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New Contributor
Posts: 2
Registered: ‎10-10-2020
Accepted Solution

Canon 100-400 on Canon 6d

Hi everyone,

 

 I just bought a brand new Canon 100-400 4.5-5.6 MK2. I have just put it on my Canon 6D. I am only getting F5.6 and not F4.5. Is there any setting i need to change?

 

Thank you

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Esteemed Contributor
Posts: 4,238
Registered: ‎02-17-2016

Re: Canon 100-400 on Canon 6d

you need to zoom closer.

 

4.5 is the minimum at 100 mm, while 5.6 is the minimum at 400.

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New Contributor
Posts: 2
Registered: ‎10-10-2020

Re: Canon 100-400 on Canon 6d

Thank you 

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VIP
Posts: 13,163
Registered: ‎12-07-2012

Re: Canon 100-400 on Canon 6d

Keep in mind a variable aperture lens is not its most wide open aperture 1mm below is shortest FL, 101mm in your case. It is a gradual decline for sure but a decline never-the-less.

EOS 1DX and 1D Mk IV and several lenses!
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