Digital Trends – How many times have you been taking pictures with your trusty iPhone and thought to yourself âthis camera is so great, I wish I could put some huge telephoto lenses on itâ? Like most normal people, we are assuming that you have never thought that, but on the off chance that you have, Photojojo might have just the thing for you: an SLR lenses mounting bracket for your iPhone 4, 3G or 3GS.