You might want to read
http://boca.org.au/component/docman/doc_download/500-best-binocular-for-youwhich
has a lot of information on light gathering and the ideal ratio
according to your age!
On 8 March 2011 13:01, Michael Hunter <> wrote:
> Hi All,
>
> While on the subject of binoculars, I am wondering whether 10 x 42
> is the best magnification x lens diameter combination for gloomy forest
> conditions or other low light situations where the quarry is not more than
> about 30m away from the observer, and magnification is not the major
> requirement.
>
> Would optically equivalent (in quality) 7 x 50 give better light
> sensitivity and colour discrimination than say 10 x 42 or 10 x 50 ?
>
> Close focus distance and rapid focus also relevant, as well as
> waterproofness in rainy humid conditions if not for scuba diving.
>
> Any suggestions?
>
>
> Cheers
>
>
> Michael
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