recommendations for lens cleaning

[Gunfleet]

Hi I have acquired a Canadian Summicron 50 which shows a small amount of haze (dirt? oil?) inside the lens. Is it possible to clean it? If so, who should I give the job to in England?

 

[Xmas]

Hi I have acquired a Canadian Summicron 50 which shows a small amount of haze (dirt? oil?) inside the lens. Is it possible to clean it? If so, who should I give the job to in England?

Drop of at Red Dot Old street London if convenient.

http://www.reddotcameras.co.uk/

 

[Gunfleet]

They're very convenient - I'm in Essex. Thanks.