If you have already paid $6,000 for a new Nikon D4, you are either rich enough not to care that adding Wi-Fi costs another $900, or your bank account is now so wiped out that you can’t even afford to ...

For those who can’t afford an $800 wireless transmitter for your camera but need one to quickly transmit photos from your DSLR to your computer, here’s a DIY wireless tethering solution that costs ...