I got this big gun today (17-55 mm 2,8G) which is a « professional lens » but for some reason, on my D5300, I get sharper images with my other lens, (18-55
AF-S DX Zoom-Nikkor 17-55mm f/2.8G IF-ED | Nikon
Nikon 17-55mm f/2.8 DX Review
Nikon 17-55mm f2.8 G ED AF-S Nikkor - Lens – Kamerastore
Jeffrey Friedl's Blog » Anthony at the Park with my Nikkor 17-55mm f/2.8