I agree with this comment.  As an "older" birder, I found that it was
increasingly difficult to hold 10's steady, so I purchased some 8.5's and 
have never regretted it.  You can see just as much, as long as the glass 
is just as good.

Dave Hanscom

On Tue, 14 May 2013, Jane Stein wrote:

> I'm in Miriam's camp on the 8 vs 10, but it really boils down to 
> personal preference and comfort.  One thing to consider is whether you 
> have really steady hands or not, and how heavy the binos are. With 
> lightweight binos and not so steady hands, the image with 10s can bounce 
> around way too much.
>
> Jane