the differences were huge which made me wonder. When checking the values at DxOmarks it seems to be true for a range of FF but not all. The D800 seems not as efficient as the D800E with my lens so it probably isn't just pixels or size. In theory my D3300 should win since the shot is 6k*4k and the D750 has to compete with 3.9k*2.6k pixels. Logic tells us therefor the D3300 should contain more detail. When scaling the smaller format to 6*4 it doesn't improve quality either. Yet the D750 still does a better job with some lenses. That's the reason I didn't opt for the D810 for macro since the D3300 had more pixels and thus would grab more detail. Yet even with the D750 I already grab more detail so when using the D810 which has a larger pixel format even in DX, the quality should even be better. I haven't got any idea what the reason here is but it goes against photo folklore. ;) [/QUOTE]

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