Canon 70-200 f2.8L IS plus 2X iii extender

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luthy

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Noel
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Got a 2X Extender from Santa.It was a nice day yesterday so I popped out to a local pond to try it out with the 70-200 zoom.
having read reviews and watched vids and sorting advice on here I was still unsure what to expect. when strapped to my 90D.
Yes it slows the AF a little and you loose 2 stops but the results seem quite good what do you think.
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I have the RF 100-500 L lens and using it with extenders can be frustrating unless you have a lot of light!
 
So you using a 1.4 or a 2x I dont know much about R series cameras do they auto focus at all apertures. Im thinking if your using a 2x at 500mm it will be a fairly small aperture.
Do you find your IQ is still good.
 
IQ ok but needs a fair bit of noise reduction. AF slows down as well although still pretty good.
 
The mark 3 1.4 and 2.0 extenders are really good , I’ve only used them with primes though
I found the autofocus still worked well on my 7D as well as now using the R5
 
Wellsboy yeah my AF has slowed a little but still no slouch. Noise I still have to judge it was a bright day so ISO not pushed too far.
LCPete yeah the reviews Ive seen were not great on the mark i & ii but the mark iii seems to be a step up.
 
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