udf_varbintohexstr_big
This function extends for undocumented Microsoft SQL Server system function fn_varbintohexsubstring to get a hex string for a specified VARBINARY. The Microsoft function is currently restricted for VARBINARY (8000). This function is a wrapper for this function but is able to handle VARBINARY (MAX).
Usage
SELECT dbo.udf_varbintohexstr_big(my_image_column)
FROM my_table