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Up to 30 second. Sometime I'll try it on a clear night with no moon and hopefully get the Milky Way in the shot. I just got this phone recently so still getting things figured out and use to . Almost like using a DSLR. Zooming in is not that great because of it being a phone camera though.

very cool about the 30 second exposure time.. i'm gonna see if i can get my iphone6+ to do an extended exposure. Have you tried a telephoto lens over the phone cam lens yet?

I have not tried a telephoto lens over the phone cam lens yet.I may get one some day.