
A reader sent me detailed instructions on how to calibrate 7Artisans or TTArtisan lenses to your digital camera (thanks Frank Filippone):

Sigma registered a new external electronic viewfinder EVF-11 in Korea on February 4, 2021. This viewfinder could be the accessory for an upcoming camera.The 60MP Foveon Sigma X3 mirrorless camera has been delayed indefinitely, so maybe we will see another L-mount camera soon (maybe a a Sigma fp update/refresh)? Via Nokishita

There are several new lenses from the Russian LZOS factory that were announced on February 1st: MC RUBINAR 1000/10 Macro MC RUBINAR 500/8 Macro MC RUBINAR 500/5.6 Macro MC RUBINAR 300/4.5 Macro A few sample photos can be found here (from the 300/4.5 lens on a Sony a7s camera). Here is the translated press release: