Stas, thanks for the information. I will give it a try when I next use the FB tube.

WesternGuy

Thanks for the reply and the information. It would appear then that the FB tube is of little use for landscapes and is really only for macro work - no problem - I just wish this had been made more obvious in the descriptive sales literature. Can you point me to a video that shows how to set up the t...

I am shooting with a Canon 5D IV (supported) and a 24-105L IS II lens (supported). I received my FB tube and attached it between my lens and my camera, having already downloaded the Helicon FBT software to my iPad Pro. I entered all the required data into the FBT software, with an aperture of "...