14 April, 2017

Sigma 24-105mm Art with the MC-11?

Zeiss Loxia 50mm - Book signing (Alison Rushby, "The Turnkey")

The Zeiss Loxia 50mm is my walking-around lens, and I love it. There are times, however, when wider or longer would be very useful.

I've thought about a bridge camera like Sony's RX10 models. The Mark III (24-600mm equivalent) has more reach than I need, but the (still available) Mark II (24-200mm equivalent) is just about right. And they use the same batteries as the A7 series cameras. But, most of that expense would be for the camera elements, and I already have a camera.

I'm wondering if a new lens might be a better choice.

The Sony/Zeiss 24-70, at f/4.0, seems overpriced to me (albeit, compact and weatherproof), and the 24-70mm, f/2.8 G-Master seems ridiculously expensive here in Australia. And, in any case, 70mm is a little short if replacing a 50mm lens.

As you've probably noticed from some posts, I've been flirting with Sigma "Art" lenses (using Sigma's MC-11 Mount Converter). The Sigmas are much less expensive and the image quality is outstanding, but there's little or no weather sealing. Sigma has been adding some mount protection to some recent models, but as the MC-11 has none, that doesn't help me.

So, let's cut to the chase:

The Sigma 24-105mm, f/4.) Art is still reasonably compact, but has the extra reach to provide more subject isolation in portraits. Its depth-of-field on a full frame (at f/4.0) would be the equal of f/1.2 on a 1" sensor camera. And, with a bit of cropping (the image above, for example, was pretty heavily cropped), I think it might serve as a reasonable alternative to a 24-200mm RX10.  The low-light performance and dynamic range of the A7 series would also be better.

And, no new camera to learn.

Much to think about.

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