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I have been trying to find out what the original drop-in filter for EF 600 MK II is.The manual says:"A 52(WII)-series drop-in gelatin filter holder with a glass filter is included with the lens.The Drop-In Screw-Type Filter Holder 52(WII) and Drop-In...
Sometimes after I have printed some document, the printer will print an extra page. The extra page has kind of a large arrow pattern. The extra page is not printed immediately after the document, but I will find it on the printer some time after. Thi...