canon 600mm f4 lens hood knob lock circlip

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    Canon 600mm F4 Mark II Lens hood Lock Knob

    During a photography trip to the Conowingo Dam in Darlington, MD, the locking unit on my Canon 600mm f4 Lens hood failed. The lock (pic below) actually fell out and into the rocks as I was trying to put on the lens hood :( Ordered parts from Canon: XD2-1100-202 - Washer, Retaining (SUS) - Qty...
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