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Don Zeck C8 Lens Cap for Canon 500mm f/4.0 USM IS Lens
Finally, a practical and effective lens cap to protect your front element from scratches, dust, rain, and other hazards. Don Zeck Lens Caps are Replacements for the sock that comes standard with many high end Canon@ and Nikon@ lenses. These socks are heavy, bulky, and difficult to install and remove. The Don Zeck Lens Cap features a collapsible handle to facilitate mounting or removal of the cap while the hood is in the shooting position. You can use the cap while the hood is in the stored position. These caps are precision machined from rugged black l/2 nchpolypropylene to exacting tolerances. The cap is held in place by six O rings

Price is $75.00
Price: $74.95