Here are my first impressions of this goal (2nd for the first préseantait a hard point in the middle focal Thanks to Amazon for his client direction). Mounted on a Nikon D40 case, it appears imposing (normal). Jy is a first advantage: it gives me a better grip of ALL OPERATING. My first observations damateur Piqué: Right across the same range if some weaknesses in the early range (18-80mm) Vignette: Barely detectable full-aperture 18 mm Chromatic aberration: Marked full-aperture 18 mm Conclusion: I am happy with my purchase because of the price / quality ratio in relation to the performance and made lergonomie issued for travel mode.