Landscape Derivatives

[@ondermetu]

n-th order excellence in these video series. Taking these as a bunch of gifts :)

[@DesignOpticsFast]

Thank you very much!

[@user-cy5qg5yu6z]

Excellent series,Hope you can update more videos！！！！

[@wagnernascimento2819]

This series is amazing, would love to see more of it. I've been always curious on how a focusing system is designed for a lens to be able to used effectively at landscape and portrait distances.

[@pravin5726]

Great Videos....Thank You

[@marknicholson5508]

My pleasure!

[@joshhyyym]

Excellent series. Thanks for posting this.

[@marknicholson5508]

Thank you!

[@joaquingomez1086]

Please a video optimizing the Tessar lens