The Canon RF 75-300mm f/4-5.6 is only slightly more than the company's budget nifty fifty, although US pricing hasn't been ...

The Pentax version of the HP/Pentax collaboration using HP digital technology and Pentax's skills in camera design and optics. It has reflex viewing but the lens doesn't detach. There are all the ...

The taller the column, the better the lens performance. For this review, the lens was tested on a Pentax K-1 using Imatest ... by the lens being a telephoto zoom and those 9 diaphragm blades ...