A:AnswerFor video, it can shoot anywhere from 30-60 fps. For still photography, it is 3 fps (as the camera needs time to save the image onto the card). 3 fps is just OK, but for the price it is a good deal.
A:AnswerWell I would love to answer but after a year we still are wishing the camera had a better how to use in English .For 600 dollers it shouldn't be a issue.
A:AnswerYes you can use the T7 for astrophotography, its one of the most popular budget DSLRs for that purpose and would get good photos even with the 75-300mm lens.
A:AnswerI have a device I put the SD card into and put it into the computer that way, easy to transfer pics. Also I keep my SD cards after I get so many pics on or you can delete but this way I have a back up of my pics