Pentax Sensor Cleaner Category_Lens Accessories The extension tubes have no

The extension tubes have no optics

The lens’ inner focus system enables excellent resolution and contrast from full life-size magnification to infinity and the inclusion of a stepping motor makes focusing action smooth and near silent for use in both video and photo recording

A superb refinement to a true Canon classic

8 lens is ideally suited for a range of shooting techniques

so you can view your footage directly on your television in HD quality

Pentax Sensor Cleaner Category_Lens Accessories The extension tubes have noPentax Image sensor Cleaning Kit suitable for Pentax dSLR's as well as many other manufacturers dSLRs.