what would you do

craggwildlifephotography Junior Member 11 137 1 United Kingdom
8 Nov 2013 10:40AM
Hi all

I have a canon ID MK IV which I use with a canon 300mm f2.8 lens plus extenders.

I cant make my mind up would I be better upgrading the camera to a IDX and continue as I am doing or I have the option of purchasing a used canon 500mm f4 lens and I am just undecided as to what to do...Would the IDX give a sharper image even tho cropped . than if i used a 500mm lens

Hoping you can help


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gary_d 12 576 13 Wales
8 Nov 2013 11:14AM
I have seen lots of images taken with the 300mm lens + extenders and can't imagine getting much sharper images, with the 300mm you will have a much more usable lens for hand holding than with the 500mm which I would imagine you would have to shoot on a tripod for best results.
mikehit 10 8.0k 13 United Kingdom
8 Nov 2013 11:32AM
Difficult choice - what are you shooting? Do you have to fund your decision by selling something ?

I have not used either but from many hours of tantric browsing (ogling websites but never actually buying anything) I would tend towards the 1DX for superior AF and better low light performance but this is dependent on subject. Although my gut reaction is that if for shooting wildlife reach is always better, the functionality of the 1DX would probably win for me.
craggwildlifephotography Junior Member 11 137 1 United Kingdom
8 Nov 2013 11:46AM
Hi Mike

its whether I exchange my ID MKIV for the IDX or keep the IDX MKIV and purchase the 500mm lens

This camera is only used for wildlife ..

craggwildlifephotography Junior Member 11 137 1 United Kingdom
8 Nov 2013 11:52AM
should read ID MKIV NOT IDX MKIV SORRYSadSadSadSadSad
arhb 12 3.4k 68 United Kingdom
8 Nov 2013 12:08PM
Keep the 1D mk4 and get the 500mm F4 - you'll still use a 1.4tc from what I've seen others doing.
Both awesome lenses, you'll have a lot of versatility with both Smile
8 Nov 2013 2:08PM
If you are using t/cs on the 300 most of the time and could get by without the 300, then would selling that enable you to get the mark 2 version of the 500 mm

I say this because the weight is similar to the older 300mm, and more importantly,it will perform with the new mark 3 t/cs very well indeed, and if at some stage in the future you do go full frame, there will only be an 80 mm focal length difference from your current shooting position

I have been amazed at the IQ from my 600 with the new mark 3 t/cs, and it would give you a quality 1000mm rig

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