The iPod touch also has a 1.2-megapixel front camera that can take photos and record HD (720p) videos at up to 30 frames per second as well as show FaceTime video calls. You can use the Camera app to shoot photos and video clips with either back or front camera. Hopeful I understand your question and answer it properly thank you!!
Thanks for the reply, but my question is more specific than that: for a video recording, can I set an exposure that will remain constant until the video ends?