Table 2 Data on Use with Extension Tube

EF-S17-55mm f/2.8 IS USM

Setting Focusing distance (mm) Working distance (mm) Magnification (x) Near distance Far distance Near distance Far distance Near distance Far distance EF12 II WIDE Incompatible TELE 205 334 23 153 0.45 0.23

* The EF25 II extension tube can be attached, but its use is not recommended as the working distance is extremely short.

EF85mm f/1.2L II USM

Setting Focusing distance (mm) Working distance (mm) Magnification (x) Near distance Far distance Near distance Far distance Near distance Far distance EF12 II 497 699 344 559 0.25 0.15 EF25 II 369 409 201 254 0.42 0.33