Quite interesting series of lens tests for gh4 users from a cinematography perspective.
Part 2 was just published. Part 3 will feature Oly lenses.
Part 1: Panasonic Leica glass paired with the Panasonic GH4 sensor
https://www.hurlbutvisuals.com/blog/2015/01/micro-four-thirds-lenses/
Part 2: Voigtlander paired with the Panasonic sensor
https://www.hurlbutvisuals.com/blog/2015/02/micro-43-lenses/
Part 2 was just published. Part 3 will feature Oly lenses.
Part 1: Panasonic Leica glass paired with the Panasonic GH4 sensor
https://www.hurlbutvisuals.com/blog/2015/01/micro-four-thirds-lenses/
Part 2: Voigtlander paired with the Panasonic sensor
https://www.hurlbutvisuals.com/blog/2015/02/micro-43-lenses/