extended tele conversion vs. cropping

Started Jan 4, 2013 | Questions thread
dontfret
dontfret Senior Member • Posts: 2,140
Re: Try these links

nzmacro wrote:

That's just a quick look. So he adds it to the 55-210 which does also get longer as you zoom out.

My caution is not the extending zoom, where the adapter weight is borne on the mechanical zoom mechanism   My concern is when screwing it onto the lens filter mount of an autofocus lens, that moves the front element forward and backward - the fragile motor is now moving a .4 - 1 pound weight. 

Rich
Take many pictures - a few are keepers, the rest are are lessons.

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