Table 2 : Data on Use with Extension Tube

Table 2 : Data on Use with Extension Tube

EF50mm f/1.2L USM

Setting	Focusing distance (mm)		Working distance (mm)		Magnification (x)
Setting	Near distance	Far distance	Near distance	Far distance	Near distance	Far distance
EF12 II	246	322	125	200	0.39	0.24
EF25 II	204	218	67	81	0.67	0.53

EF70-200mm f/4L IS USM

Setting		Focusing distance (mm)		Working distance (mm)		Magnification (x)
Setting		Near distance	Far distance	Near distance	Far distance	Near distance	Far distance
EF12 II	70mm	554	627	318	401	0.23	0.17
EF12 II	200mm	1008	3467	782	3240	0.28	0.06
EF25 II	70mm	407	410	166	169	0.42	0.38
EF25 II	200mm	879	1790	638	1549	0.37	0.14