Tiffen 4x5.65" Clear Standard Coated Filter. This filter is used primarily to protect the front element of any lens, especially when subjecting it to blowing dirt, dust, rain, squibs and pyrotechnics. This filter is uncoated for anti-reflection. Most astute camera assistants will always have a clear filter or optical flat in their filter case.
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
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