How much memory does it take to delay shooting for 20 hours?

This depends on the definition setting of your time-lapse photography and the number of photos you need to take. The more philosophers you have, the more memory you need. Generally, it is enough for you to configure a 64g card now.

Time photography is a kind of time compression shooting technology, which is generally used to shoot urban scenery, astronomical phenomena, plant growth and other themes. If you don't know what time-lapse photography is, you can search for time-lapse photography videos to feel it.

Shooting machine

Time-lapse photography is actually a necessary way of photography, so all photographic equipment that can take pictures or videos can take time-lapse photography. Generally, in order to achieve better image effects, time-lapse photography is mainly based on SLR cameras.

Timing cable release: When shooting time-lapse photography with a SLR camera, it is necessary to take a series of photos at equal intervals, and it is impossible to completely press the shutter by hand. Many cameras have no interval shooting function and need an external timer.

Delay track: A photographic track equipped with a stepping motor and shutter controller. Through precise electronic and mechanical control, the camera moves a certain distance on the track every time it takes a photo, so as to achieve the purpose of moving shooting. Time-delay tracking is a professional time-delay shooting equipment.