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Steve Spencer wrote:
I don't know if we will see such a lens, although I think it would be a great idea. Interestingly, Sigma has not made a 70-200 either f/2.8 or f/4 for the L mount yet instead leaving these lenses to Panasonic which has made both. They did make a 70-200 f/2.8 for Canon and Nikon DSLR mounts, but never made a 70-200 f/4 for any of the DSLR mounts. Given that history and that they would have to compete with the lenses from Panasonic on L mount and with the small for what it is and quite good Tamron 70-180 f/2.8 (as well as the native Sony lenses) on E mount, I can understand why Sigma doesn't see much opportunity for this type of lens.
I think they will eventually make a small (i.e., C or consumer series) 70-200 (or 70-180) f/2.8 to complete their C f/2.8 trinity, but I would expect a larger (i.e., A or Art series) 70-200 f/2.8 first. I don't know if we will ever see a 70-200 f/4 (or 70-150 f/4) from Sigma. These lenses don't seem to sell as well anymore and I am not sure why. Sony makes a 70-200 f/4 G, but I have never heard any one discuss this lens or heard of anyone who owns it. Nikon always had such a lens for their DSLRs, for example, but don't have anything like that even on their roadmap. On the bright side Canon did make a new 70-200 f/4 for their mirrorless mount and kept it under 700g and by all accounts it is a very nice lens.
By the way DG DN from Sigma just means designed for mirrorless and just DG means designed for DSLR and they just switched the mount, so it is the DN that differentiates and all lenses designed for mirrorless, i-series, art series, contemporary series, and sports series are designated as DG DN. As I understand it the I-series is just the small primes 20 f/2, 24 f/2, 24 f/3.5, 35 f/2, 45 f/2.8, 65 f/2, and 90 f/2.8. The small zooms 16-28 f/2.8 and 28-70 f/2.8 are contemporary series, and the larger zooms 14-24 f/2.8, 24-70 f/2.8 are Art series, and the 150-600 f/5.6-6.3 comes in both contemporary series and sports series. I think this naming is all a bit of a mess but Sigma has always had trouble differentiating their different lines. Looking at the contemporary series there is a gap between 70 and 150, so perhaps there is some hope Sigma might fill that gap with a 70-150 f/4, but I think it is a lot more likely to be a 70-180 (or 70-200) f/2.8 that is just designed to be as small and light as possible....Show more →
I am not sure either. I had hopes Tamron would make one in the vein of the 70-180/2.8, especially given how successful it seems to have been (I hear, but have never seen sale numbers). As more time passes, it seems they may not. I would prefer this option from Sigma over Tamron anyway (I like the overall structural rendering, colors and contrast and handling of Sigma's more generally). Canon put out their superb collapsible RF 70-200/4, and Sony put on a 70-200/4G relatively quickly with e-mount, so at least it's on maker's radar. And nearly all had one in DSLR mounts.
I wasn't sure what Sigma's branding was, but as you've outlined, that makes sense. I do like the i-series have a dedicated aperture ring. Their new 28-70/2.8 sadly does not, nor the new 16-28 DG DN, and even the 12-24 Art doesn't. I would be very happy with 70-150 or 70-180 or 70-200 as long as compact size with strong, good rendering and flare resistance are good.
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