South Korean director Park Chan - young says new film was shot on the iPhone 4 . All rights reserved . 5 - horror film ` ` Paranmanjang '' is about a half - hour long . Park says the iPhone 's small size and light weight make it a good camera .
South Korean director Park Chan - young says new film was shot on the iPhone 4 . 5 - horror film ` ` Paranmanjang '' is about a half - hour long . Park says the iPhone 's small size and light weight make it a good camera .