Q: can the ipad lightning connector export to an sd card, and if so,  can I import the files on the sd card to my pc

http://store.apple.com/uk/product/MD822ZM/A/lightning-to-sd-card-camera-reader?f node=3a.

the above is the only way to communicate between a SD card and the iPad

BUT one way only import you cannot transfer off the iPad

This tells you how to move photos to PC

http://support.apple.com/kb/HT4083

The camera connection kit can only be used to import photo/video files from a camera, SD card or USB flash drive. You can't import other types of files. You can't export any type of files using the camera connection kit.

How to Transfer Photos from an iPad to a Computer

http://www.wikihow.com/Transfer-Photos-from-an-iPad-to-a-Computer

Importing Personal Photos and videos from your iOS device to your computer.

http://support.apple.com/kb/HT4083

There's also some apps that will transfer via wifi. Using these apps may be the easiest way of transferring your Photos and Videos to your computer and other iOS devices.

Simple Photo & Video Transfer

https://itunes.apple.com/us/app/simple-photo-video-transfer/id420821506?mt=8

Simple Transfer App

https://itunes.apple.com/us/app/simple-transfer/id411292121?mt=8

Easy Media Transfer : Useful App for Wireless Transfer

http://apps400.com/iphone-apps/easy-media-transfer-useful-app-for-wireless-trans fer.html

Photo Transfer

http://www.phototransferapp.com/

Copy Photos (& Videos) Between iOS Devices

http://tinyurl.com/cnz95bc

 Cheers, Tom

The camera connection kit can only be used to import photo/video files from a camera, SD card or USB flash drive. You can't import other types of files. You can't export any type of files using the camera connection kit.

The camera connection kit  is not compatible with the iPad mini

It has been replaced for lightning devices by 2 x adapters ,

sold separately one of which I have linked above