Earlier this month, Sigma announced its new 16-28mm f/2.8 DG DN Contemporary lens. One of the features is that it features internal zoom and focus mechanisms, so it doesn’t change length when zooming or focusing.

If you’ve been wondering how it works and what it looks like on the inside, Sigma has a video for you. It shows a cross-section of the lens, all of its elements, and its internal zoom mechanism.

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Sigma has today announced the 16-28mm f/2.8 DG DN Contemporary lens for full-frame mirrorless cameras. It doesn’t come as much of a surprise, as it was rumoured a week ago that that was exactly what they would be announcing and the short Sigma Stage briefing shows that it was all they were planning to announce today. Well, now it’s official and it’s being released this month.

They say that the new 16-28mm f/2.8 DG DN lens is a “perfect companion” to its 28-70mm f/2.8 DG DN Contemporary lens. There’s no 70-200mm to complete the trio yet, but there are rumours that it’ll be coming towards the end of the year. For now, though, let’s look at the 16-28mm f/2.8 DG DN.

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