Hi
Please check following link, it's a demo that I made for your test, please check it and let me know about result:
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1- it can be add on your all lens logo's
2- yes, it's possible
3- yes, it's number will be modifiable too
Now between it's each shut is a random delay but if you want I can make that time to be modifiable for you to edit it exactly as you want
Regards