The optical design consists of 9 groups of 11 lens elements, including two double-sided aspherical elements, five with anomalous partial dispersion and floating elements for optimum focusing performance. Excellent multi-coating and apochromatic color correction complete the technically sophisticated design.
- Apochromatic optical design to eliminate chromatic aberrations
- Floating Lens Elements for outstanding performance
- Exceptional imageexceptional imaging performance and resolution
- Extremely solid and high-quality construction
- 12 aperture blades with circular aperture at F2.0 / F2.8 / F5.6 / F16
- Manual focus for precise focusing
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