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We outline the purpose, strategy and first results of a deep, high cadence,photometric survey of the Kepler field using the Isaac Newton Telescope on LaPalma and the MDM 1.3m Telescope on Kitt Peak. Our goal was to identify sourceslocated in the Kepler field of view which are variable on a timescale of a fewmins to 1 hour. The astrophysically most interesting sources would then havebeen candidates for observation using Kepler using 1 min sampling. Our surveycovered ~42% of the Kepler field of view and we have obtained light curves for7.1x10^5 objects in the range 13<g<20. We have discovered more than 100variable sources which have passed our two stage identification process. As aservice to the wider community, we make our data products and cleaned CCDimages available to download. We obtained Kepler data of 18 sources which wefound to be variable using our survey and we give an overview of the currentlyavailable data here. These sources include a pulsating DA white dwarf, elevendelta Sct stars which have dominant pulsation periods in the range 24 min to2.35 hrs, three contact binaries, and a cataclysmic variable (V363 Lyr). One ofthe delta Sct stars is in a contact binary.

RATS-Kepler -- a deep high cadence survey of the Kepler field