The Canon RF 75-300mm f/4-5.6 is designed to be lightweight and inexpensive, but it feels to me like a throwback to the last ...

The taller the column, the better the lens performance. For this review, the lens was tested on a Canon EOS 5DS R using ... lenses have special lens elements (aspheric, extra-low dispersion ...

Venus Optics has released an affordably-priced, light weight 15mm f/4.5 lens with a 0.5x magnification ratio in mounts for ...