Canon EF70-200mm f/2.8L IS II USM Instructions Manual
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Also See for EF70-200mm f/2.8L IS II USM:
- Instructions manual (20 pages) ,
- Instruction (17 pages) ,
- Parts catalog (16 pages)
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Questions and answers
whats the use of iris switch
The Canon 70-200mm f/2.8L IS II USM lens does not have an "iris switch." However, it has an image stabilization (IS) switch that controls the lens's stabilization. On certain camera bodies like the Canon R7, when this lens is attached via an EF-RF adapter, in-body image stabilization (IBIS) is disabled, and only the lens's optical IS—controlled by the lens's IS switch—is active.
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whats the point of the iris switch ?