Sharpening help

jimmy83

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James
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Struggling with some motorsport photos...

9mXxWNQ.jpg
is the high res

7kknLuj.jpg
850px

You can clearly see the 850px is quite abit sharper. Does anyone know whats causing this?
 
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I'm guessing you've sharpened it on output? which is the right thing to do.

The larger image is optimised for the 3577x2385 size so the smaller preview that you see here will be softer. There is probably someone who can explain why in more detail than me.
 
I'm guessing you've sharpened it on output? which is the right thing to do.

The larger image is optimised for the 3577x2385 size so the smaller preview that you see here will be softer. There is probably someone who can explain why in more detail than me.

Yeah just sharpened it in output in Lightroom.

Can anyone else offer any advice on this please?
 
Resizing it means some of the pixels responsible for the blur aren't there any more to make it looked blurred. For example the full size version has four or so pixels either side of the large "Bartley" letters which blend between the colour of the letters and the colour of the background and make up the blur - but in the 850px version the lines of the letters are only one or two pixels wide total, the blur pixels have merged into the background and letter pixels and made it look sharp.

A bit like this, though you'd have to zoom in on the resized version more to compare it like this:
p1707142778.jpg


You won't get the full size version to look sharp at 100% unless you redraw nearly the whole car in Photoshop or similar. Whether you can get away with an original size photo with blur like this depends on how big you're planning on showing it and how closely people will be able to look at it. As you've noticed it's not too bad at 850px and you might get away with a small print but you can't get away with it at 2048px or a large print.
 
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