For these activities you will need a pair of good binocular and a pair of good binocular does not mean to spend lot of money. A good binocular will depend on both optical and mechanical function.

And in these both case of optical and mechanical function, the price will affect.

The optical quality will depends on these following conditions such as:

Binoculars lance

Prism

Design of the eyepieces

Size and quality of the prism and lance

Both type and coverage of the anti-reflection coating

Polishing glass elements

The mechanical quality also depends on this following condition such as:

The materials of the lance barrels are made out of

Construction of the lance barrels

Placing of the lance and the prism

Focusing mechanisms

Outside finish

Binoculars for Fishing and Hunting

For fishing purpose you need bright like 7×50 binoculars because it offers you 7.1mm exit pupil. Although it is heavy and massive so the hunters need something more compact. The best choice for the hunter will be 6×30, 7×35, 8×30, or 9×35 binoculars for using in the field and for the wood hunter 8×30 or 9×35 binocular will satisfy them.

Binoculars for Travelers

Travelers should look for something small and compressed which will easily fit in there luggage. Compact roof prism type binoculars are the best choice because it will serve well in daylight.

Look for the good brands and read reviews while buying binoculars such as Nikon, Celestron Binocular, Minolta Binoculars, Pentax. Here is Celestron Binocular reviews, you may find it useful to read before buying one. However new companies like Tasco Binocular, Bushnell Binoculars, Jason are also mentionable. So get a pair of binoculars that is perfect for your purpose and enjoy the outdoors.