But it recovered quickly and the same behavior did not occur immediately. However, I do occasionally experience slowing down and have the push-pull effect before it focuses on the subject. In case someone wondering, tracking human eyes, animal eyes, and bird eyes works well here. And I do not hear any sound produced by the focusing motor. In good lighting conditions, it is really fast in focus locks onto the subject. This lens comes with a stepper motor but, to be frank, the focusing performance surprises me. Nostalgic NegativeĪs for the sunny star result, both 18mm and 50mm do produce acceptable results with some softness on the star. I do observe very mild chromatic aberration and vignetting and I think it is within my acceptable range. Nostalgic NegativeĪt wide open, the bokeh is very good with a very decent and gentle fall-off between the subject and background/foreground. So if I am to compare the Sigma 18-50mm with the other zoom lenses, I think I am really impressed with this lens’ optic quality. To be fair, prime lenses are still on better image quality, much sharper, and have better contrast. Nostalgic NegativeĪlthough I am more of a prime lens user, I get to use or test with some zoom lenses. This shows there are some quality and engineering works done with Sigma’s engineering team. The details are tremendous and resolve very well with my X-T5’s 40 megapixels sensor. I have to say… The image quality coming out of this glass is great. This compact lens comes with a filter size of 55mm which is very decent and photographers who buy filters are delighted to know about it. The 28-75mm (in full-frame equivalent) also comes with dust and splash resistant. Having said that, this 285 grams lens (it is just 5 grams heavier than the Sigma 56mm f1.4 and 10 grams heavier than the Sigma 30mm f1.4) is genuinely great to hold with and the built quality is very sturdy and it does not give out a sense of cheap feeling. It does not come with an aperture ring and the lens body is polycarbonate (also known as Thermally Stable Composite TSC) constructed. The overall design language of this lens shares a lot of similarities with Sigma 16mm f1.4, Sigma 30mm f1.4, and Sigma 56mm f1.4. I appreciate his support to make this review a reality. Lawson from Sigma Marketing (Singapore) for loaning me the Sigma 18-55mm f2.8 Contemporary DC DN lens for review. Sigma 18-50mm f2.8īefore I share further, allow me to thank Mr. And I can’t help thinking this might be a perfect choice to bring for travel. It is totally the opposite of what I just mentioned. Sigma did a wise choice by doing something different with this lens. When I think about a constant f2.8 zoom lens, my perception of the lens is that it should be a huge lens, a big filter size, and be heavy. The X-mount version was only announced merely one year later. Sigma 18-50mm f2.8 was announced way back in October 2021 but that was meant for L-mount and E-mount cameras. If I remember correctly, Sigma 18-50mm f2.8 DC DN Contemporary is the 3rd zoom lens (among the third-party lenses), and it is the first zoom lens from Sigma for Fuji available in the market. When it comes to third-party zoom lenses, Fujifilm photographers do not have many options.
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