13 of 13 people found the following review helpful
Convenient but pricey,
This review is from: Nikon WT-5A Wireless Transmitter (Camera)
I bought one of these for my D4, which sometimes gets used for aerial photography - the camera mounted outside the aircraft, and photographer (me!) mounted in the cockpit. In this mode, the WT-5A is very handy and once you sort out any issues, it's actually quite reliable. Battery life is okay, and construction quality is about what you'd expect from Nikon: mostly bulletproof. Size isn't much of an issue since people using this stuff will mostly be using the camera on a tripod.
Still, I'm somewhat surprised in this day and age that Nikon wouldn't just tuck an 802.11 WiFi chip (and a GPS chip!) inside the mighty D4 and be done with it. To have GPS geotagging and wireless operation will set you back quite a healthy sum.
Other thing is that I also own one of the new D800E cameras, and was surprised the WT-5A doesn't work with it. I know I should have checked in advance, but I didn't...turns out the D800 uses the older WT-4A setup - even more cumbersome and expensive than the WT-5A. Looking for a better alternative, I stumbled across the Eye-Fi...these are essentially memory cards with built in WiFi. At least on the D800, they seem to work well, and you can get a serious memory card plus wireless for a really low price. They even have an okay iPad app - the only thing you really give up is support for Nikon's CameraControl Pro software when using the Eye-Fi.