Astrophotographer jackfusco tests out the small, lightweight Sigma 12mm F1.4 DC | Contemporary lens, which opens up a new level of capability to APS-C camera users. See how the fast F1.4 aperture and excellent optics make this affordable lens the top choice for crop-sensor photographers. Link in our bio for the full article + more images. #Sigma #Sigma12mmF14Contemporary #astrophotography #photography #bigsur #mtsthelens #mtsainthelens #nightskyphotography