The products are available to self-cert borrowers at 90 per cent LTV with rates starting from 6.89 per cent for a three-year fix.
The range also includes a two-year fix at 6.99 per cent and a two-year tracker at 7.19 per cent.
All are available for a limited period on a first come first served basis.
Kensington's director of sales, Keith Street, said the partnership was aiming to provide 'a really positive start' to 2008.
"We are delighted to launch these exclusive deals which prove that, even in the current environment, it is still possible to provide competitive high LTV products for customers with specialist circumstances.
"There are limited funds available for these particular products but brokers can be sure that Kensington will continue to work with its distribution partners throughout the year in finding solutions to meet their needs and those of their clients.”
Chris Smith, new business manager at Optoma, added: “Trying to find a good high LTV self-cert product in the current market is not easy so these exclusives are like an oasis in the desert.
"We are expecting high demand so brokers should move quickly to avoid disappointment as funds are limited.”
