Canon EOS-1D C EOS 1D X Instruction Manual - Page 76
Lenses and Usable AF Points
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Lenses and Usable AF Points Although the camera has 61 AF points, the number of usable AF points and focusing patterns will differ depending on the lens. The lenses are thereby classified into eight groups from A to H. Check which group your lens belongs to. When using a lens from groups F to H, fewer AF points will be usable. When you press the button, the AF points indicated by the mark will blink. (The / / AF points will stay lit.) "Extender EF1.4x" and "Extender EF2x" apply to all the I/II/III models. Regarding new lenses marketed after the EOS-1D X, check Canon's Web site to see which group they belong to. Some lenses may not be available in certain countries or regions. Group A Autofocusing with 61 points is possible. All of the AF area selection modes are selectable. : Dual cross-type AF point. Subject tracking is superior and the focusing precision is higher than with other AF points. : Cross-type AF point. Subject tracking is superior and highprecision focusing is achieved. : AF points sensitive to horizontal lines. EF24mm f/1.4L USM EF24mm f/1.4L II USM EF28mm f/1.8 USM EF35mm f/1.4L USM EF35mm f/2 EF50mm f/1.0L USM EF50mm f/1.2L USM EF50mm f/1.4 USM EF50mm f/1.8 EF50mm f/1.8 II EF85mm f/1.2L USM EF85mm f/1.2L II USM EF85mm f/1.8 USM EF100mm f/2 USM EF135mm f/2L USM EF135mm f/2L USM + Extender EF1.4x EF135mm f/2.8 (Softfocus) EF200mm f/1.8L USM EF200mm f/1.8L USM + Extender EF1.4x EF200mm f/2L IS USM EF200mm f/2L IS USM + Extender EF1.4x EF200mm f/2.8L USM EF200mm f/2.8L II USM EF300mm f/2.8L USM EF300mm f/2.8L IS USM EF300mm f/2.8L IS II USM EF400mm f/2.8L USM 76
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