Sensor guard for using internal lens cleaning bulb blower on digital reflex camera, and method of use thereof

A cleaning apparatus for removing dust from lens surfaces inside a camera inner chamber of a camera, said cleaning apparatus comprising:

• a) a bulb blower device defining a nozzle having a main body with opposite inlet and outlet tip, said nozzle inlet diametrally larger than said nozzle main body and outlet tip so as to define a seat, a compressible resilient bulb member having an air intake port and an air outlet, and coupling means for coupling said nozzle inlet to said bulb member outlet;
• and
• b) a retention member, defining a planar annular section, for fitting over a bayonet mount ring from the camera, frusto-conical cup means sized such that said nozzle outlet tip and main body are releasably engaged therethrough but said nozzle inlet seat releasably lockingly abuts thereagainst, and omnidirectional spring loaded connector means spacedly interconnecting said annular section to said cup means, enabling said cup means to move from a first position, at rest spacedly away from a plane of said retention member planar annular section, to a second position within said plane of said retention member annular section;
• wherein said nozzle main body defines a length of such a size that said nozzle outlet tip is progressively movable towards and through and beyond and transversely across the plane of said retention member annular section against a bias of said spring loaded connector means, for enabling said nozzle outlet tip to access progressively further into the camera inner chamber yet sustaining progressively increasing spring back forces.