Canon EF 16-35mm f/4L IS USM EF16-35mm f/4L IS USM Instructions - Page 12

8. Filters (Sold separately) 10. Extension Tubes (Sold separately) You can attach filters to the filter mounting thread on the front of the lens. ●● To ensure dust- and water-resistant performance, attach a Canon PROTECT filter (77mm). ●● Only one filter may be attached. ●● If you need a polarizing filter, use the Canon Circular Polarizing Filter PL-C B (77 mm). ●● To adjust the polarizing filter, first remove the lens hood. 9. Close-up Lenses (Sold separately) You can attach extension tube EF12 II or EF25 II for magnified shots. The shooting distance and magnification are shown below. Focusing Distance Range (mm) Magnification (×) Close distance Long distance Close distance Long distance 16mm EF12 II 35mm 206 Incompatible 253 0.63 0.36 16mm EF25 II 35mm 200 Incompatible 216 1.12 0.80 MF mode is recommended for accurate focusing. Attaching a 500D (77mm) Close-up Lens enables close-up photography. Compatibility with Close-up Lenses is as follows. ●● Can be used at the 35mm end (magnification 0.07x - 0.28x) ●● Close-up Lens 250D cannot be attached because there is no size that fits the lens. ●● MF mode is recommended for accurate focusing. ENG-11