7Artisans 15mm f4 - Canon RF protective magnesium alloy chassis and a

magnesium alloy chassis and a sapphire crystal screen protector

it is being rediscovered today and reveals its breathtaking aesthetic originality and technical perfection

Continuous Iris Control Capability with Iris Ring

the lens can be used discreetly in concert halls and other situations that require low noise levels

and thoughtful details at every turn

7Artisans 15mm f4 - Canon RF protective magnesium alloy chassis and aThe 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