Canon EF 70-200mm f/4L IS USM

[derekG]

Could some one please confirm if this lens will take a canon EF1.4x11 extender as one site I visited said it wont , i could do with a little more reach in the garden, thanks.

 

[Dave Canon]

I have the 1.4x Extender which I use with a 70-200mm f2.8 IS L lens. This give the equivalent of 98-280mm f4 but retains the IS and other automated functions. To the best of my knowledge, it should work with L lenses so should work with the f4. Just Googled and found a review but you could Google this or look on the Canon website. One thing that you should know is that autofocus on some Canon Cameras may be seriously deteriorated for apertures of f5.6 and above. So with my f2.8 equating to f4 focusing is still fast and accurate but a colleague at a birds in flight photo shoot had to give up with his f4/extender combination as focussing was too slow. I also recall another Club member with the f4 offering a sizeable sum of money in addition for a straight swap with my f2.8; of course I refused. To be honest the 280mm is not really long enough even for small birds in parks and gardens but I do not have anything longer at the moment.

Dave

 

[Mike.P]

Yes it will, I used to have both and it worked fine.

 

[Canon Bob]

It is indeed compatible with the EF1.4x II according to Canon's website.

 

[derekG]

Thanks for the replies, what prompted me to ask was after googling i came across this in Photography life

Canon EF 70-200mm f/4L IS USM Specifications

Lens Specifications	​
* Supplied accessories may differ depending on country or area
Lens Type	Zoom Lens
Focal Length	70-200mm
Mount Type	Canon EF
Format	Full Frame / FX
Compatible Format(s)	35mm Film / Full-Frame Digital Sensor Canon (APS-C)
Compatible with Teleconverters	No
Zoom Ratio	2.8x
Maximum Reproduction Ratio	1:4.76
Image Stabilizer (Image Stabilization)	Yes

 

[magicolor1]

Yes I have both and they work fine together.

 

[hunnymonster]

That may be because back in the (film) day some Canon bodies didn't autofocus at f/5.6 and below. Manual focus still worked...

Also depending on which version of the Canon extender you had, sometimes there is a protruding front element which won't allow the mating with a flush rear element of the target lens.

 

[philthejuggler]

It is indeed compatible with the EF1.4x II according to Canon's website.

100% - and very good quality image output too!