7Artisans 15mm f4 - L-Mount heater the cage provides strap slot

the cage provides strap slot on the side for carry strap

This makes it easy for you to frame shots and accurately focus

This new focusing technology selects subjects according to movement and other factors so you always get a great action shot

each lens functions solely with the use of the X1D-50c’s electronic shutter feature

On its own

7Artisans 15mm f4 - L-Mount heater the cage provides strap slotThe 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