Clever idea! Working properly, is absolutely smooth. Power handling of X10 practicable. Watching d'bei'm up stuck: going really tight - do not twist. Look from the front and best fit the free segment between the flaps so that the notches plan be put on the case back. Not so great: The lid is unnecessary attention on the tube. Relieve any case (m) Dismantling / removal of the construct the Obketiv toward the camera body with your fingers so as not to burden the adjustment of the lens.