3 aspherical of which 1 hybrid, 3 extra low dispersion
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Korean Samyang shows the 2/12 model, with better parameters than those of renowned optics producers (like Zeiss or Fujifilm), fully able to compete with its more reputable rivals on equal terms. The Samyang 12 mm f/2.0 NCS CS of course can’t be called a flawless lens; still you can forgive a lot a trailblazer. If you take into account its very sensible price you would be hard pressed not to recommend it.