Lars is correct, is a rigid version, whose glass is better than the collapsible (even if the basic design is the same), less prone to scratches and with better coating. Abou your question on its "capability".. well, I can tell you that mine is a bit OLDER (1.986.xxx) and I use it regularly on my M8, after 15 years or so of use on M4... if the glass is clean, it's still an excellent lens... to give an idea, the attached pic has been made with it.
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Roses6_wettra.jpg