how do these binos compare to the higher end high power binos such as swarovski , etc. ???

Tech Specs:

Shell Material:

composite 

Magnification:

15 X 

Objective Lens:

51 mm 

Exit Pupil:

3.4 mm 

Waterproof:

yes 

Eye Relief:

15 mm 

Prisms:

4 

Tripod Compatible:

yes 

Weight:

2 lb 

Recommended Use:

backpacking, routefinding, sighting, bird watching 

Manufacturer Warranty:

limited lifetime