Retail price of about 275,000 yen in Japan or around $2,300 (the current EF 35mm f/1.4 model is priced at $1,470)
The release date for Japan is mid-October, 2015
2 non-spherical elements, 1 UD element, 1 BR element - BR stands for Blue Spectrum Refractive Optics) - this is an anomalous dispersion lens that has the property of greatly refracting the light in the blue sector (short wavelength region) to achieve a high level of chromatic aberration correction
The lens barrel structure has a better resistance to vibration or impact
The mount, focus ring and switches are dust and water sealed