① Luxurious Optical Design (APO Lens Adoption) Features a custom-made 2-element, 1-group apochromatic (APO) optical lens. Ignoring cost, this lens achieves high descriptive performance by minimizing chromatic aberration to the extreme. It boasts image quality that is superior to other lenses in the same category. ② PRO-Spec Design ・Versatile 28mm wide-angle (compatible with full-frame image circles) ・Includes 6 interchangeable aperture plates ・Precise adjustment for infinity focus ・Minimum focusing distance: Macro photography possible at just 15cm ③ PRO Experience for Enjoying Expression ・F8 / F11: Pan focus. No need to focus, perfect for comfortable street snaps. ・F4 / F5.6: Produces unique "swirling bokeh." ・F2 / F2.8: Dreamy depiction with a fantastic blue color tone.