7Artisans 15mm f4 - Canon RF Sony E John Rohrbach describes photographers’ initial

John Rohrbach describes photographers’ initial rejection of color

and you're set for tethering and editing

but offers outstanding image quality for still photography as well

while the removal of moving parts reduces wear and tear

A fluorine coating keeps the front element clean

7Artisans 15mm f4 - Canon RF Sony E John Rohrbach describes photographers’ initialThe 7Artisans 15mm f4 features excellent optical performance, designed with 2 non spherical, 3 low dispersion, and 5 high refractive index lenses. Approximate zero chromatic aberration means you no longer have to worry about star trailing in astrophotography. Sharpness is unbeatable: With a 9 group, 13 element (including 2 non spherical) lens structure, the center and edge quality of your photos will be equally outstanding The 15mm F4 ultra wide angle