tethered

I have an old iPad OS v9 circa 2016 that I would like to utilise and tether it to my Canon 90d is possible for studio work. Whilst the iPad is working ok to a point, the OS is beyond updating so don't want at this stage to buy an app if it doesn't work. Just to use it tethered to my 90d would be...

Hi guys I wonder if anyone knows and could possibly help? Taking pictures and looking back on the screen I lock the photos I like so when I take the card out, place it in my laptop and let Photo Mechanic download my selected (locked) images. Is there a way to speed workflow up a little so I...