A very interesting Tamron tidbit has appeared on Sony Alpha Rumors – an optics diagram of a patented 200-800mm f/6.7 for Sony ...
Flare is one area where diffractive elements could have a negative effect, but by facing the diffraction gratings against each other, Canon seems ... just -0.3 EV. An 800mm lens is difficult ...
Top picks for 2025 - Discover the best lens choices for your EOS R camera for superior image quality and the latest ...
Buying the right camera, lens, accessory or software to suit your photography is really important. Our product reviews offer independent views with hands-on opinion and honest verdicts aimed to ...