![]() Sigma is yet to release lenses for full-frame mirrorless cameras (the Sony duo), so it is yet unclear if such optics will have a designation of their own (quite likely), or belong to either DN or DG series. DN – lenses designed for compact system cameras.DC – lenses designed for for APS-C DLSR cameras. ![]() DG – lenses compatible with full-frame sensor DSLR cameras.Sigma is one of the largest third-party lens manufacturers and, as such, designs lenses for a variety of sensor sizes: Sigma has dropped it for its new lenses, however, so we won’t be seeing any recent products that would belong to the EX lineup. EX – Sigma’s high-end lenses of old (manufacturer’s equivalent to Canon L and Nikon gold ring series), you can still find a few new and used optics with such designation.Expect these lenses to be quite pricey and also feature relatively fast maximum aperture settings. S (Sport) – as you might understand, this product line is for telephoto lenses (both zoom and fixed focal length) designed with sports and wildlife photography in mind.Some wide-angle, macro, fishey and fast-aperture zoom lenses will also belong to this category (the 18-35mm f/1.8 HSM A is a good exampl). Sigma says the Art lineup is “designed with a focus on sophisticated optical performance and abundant expressive power”. A (Art) – you will find all the fastest Sigma prime lenses to belong to this product line.The way I see it this is basically the place for Sigma’s budget zoom lenses, of which there will be many. C (Contemporary) – this product line consists mainly of variable aperture zoom lenses for general use, such as standard and telephoto zoom lenses for APS-C cameras (the Sigma 18-200mm f/3.5-6.3 OS HSM Macro C, for example).There are three categories in total and here are their descriptions: You could say they are united with a single concept. This means that all lenses in that category has a few very important features in common. The main reason why the project (which they call Global Vision) is happening, according to Sigma, is because “more and more photographers face frustrations in lens selection, as the range of products available is enormous and the differences are not always clearly defined.” So they chose not only to drastically change the design language and quality (in all senses of the word and for the better), but also place each individual lens into a specific category. Not so long ago Sigma has started completely reworking its lineup. We start off by looking at different lens categories (which Sigma calls “product lines”). Sigma Lens Category and Class Abbreviationsġ) Sigma Lens Category and Class Abbreviations.
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