Name: Canon EOS-1D Mark II Digial
Brand: Canon
Rating: 5 (1 reviews)

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The EOS-1D Mark II’s AF points are all horizontal-line sensitive.

However, bright lenses with a large maximum aperture enable certain

AF points to work as cross-type sensors for higher AF precision.

(1)

With lenses whose maximum aperture is f/2.8 or

larger, the AF points highlighted in the diagram will

work as cross-type sensors sensitive to both vertical

and horizontal lines. The remaining 38 AF points will

only be horizontal-line sensitive. The cross-type

sensor’s vertical-line sensitivity is about three times

higher than its horizontal-line sensitivity.

(2) With the following L-series lenses whose

maximum aperture is f/4 or brighter, the center

AF point will be a cross-type sensor with or

without an Extender attached. The remaining 44

AF points will only be horizontal-line sensitive

(except with EF 70-200mm f/2.8L USM +

Extender EF 1.4x).

· EF 28-80mm f/2.8-4L USM

· EF 300mm f/4L USM

· EF 300mm f/4L IS USM

· EF 400mm f/4 DO IS USM

· EF 500mm f/4L IS USM

· EF 600mm f/4L USM

· EF 600mm f/4L IS USM

· EF 70-200mm f/4 L USM

¡With Extender EF 1.4x or EF 1.4x II:

· EF 200mm f/2.8L USM

· EF 200mm f/2.8L II USM

· EF 300mm f/2.8L USM

· EF 300mm f/2.8L IS USM

· EF 400mm f/2.8L USM

· EF 400mm f/2.8L II USM

· EF 400mm f/2.8L IS USM

· EF 70-200mm f/2.8L IS USM

¡ With Extender EF 2x or EF 2x II:

· EF 135mm f/2L USM

· EF 200mm f/1.8L USM

AF Sensitivity and Lens’ Maximum Aperture

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Canon EOS-1D Mark II Digial Specifications

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