• This is the finest lens you deserve to be released in the 40th anniversary of the SP (Superior Performance) series • The goal is to create ultra-high image quality that is the point of attention. Therefore, we thoroughly eliminate aberrations that can lead to image quality reduction. In particular, it eliminates axis chromatic aberration that makes it easy to see with large aperture lenses, and the sagittal coma flare that can lead to reduction in image quality around the screen • The Model F045 is made with the same design idea as Tamron traditional 90mm F/2.8 macro, and the front bokeh and back bokeh are intentionally beautiful. The axis chromatic aberration is thoroughly eliminated, and the front and rear bokeh is beautiful and melting • The BBAR-G2 coating used in this model minimizes ghosting and flares than ever before, allowing you to accurately capture details in backlight conditions. This technology provides an overwhelming feel and clear expression • Reliable, high-speed and precision AF that allows you to create projects in any location. It also features a full-time manual mechanism that allows you to instantly fine-tune the focus position by manually even during AF settings