Comments on: A Seemingly Tough Either/Or Upgrade Question… https://www.birdsasart-blog.com/baa/2016/01/31/a-seemingly-tough-eitheror-upgrade-question/ The blog of bird photographer Arthur Morris Mon, 01 Feb 2016 21:31:36 +0000 hourly 1 https://wordpress.org/?v=6.8.3 By: Arthur Morris/BIRDS AS ART https://www.birdsasart-blog.com/baa/2016/01/31/a-seemingly-tough-eitheror-upgrade-question/comment-page-1/#comment-1730347 Mon, 01 Feb 2016 16:55:52 +0000 http://www.birdsasart-blog.com/?p=31282#comment-1730347 In reply to Faraaz Abdool.

Hi Faraaz, As I have said for years, the old 1-4 is not the most rugged of lenses… Time for an upgrade as the 100-400ii seems much more rugged. a

]]> By: Faraaz Abdool https://www.birdsasart-blog.com/baa/2016/01/31/a-seemingly-tough-eitheror-upgrade-question/comment-page-1/#comment-1730346 Mon, 01 Feb 2016 16:48:04 +0000 http://www.birdsasart-blog.com/?p=31282#comment-1730346 Hey Artie and friends

I’d go with the body, for a couple reasons such as
1. Improved ISO means faster shutter speed given the same lighting conditions, thus “compensating” for the improved IS in the new 100-400II.
2. The ability to AF with the 1.4x tele attached, which works fine in great light.
3. Faster AF system without the tele attached.
4. Faster frame rate.

These are all off the top of my head. I currently use the old 100-400 and the original 7D, and recently ran into a problem which is making me get balder faster. My 100-400 has stopped working beyond 250mm, i.e. it refuses to focus, let alone take a picture. It’s giving me error in lens/camera connection. A quick check online led me to believe that it’s a problem with the IS system in the lens. However it works fine with the 1.4x tele attached. Of course the only drawback is that I’m now shooting with a stop less of light and *gasp* manual focus only. Not sure if using the 7DII will help since the lens works with the 1.4x.

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