Excerpt: Does what it's supposed to do. I use these on my Canon 5D Mk III and Canon 5DSR , which both allow me to use both a CF card and an SDHC card at the same time and set the camera to record to both.
Excerpt: It seems to handle video recording well. There are very few times the video will stop and this often when the card is over half full. Sometimes if am moving from my studio to home I also edit using the card with Adobe Premiere pro.