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<blockquote data-quote="Fork" data-source="post: 84461" data-attributes="member: 10937">Hi TJ,I'm going to go against the grain and say that the four test shots you posted are all suffering from missed focus.This is because you shot them all at f/1.8.&nbsp; I know it's so tempting to shoot everything at f/1.8 when you first buy this lens (I did exactly the same!) but it affects the quality of your images for two reasons:1:&nbsp; The lens simply cannot produce sharp images at that wide an aperture and f/1.8 should only be used when you really need the light gathering capability.2: Assuming your test subjects were more or less 3 metres away.&nbsp; The depth of focus at f/1.8 if your subject is 3 metres away is about 20cm which makes it very difficult to accurately focus on your subject, especially handheld. f/1.8 should only be used if you really need the wide aperture for low light conditions.&nbsp; The &quot;nifty fifty&quot; is sharpest in the middle of it's aperture range.&nbsp; f/5.6 - f/11 is it's sweet spot.&nbsp; Shooting in good light in that aperture range will give you razor sharp photos and you can still get plenty of that lovely bokeh (which is why I assume you bought it!) at f/5.6.When shooting indoors with it, I find that the quality of shots are better if I stop the aperture down and increase the ISO, only using f/1.8 if I can't increase the ISO any further without too much noise.I hope you have fun exploring what this lens can do, it's a beauty if you tickle it in the right place!&nbsp; <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="Fork, post: 84461, member: 10937"] Hi TJ, I'm going to go against the grain and say that the four test shots you posted are all suffering from missed focus. This is because you shot them all at f/1.8. I know it's so tempting to shoot everything at f/1.8 when you first buy this lens (I did [I]exactly[/I] the same!) but it affects the quality of your images for two reasons: 1: The lens simply cannot produce sharp images at that wide an aperture and f/1.8 should only be used when you really need the light gathering capability. 2: Assuming your test subjects were more or less 3 metres away. The depth of focus at f/1.8 if your subject is 3 metres away is about 20cm which makes it very difficult to accurately focus on your subject, especially handheld. f/1.8 should only be used if you really need the wide aperture for low light conditions. The "nifty fifty" is sharpest in the middle of it's aperture range. f/5.6 - f/11 is it's sweet spot. Shooting in good light in that aperture range will give you razor sharp photos and you can still get plenty of that lovely bokeh (which is why I assume you bought it!) at f/5.6. When shooting indoors with it, I find that the quality of shots are better if I stop the aperture down and increase the ISO, only using f/1.8 if I can't increase the ISO any further without too much noise. I hope you have fun exploring what this lens can do, it's a beauty if you tickle it in the right place! ;) [/QUOTE]

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