Excellent optics, sharp images and great in low light. Compact and light to carry. 

Test on 1DX and 700D. Works perfectly. 

A very inexpensive, high quality full-frame 28-70mm f2.8 lens. Delivers 45-112mm on APS-C cameras

Maintains a constant aperture of f2.8 across the range. Perfect for low light enviroments. Capture stunning portraits and shoot high-quality images with the Sigma DG 28-70mm f/2.8 EX Full Frame Constant Aperture Lens. This versatile zoom lens compatible with Canon EF cameras boasts a maximum aperture of f/2.8 and a focal length range of 28-70mm, perfect for capturing wide-angle landscapes, impressive portraits, and everything in between. Its autofocus and manual focus capabilities allow for precision shooting, while its lightweight plastic body with a compatible filter size of 67mm makes it easy to carry around. Ideal for professional photographers, this Sigma EX series lens comes with a Canon EF/EF-S fit, country/region of manufacture is Japan, and weighs just 595gm. With this lens, you can create beautiful images without worrying making it a must-have addition to your photography gear.