18-55mm highlight issues?

[nzswedespeed]

Hi all, I am not sure if this is an issue that I the photographer am making, or if it's an issue with my lens? Normal shots are awesome and its a great lens. However I am getting into cityscapes/long exposure, and I am noticing really ugly blown highlights with squiggles around them.

This was shot at F/20, but even at larger apertures I have noticed this affect also. Maybe its adobe lightroom?

 

Thoughts?

 

 

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[nzswedespeed]

Or am I just being too fussy haha? Note it actually looks a bit better above than it does blown up. 

[rafikiphoto]

How does an OOC jpeg compare?

[Vidalgo]

Try ProNegHi profile, and make exposure correction to -1 or so